text:
This action might not be possible to undo. Are you sure you want to continue?
Part No. DUA0045-4AAA01 Rev. 01 Published July 2003
3Com Corporation 5500 Great America Parkway Santa Clara, California 95052-8145
Copyright © 2003, 3Com Corporation. All rights reserved. No part of this documentation may be reproduced in any form or by any means or used to make any derivative work (such as translation, transformation, or adaptation) without written permission from 3Com Corporation. 3Com Technologies reserves the right to revise this documentation and to make changes in content from time to time without obligation on the part of 3Com Technologies to provide notification of such revision or change. 3Com Corporation provides this documentation without warranty, term, or condition of any kind, either implied or expressed, including, but not limited to, the implied warranties, terms or conditions of merchantability, satisfactory quality, and fitness for a particular purpose. 3Com may make improvements or changes in the product(s) and/or the program(s) described in this documentation at any time. If there is any software on removable media described in this documentation, it is furnished under a license agreement included with the product as a separate document, in the hard copy documentation, or on the removable media in a directory file named LICENSE.TXT or !LICENSE.TXT. If you are unable to locate a copy, please contact 3Com and a copy will be provided to you. UNITED STATES GOVERNMENT LEGEND If you are a United States government agency, then this documentation and the software described herein are provided to you subject to the following: All technical data and computer software are commercial in nature and developed solely at private expense. Software is delivered as "Commercial Computer Software" as defined in DFARS 252.227-7014 (June 1995) or as a "commercial item" as defined in FAR 2.101(a) and as such is provided with only such rights as are provided in 3Com's standard commercial license for the Software. Technical data is provided with limited rights only as provided in DFAR 252.227-7015 (Nov 1995) or FAR 52.227-14 (June 1987), whichever is applicable. You agree not to remove or deface any portion of any legend provided on any licensed program or documentation contained in, or delivered to you in conjunction with, this User Guide. Unless otherwise indicated, 3Com registered trademarks are registered in the United States and may or may not be registered in other countries. 3Com, OfficeConnect and the 3Com logo are registered trademarks of 3Com Corporation. Intel and Pentium are registered trademarks of Intel Corporation. Microsoft, MS-DOS, Windows, and Windows NT are registered trademarks of Microsoft Corporation. Novell and NetWare are registered trademarks of Novell, Inc. UNIX is a registered trademark in the United States and other countries, licensed exclusively through X/Open Company, Ltd. Netscape Navigator is a registered trademark of Netscape Communications. JavaScript is a trademark of Sun Microsystems Wi-Fi and the Wi-Fi logo are trademarks of WECA (Wireless Ethernet Compatibility Alliance) IEEE and 802 are trademarks of the Institute of Electrical and Electronics Engineers, Inc. All other company and product names may be trademarks of the respective companies with which they are associated. ENVIRONMENTAL STATEMENT It is the policy of 3Com Corporation to be environmentally-friendly in all operations. To uphold our policy, we are committed to: Establishing environmental performance standards that comply with national legislation and regulations. Conserving energy, materials and natural resources in all operations. Reducing the waste generated by all operations. Ensuring that all waste conforms to recognized environmental standards. Maximizing the recyclable and reusable content of all products. Ensuring that all products can be recycled, reused and disposed of safely. Ensuring that all products are labelled according to recognized environmental standards. Improving our environmental record on a continual basis. End of Life Statement 3Com processes allow for the recovery, reclamation and safe disposal of all end-of-life electronic components. Regulated Materials Statement 3Com products do not contain any hazardous or ozone-depleting material. Environmental Statement about the Documentation The documentation for this product is printed on paper that comes from sustainable, managed forests; it is fully biodegradable and recyclable, and is completely chlorine-free. The varnish is environmentally-friendly, and the inks are vegetable-based with a low heavy-metal content.
Naming Convention 7 Conventions 8 Feedback about this User Guide Related Documentation 9 Product Registration 9
OfficeConnect Wireless 11g Access Point 12 Access Point Advantages 13 Package Contents 13 Minimum System and Component Requirements Front Panel 14 Rear Panel 16
Introduction 17 Safety Information 17 Positioning the Access Point 17 Using the Rubber Feet 18 Wall Mounting 18 Powering Up the Access Point 19 Connecting the Access Point 19
Accessing the Wizard 21 Password 26 LAN Settings 26 Wireless Settings 28 Summary 30
Navigating Through the Access Point Configuration Pages Main Menu 31 Option Tabs 32 Welcome Screen 32 Notice Board 33 Password 33 Wizard 34 LAN Settings 34 Unit Configuration 34 DHCP Clients List 38 Wireless Settings 39 Configuration 39 Encryption 41 Configuring WPA Encryption 41 Configuring WEP Encryption 42 Connection Control 44 Client List 47 Profile 48 System Tools 50 Restart 50 Configuration 50 Upgrade 51 Status and Logs 53 Status 54 Logs 54 Support and Feedback 54 31
What is Client Bridge Mode? 57 Switching to Client Bridge Mode 57 Configuring Client Bridge Mode 58 Welcome Menu 58 LAN Settings 59 Wireless Settings 59 Configuration 60 Encryption 60
Restart 63 Status and Logs 63 Support and Feedback
Basic Connection Checks 65 Browsing to the Access Point Configuration Screens 65 Forgotten Password and Reset to Factory Defaults 66 Wireless Networking 66 Alert LED 68 Recovering from Corrupted Software 68 Frequently Asked Questions 69
Running the Discovery Application 71 Windows Installation (95/98/2000/Me/NT) 71
The Internet Protocol Suite 73 Managing the Access Point over the Network 73 IP Addresses and Subnet Masks 73 How does a Device Obtain an IP Address and Subnet Mask? DHCP Addressing 75 Static Addressing 75 Auto-IP Addressing 75
Standards 78
This guide is intended for use by those responsible for installing and setting up network equipment. The PC used to configure the Access Point is referred to as the "admin computer". it assumes a basic working knowledge of LANs (Local Area Networks). If a release note is shipped with the OfficeConnect Wireless 11g Access Point and contains information that differs from the information in this guide.com Naming Convention Throughout this guide. consequently. follow the information in the release note. Most user guides and release notes are available in Adobe Acrobat Reader Portable Document Format (PDF) on the 3Com World Wide Web site: http://www.3com. the OfficeConnect Wireless 11g Access Point is referred to as the "Access Point". Category 3 and Category 5 Twisted Pair Cables are referred to as Twisted Pair Cables throughout this guide.ABOUT THIS GUIDE This guide describes how to install and configure the OfficeConnect Wireless 11g Access Point (3CRWE454G72). . 3Com recommends that during the initial configuration that this is connected to the same switch or hub as the Access Point.
Examples: From the Help menu. Information that alerts you to potential loss of data or potential damage to an application. Click OK. Table 2 Text Conventions Convention The words "enter" and "type" Keyboard key names Description When you see the word "enter" in this guide. Denote a new term at the place where it is defined in the text. Do not press Return or Enter when an instruction simply says "type. Identify menu names. and software button names. Table 1 Notice Icons Icon Notice Type Information note Caution Warning Description Information that describes important features or instructions. and then press Return or Enter. you must type something. Information that alerts you to potential personal injury. select Contents. or device. Example: Press Ctrl+Alt+Del Italics are used to: ■ ■ Words in italics Emphasize a point. system.8 ABOUT THIS GUIDE Conventions Table 1 and Table 2 list conventions that are used throughout this guide. Please e-mail comments about this document to 3Com at: pddtechpubs_comments@3com. the key names are linked with a plus sign (+).com Please include the following information when commenting: ■ ■ ■ Document title Document part number (on the title page) Page number (if appropriate) . They will help make our documentation more useful to you." If you must press two or more keys simultaneously. ■ Feedback about this User Guide Your suggestions are very important to us. menu commands.
com/register/ Product Registration . For information about contacting Technical Support.Conventions 9 Example: ■ ■ ■ OfficeConnect Wireless 11g Access Point User Guide Part Number DUA0045-4AAA01 Page 24 Do not use this e-mail address for technical support questions. Related Documentation In addition to this guide. You can now register your Access Point on the 3Com web site and receive up-to-date information on your product: http://www. each Access Point document set includes one Installation Guide.3com. This guide contains the instructions you need to install and configure your Access Point. please refer to the Support and Safety Information sheet.
Now. only large businesses could afford the networking advantage. the same power. flexibility. you can harness the benefits of wireless networking. In the modern business environment. and protection that has been available only to large corporations. until recently. bringing networks to the small office.1 INTRODUCING THE ACCESS POINT Welcome to the world of networking with 3Com®. The OfficeConnect® product range from 3Com has changed all this. The products that compose the OfficeConnect range give you. Computer networks have proved to be one of the fastest modes of communication but. the small office user. . communication and sharing information is crucial.
available to dozens of wireless clients. such as printers. Because the Access Point is a WI-FI certified device.12 CHAPTER 1: INTRODUCING THE ACCESS POINT OfficeConnect Wireless 11g Access Point The OfficeConnect Wireless 11g Access Point is designed to provide a cost-effective means of connecting wired and wireless networks. Figure 1 Example Network Computer Power Adapter Hub / Switch 3Com Wireless 11g Access Point Wireless User Wireless User . A single Access Point makes the Internet. you can be sure it will work reliably with certified equipment from other manufacturers. e-mail and network resources.
Web-based setup and configuration Provides centralization of all network address settings (DHCP) Shares network resources between both wired and wireless computers Operates as either: ■ ■ ■ ■ ■ an Access Point (providing networking for wireless clients) a Client Bridge (providing access to a wireless network for a single client) ■ ■ Support for Wireless Equivalent Privacy (WEP) and Wi-Fi Protected Access® (WPA) encryption methods. Unix and Macintosh computers Easy-to-use.Access Point Advantages 13 Access Point Advantages The advantages of the Access Point include: ■ Cross-platform operation for compatibility with Windows. please contact your retailer. . Package Contents The Access Point kit includes the following items: ■ ■ ■ ■ ■ One OfficeConnect Wireless 11g Access Point One power adapter for use with the Access Point Four rubber feet One Ethernet cable One CD-ROM containing the Access Point Discovery program and this User Guide Installation Guide One Support and Safety Information Sheet One Warranty Flyer ■ ■ ■ If any of these items are missing or damaged.
. Refer to Chapter 6 "Troubleshooting". or there is a problem. nothing is connected. The port will automatically adjust to the correct speed and duplex.Front Panel 15 In each of these cases. Flashing slowly . data is being transmitted or received. If the LED is off. Refer to Chapter 6 "Troubleshooting". Continuously on . If the LED is flashing.A fault has been detected with your Access Point during the start-up process. 2 Power LED Green Indicates that the Access Point is powered on. If the LED is flashing. the connected device is switched off. 4 Wireless LAN (WLAN) Status LED Yellow If the LED is on it indicates that wireless networking is enabled.The Access Point has completed the Reset to Factory Defaults process. or there is a problem with the connection (refer to Chapter 6 "Troubleshooting"). the Wireless LAN has been disabled in the Access Point. wait until the Access Point has completed the current operation and the alert LED is Off. and is waiting for you to release the reset button. 3 LAN Status LED Green (100Mbps link) / yellow (10Mbps link) If the LED is on. the link is OK and data is being transmitted or received. The Access Point will then enter the start-up sequence and resume normal operation. If you have used the reset button to reset the unit to Factory Defaults. follow steps 5 to 6 in "Forgotten Password and Reset to Factory Defaults" on page 66. If the LED is off. the link between the port and the next piece of network equipment is OK.
a reset button. Do not use any other adapter. 9 Reset Button This button allows you to reset the unit to factory defaults. 6 Power Adapter Socket Only use the power adapter supplied with this Access Point.Rear Panel 6 5 7 8 9 5 OK Ethernet RESET 5 Wireless Antennae The antennae on the product should be placed in a 'V' position when initially installed. The port will automatically adjust to the correct speed and duplex. CAUTION: Do not force the antennae round further than 90 degrees in either direction. 8 Ethernet Port Use the supplied patch cable to connect the Access Point to the LAN.16 CHAPTER 1: INTRODUCING THE ACCESS POINT Rear Panel The rear panel (Figure 3) of the Access Point contains one LAN port. a power adapter OK LED and a power adapter socket. Figure 3 Access Point . there may be a problem with the power adapter or adapter cable. If the LED is off. 7 Power Adapter OK LED Green Indicates that the power adapter is supplying Power to the Access Point. .
allowing wider coverage. ■ ■ . is centrally located to the wireless computers that will connect to the Access Point.2 Introduction HARDWARE INSTALLATION This chapter will guide you through a basic installation of the Access Point. including: ■ ■ Connecting the Access Point to your network. if necessary. AVERTISSEMENT: Veuillez lire attentivement la section "Consignes importantes de sécurité" avant de mettre en route. Positioning the Access Point You should place the Access Point in a location that: ■ allows convenient connection to the computer or other ethernet device that will be connected to the LAN port on the rear panel. bevor Sie das Gerät einschalten. A suitable location might be on top of a high shelf or similar furniture to optimize wireless connections to computers in both horizontal and vertical directions. Safety Information WARNING: Please read the "Safety Information" section in Appendix D before you start. allows easy viewing of the front panel LED indicator lights. and access to the rear panel connectors. Setting up your computers for networking with the Access Point. VORSICHT: Bitte lesen Sie den Abschnitt "Wichtige Sicherheitshinweise" sorgfältig durch.
12 in. and sources of electrical noise such as radios. Cabling is away from power lines. When wall mounting the unit. To do this: 1 Ensure that the wall you use is smooth.) apart. ensure that it is within reach of the power outlet.9 in. ■ ■ Using the Rubber Feet Use the four self-adhesive rubber feet to prevent your Access Point from moving around on your desk or when stacking with other flat top OfficeConnect units. Wall Mounting There are two slots on the underside of the Access Point that can be used for wall mounting. When in line. dry and sturdy and make two screw holes which are 150 mm (5. CAUTION: Only wall mount single units. flat.18 CHAPTER 2: HARDWARE INSTALLATION When positioning your Access Point. gently push the unit on to the wall and move it downwards to secure. Water or moisture cannot enter the case of the unit. ensure: ■ ■ It is out of direct sunlight and away from sources of heat. . 2 Fix the screws into the wall.) clear of the wall surface. 3 Remove any connections to the unit and locate it over the screw heads.) clearance. transmitters and broadband amplifiers. You will need two suitable screws to wall mount the unit. fluorescent lighting fixtures. do not wall mount stacked units. 3Com recommends you provide a minimum of 25 mm (1 in. Only stick the feet to the marked areas at each corner of the underside of your Access Point. Air flow around the unit and through the vents in the side of the case is not restricted. leaving their heads 3 mm (0.
Check that the LAN status LED lights on the Access Point. 2 Plug the power adapter into a standard electrical wall socket. Connecting the Access Point The first step for installing your Access Point is to physically connect it to a switch or hub. Figure 4 Connecting the Access Point Hub / Switch 3CRWE4 1196 WLAN LAN Status OfficeC onn ect 11M bps Wir eless Access Poin t Wireless users t Aler OfficeConnect Wireless Access Point To use your Access Point to connect to the wireless LAN to the wired LAN: 1 Insert one end of the supplied Ethernet (RJ-45 Category 5) cable into the LAN port on the rear panel of the Access Point. See Figure 4. You have now completed the hardware installation of your Access Point. . Next you need to set up your computers so that they connect to the Access Point.Powering Up the Access Point 19 Powering Up the Access Point To power up the Access Point: 1 Plug the power adapter into the power adapter socket located on the back panel of the Access Point. 2 Insert the other end of the cable into the RJ-45 port on switch or hub.
select Discovery. Refer to Chapter 2 for details on how to do this. your wireless NIC should be set as follows: ■ ■ Encryption — none Service Area Name/SSID — 3Com The Access Point setup program is Web-based. note that you may lose contact with the Access Point if you change the wireless configuration. you may configure the Access Point from a wireless admin computer but. 2 Insert the Access Point CD-ROM in the CD-ROM drive on your computer. . However. To communicate with the Access Point. A menu will appear. Discovery will find the Access Point even if it is unconfigured or misconfigured.3 Accessing the Wizard RUNNING THE SETUP WIZARD 3Com recommends that you perform the initial Access Point configuration from a computer that is directly connected to the LAN port and not from a wireless connection. To use the Setup Wizard: 1 Ensure that you have at least one computer connected to the Access Point. Internet Explorer or Mozilla). which means that it is accessed through your Web browser (Netscape Navigator.
select the NIC from which the Access Point will be discovered. If the discovery application finds multiple Access Points compare the serial number on the Discovered Devices Screen with the serial number on the base of your Access Point. Highlight the Wireless 11g Access Point by clicking on it. . Then click on Next and wait until the application discovers the Access Points connected to your LAN. Figure 6 Discovered Access Point Screen 4 Figure 6 shows an example Discovered Devices screen.22 CHAPTER 3: RUNNING THE SETUP WIZARD Figure 5 Discovery Welcome Screen 3 When the Welcome screen is displayed. and press Next.
Figure 8 Access Point Login Screen . 6 To log in. enter the password (the default setting is admin) in the System Password field and click Log in (Figure 8).Accessing the Wizard 23 Figure 7 Discovery Finish Screen 5 Click on Finish to launch a web browser and display the login page for the Access Point as shown in Figure 8.
Select Client Bridge Mode if the Access Point is to be used to provide access to a wireless network for a single client. See Chapter 5 for configuration information.24 CHAPTER 3: RUNNING THE SETUP WIZARD 7 If the password is correct. (Figure 9) a Select the country in which the Access Point is to operate. Select the Wizard tab and click Wizard. See Chapter 4 for configuration information. the Country & Mode Selection screen appears. or . Figure 9 Country Selection Screen 8 When you have logged in and selected a country and operating mode either: ■ The Welcome screen will appear (Figure 10). ■ The Country & Mode Selection screen is only displayed on initial configuration of the Access Point. b Select the wireless mode for the Access point: ■ Select Access Point (default) if the Access Point is to be used to provide networking for wireless clients.
9 Click Next. Figure 10 Welcome Screen Figure 11 Wizard Screen .Accessing the Wizard 25 ■ If your Access Point has not been configured before. 10 You will be guided step by step through a basic setup procedure. the Wizard will launch automatically (refer to Figure 11).
admin. 1. then a new password in both the New Password and Confirm Password boxes. . 3Com recommends entering a new password when setting up the Access Point for the first time. LAN Settings Figure 13 LAN Settings Screen This screen determines how the Access Point obtains its IP address. so that you can change your settings in the future. 2. Write the new password down and keep it in a safe place. There are three options.26 CHAPTER 3: RUNNING THE SETUP WIZARD Password Figure 12 Change Administration Password Screen When the Change Administration Password screen (Figure 12) appears. type the Old Password. Password is case sensitive. Click Next. The Access Point is shipped from the factory with a default password.
Specify an IP address manually . The screen shown in Figure 15 opens. This screen displays a suggested LAN IP address and subnet mask of the Access Point.Accessing the Wizard 27 Obtain IP Address automatically .The Access Point contains a Dynamic Host Configuration (DHCP) server that can automatically configure the TCP/IP settings of every computer on your network. To activate the DHCP Server option. Figure 14 LAN IP Address Screen Specify an IP address manually and enable DHCP server .The Access Point will obtain an IP address from a DHCP server already operating on your network.Select this option to manually configure the IP address of the Access Point. It also allows you to change the IP address and subnet mask. 3Com recommends that you manually assign your Access Point a static IP address. . select Specify an IP Address manually and Enable DHCP server. The screen shown in Figure 14 is displayed.
The largest available continuous IP pool will be automatically entered. ensure that there are no other DHCP servers running on your network. It also allows you to change these settings. if this is not appropriate. Before enabling the DHCP Server.28 CHAPTER 3: RUNNING THE SETUP WIZARD Figure 15 DHCP Server Setup Screen This screen displays a suggested LAN IP address and subnet mask of the Access Point. There are a maximum of 14 channels. make your required changes. It also allows you to change the IP address and subnet mask. Two further fields are available for you to enter the Start address of an address pool and an End address. . Wireless Settings Figure 16 Wireless Configuration Screen This screen displays the current Channel and Service Area Name.
Up to 32 (case sensitive) characters can be entered for the Service Area Name. The Service Area Name default for 3Com products is "3Com". If your clients use a different Service Area Name then they will not be able to communicate with the Access Point. For information on improving your Wireless network security see "Wireless Settings" on page 39. You should however make a note of the channel you select as this may be useful if you experience problems with your clients. The choice of channel is less important as Clients will generally search all of the available channels.Accessing the Wizard 29 the number available to you is dependent on the country in which you reside. This is why 3Com strongly recommends that you configure the Access Point from a wired computer. It is very important that you set up your wireless clients to use the same Service Area Name or SSID as the one you use on this screen. 1 Select a channel for the Access Point to use or Clear Channel Select if you want the Access Point to choose an unused channel on start-up. If you are configuring the Access Point from a wireless computer any changes you make to the wireless configuration will result in communication between the Access Point and your computer being lost. 2 Enter a Service Area Name/SSID. 3Com strongly recommends that you change the SSID to something other than the default. .
See Chapter 4 for a detailed description of the Access Point configuration screens. . you may need to reconfigure the computer you are using in order to make contact with the Access Point again. Your Access Point is now configured and ready for use. a configuration summary will display. If you have made changes to the LAN Settings or wireless configuration options.30 CHAPTER 3: RUNNING THE SETUP WIZARD Summary Figure 17 Configuration Summary Screen When you complete the Setup Wizard. See Chapter 5 for a detailed description of the Client Bridge Mode configuration screens. Verify the configuration information of the Access Point and then click Finish to save your settings. 3Com recommends that you print this page for your records.
and display the DHCP client list. that page will appear in the main part of the screen. Support . for example http://192. and launch the Wizard LAN Settings . and provides facilities for improving the security of the wireless network. The URL is http://<IP Address of the Access Point>.4 Navigating Through the Access Point Configuration Pages ACCESS POINT CONFIGURATION This chapter describes all the screens available through the Access Point configuration pages.168. browse to the Access Point by entering the URL in the location bar of your browser.1. If your Access Point is set up in Client Bridge Mode. Main Menu At the left side of all screens is a main menu.displays the current status and activity logs of the Access Point.enables /disables access from wireless computers. System Tools . setup DHCP server parameters. To get to the configuration pages. and is provided as a reference.displays the firmware version of the Access Point. Wireless Settings . see Chapter 5 to configure your Access Point. When you click on a topic from the main menu.contains a comprehensive online help system ■ ■ ■ ■ ■ . allows you to change your password. as shown in Figure 18 on page 32. Status and Logs .allows the administrator to perform maintenance activities on the Access Point. ■ Welcome . When you have browsed to the Access Point.allows you to configure IP address and subnet mask information. log in using your system password (default admin).1.
a Help button is available which provides access to the context-sensitive online help system. . Getting Help On every screen. simply click on the required tab. Click Help for further assistance and guidance relating to the current screen. Welcome Screen Figure 18 Access Point Welcome Screen The Welcome section allows you to view the Notice board and to change your Password. To access a sub-section.32 CHAPTER 4: ACCESS POINT CONFIGURATION Option Tabs Each corresponding menu page may also provide sub-sections which are accessed through the use of tabs (see Figure 18 for example). (See "Accessing the Wizard" on page 21 for details). You can also gain access to the Configuration Wizard.
Password Figure 20 Password Screen Changing the Administration Password You can change the password to prevent unauthorized access to the Administration System.Welcome Screen 33 Notice Board Figure 19 Notice Board Screen The Notice Board is used to display configuration warning messages. To do this: 1 Enter the current password in the Old Password field 2 Enter the new password in the New Password field 3 Enter the new password again in the Confirm Password field 4 Click Apply to save the new password .
. . See "Forgotten Password and Reset to Factory Defaults" on page 66 Wizard Figure 21 Wizard Screen Click WIZARD. LAN Settings Unit Configuration The LAN Settings menu provides the following options: The LAN Settings screen is used to determine how the LAN IP address of your Access Point is obtained. It can be obtained automatically or you can manually configure the IP address and optionally configure the DHCP server. If you have forgotten your password you need to reset the Access Point.34 CHAPTER 4: ACCESS POINT CONFIGURATION The password is case sensitive. Refer to Chapter 3 for information on how to run the wizard. to launch the configuration wizard..
254.LAN Settings 35 Figure 22 Unit Configuration Screen Dynamic IP Address 3Com recommends that you manually assign your Access Point a static IP address. Select Dynamic IP Address (automatically allocated) and the screen shown in Figure 22 is displayed. . Check all your settings and click Apply.xxx range. If the Access Point is set to obtain an IP address automatically and is unable to contact a DHCP server then it will allocate itself an address in the 169.xxx.
The screen shown in Figure 23 is displayed. ensure that there are no other DHCP servers running on your network. Before enabling the DHCP Server. The default static IP address of the Access Point is 192. DHCP Server The DHCP server will give out addresses to both wired and wireless clients. See "DHCP Server" for more information about configuring the DHCP server. and then click Apply. .1. click in the Enable check box. 4 Check all of your settings. 1 Select Unit Configuration and then select Static IP Address (to be specified manually).168.1.36 CHAPTER 4: ACCESS POINT CONFIGURATION Manually setting the IP address 3Com recommends that you assign your Access Point a static IP address. Figure 23 Unit Configuration Screen For Static IP Address 2 Enter the Access Point IP Address and Subnet Mask in the LAN Settings field. 3 If you want to use the Access Point as a DHCP Server.
. The screen shown in Figure 24 is displayed. Alternatively you can manually enter Start and End addresses for the IP address pool. 5 Check your settings and click Apply. Figure 24 DHCP Server Configuration Screen 3 Clicking Auto Range automatically selects the largest range of addresses available for your network. The screen shown in Figure 23 is displayed. 2 Enter the IP address details as described in "Manually setting the IP address" and click Enable against The Access Point acts as a DHCP Server. 4 Enter any Default Gateway and DNS (Domain Name Server) addresses if required.LAN Settings 37 If you want the Access Point to function as a DHCP server on your network. carry out the following: 1 Select Unit Configuration and then select Static IP Address (to be specified manually). The DHCP server supports up to a maximum of 253 addresses.
Fix — This box is checked if the IP address is fixed to the MAC address of the client's network card. Client Type — Whether the client is connected to the access point by wired or wireless connection. using the Release button would allow the 12 hour lease time to be cleared. . Host Name — The client machine's host name. If a PC has been switched off. The list is only created when the Access Point is set up as a DHCP server. The Release button allows the lease time for the IP address that has been issued to a device to be cleared. The IP address would then be available for another device if there were no other IP addresses available. The lease time is set at 12 hours.38 CHAPTER 4: ACCESS POINT CONFIGURATION DHCP Clients List Figure 25 DHCP Clients List Screen The DHCP Clients List provides details on the devices that are connected to the LAN. MAC Address — The Media Access Control (MAC) address of the client's network card. ■ ■ ■ ■ As you connect more devices. For each device that is connected to the LAN the following information is displayed: ■ IP address — The Internet Protocol (IP) address issued to the client machine. Clients that have fixed addresses will get the same IP address each time they connect. the client list will grow to a maximum number of 253 clients. if configured.
you should select a different channel number. Usually the Wireless computers will scan to find the correct channel. there will be a reduction in the performance of your network. no wireless PCs can gain access to your Wired or Wireless LAN through this Access Point. 3Com recommends that you: 1.see page 44 Configuration Figure 26 Configuration Screen Enable Wireless Networking Allows you to enable/disable the wireless section of your LAN. Enable Connection Control . but if they don't you must configure them to use the same channel number as the Access Point.see page 41 3. Channel Selection The Channel Selector allows you to specify which channel the Access Point will transmit and receive on. Change the SSID from its default value . If another Access Point nearby is using the same channel as you. When disabled. If this seems to be the case. Enable Encryption .Wireless Settings 39 Wireless Settings To improve the security of your wireless network.see page 40 2. .
Ensure that the PC is included in the authorized Wireless PCs list if Connection Control is enabled. 3Com recommends that you install your wireless network with this feature disabled and then enable it once you have set up the Access Point and wireless clients. Have the same Service Area Name as the Access Point. you must: ■ ■ ■ ■ Use Infrastructure Mode not Adhoc Mode. See page 44. The Service Area Name may also be referred to as "ESSID" depending on your networking vendor. Disable Broadcast SSID This feature can be used to improve the security of your wireless network. When the tickbox is checked. By default the Access Point uses the name "3Com". Your Wireless computers must be configured with exactly the same name or you will not be able to establish a connection. . Clear Channel Select allows the Access Point to automatically select an available channel when first powered on. See "Channels" on page 97 for a list of channels approved by each country. the Access Point will not allow access to clients with the SSID field set to "any".40 CHAPTER 4: ACCESS POINT CONFIGURATION Valid channels are country dependent. If you set the Access Point to Disable Broadcast SSID. In order that your wireless computers can connect to the Access Point. the Access Point will not broadcast the Service Area Name/SSID of your wireless network. 3Com recommends that you change the default name. your client will not list the Access Point SSID when this feature is enabled. If you have a wireless client that can detect all the available SSIDs in your area. This will prevent unauthorized clients from detecting your SSID and attempting to connect to your network. Use the same encryption type and keys as the Access Point. The field will accept any alphanumeric string and has a maximum length of 32 characters. Service Area Name/SSID This allows you to name your Wireless network.
For example. WEP — Wireless Equivalent Privacy (WEP) is a 64 bit or 128 bit encryption method with user configurable fixed keys. If you enable encryption on the Access Point. making it more difficult to eavesdrop on wireless networks encrypted using WPA. The pre-shared key can be entered as a 256 bit series of hexadecimal digits or as a pass-phrase. This option is useful if you have several Access Point units and want to be able to easily identify them. This will simplify setting up your network. ■ WPA provides a higher level of security. 3Com recommends that you use WPA with any clients which support it. anyone with a Wireless PC can eavesdrop on your network. . provided by its longer key and dynamic changes made to the key over time. than those encrypted using WEP. The Access Point supports two types of encryption: ■ WPA — Wi-FI Protected Access (WPA) is a 256 bit encryption method with keys that change over time.Wireless Settings 41 Access Point Name This option allows you to name the Access Point. 3Com recommends that you get the network working with encryption disabled first and then enable it as the last step. Configuring WPA Encryption The only configuration that is needed for WPA is to enter the pre-shared key. The encryption methods used by the Access Point secure data transmitted through wireless communications between the Access Point and its wireless clients. a new key is agreed. you must reconfigure your wireless PCs to use exactly the same Encryption Type and Keys otherwise the devices will not understand each other. you may name them Marketing. Admin. Encryption When setting up wireless networks. Enabling encryption has no security effect on data transmitted through wired (Ethernet) connections or through your connections to the Internet. The field accepts any alphanumeric string upto a maximum of 32 characters. During this dialog. it is important to remember that with encryption disabled. This key is used to start the dialog between the Access Point and the client. Research.
. 128 bit will result in a higher level of security. This passphrase will be used to generate a 256 bit key. Each field can contain a hexadecimal number from 00 to ff. 2 Enter a phrase of between 8 and 63 characters in length in the Passphrase field. Use the Wireless Encryption Type box to select the desired level.Manual Pre-shared Key from the WPA Encryption Type drop-down box. 3 Click Apply to generate the key. 64 bit (sometimes referred to as 40 bit) and 128 bit. 3 Click Apply to generate the key. for example 1a. Configuring WEP Encryption There are two levels of WEP encryption available. To enter the pre-shared key as a pass-phrase: 1 Select Enabled . 2 Enter a pair of hexadecimal digits in each of the 32 Key fields.42 CHAPTER 4: ACCESS POINT CONFIGURATION Figure 27 Encryption Keys Screen showing WPA configuration To enter the pre-shared key as hexadecimal digits: 1 Select Enabled .Pre-Shared Passphrase from the WPA Encryption Type drop-down box. but may cause a slight decrease in performance.
This method is supported by some adapter cards running under Windows XP. The Access Point also offers a number of methods for converting plain text into hex keys. Enter a two digit hexadecimal number in every box. Virtually all manufacturers support this scheme. A-F) number used to encrypt and decrypt the data. Hexadecimal numbers are formed from 0-9 and A-F.This method is supported by 3Com Wireless products. The string can contain any alphanumeric characters and must be between 6 and 30 characters long. The text is much easier to remember than hex keys but it relies on your wireless adapters also supporting this feature. The string must be exactly 5 characters for 64 bit ■ ■ .Wireless Settings 43 Encryption Keys Figure 28 Encryption Keys Screen showing WEP configuration A Key is a hexadecimal (0-9. Different manufacturers have developed different ways of converting plain text and so interoperability is not guaranteed. 3Com Encryption String . There can be up to 4 keys and each key can be as long as 26 digits. the Manual Hex Key method is supported by most vendors.This method allows you to manually enter hex keys. There are four methods available to generate the encryption keys: ■ Manual Key Entry . ASCII . A single string will automatically generate 4 unique keys for 64 or 128 bit WEP. If you are experiencing difficulty.
in 128 bit WEP. You can change the selected key periodically to increase the security of your network.44 CHAPTER 4: ACCESS POINT CONFIGURATION WEP and 13 characters for 128 bit WEP. this method only generates 1 key which is replicated for all 4 keys. Connection Control This screen allows you to determine if all Wireless PCs or just authorised Wireless PCs can use the Access Point. If you have other wireless products choose the scheme that is compatible with these. However. If you encounter any difficulty when you enable WEP ensure that you check that each key on your wireless computer is exactly the same as each key on your Access Point. Select from the drop down list the key generation method you wish to use. You must enter a separate string for each of the 4 Keys. Select Connection Control to display the screen shown in Figure 29. ■ Passphrase . In other words. the passphrase will generate 4 different keys. Some wireless adapters have only one key available on their WEP configuration page. . then enter the appropriate information. Key number 1 on the Wireless computer must have the same Hex number as Key number 1 on the Access Point. Key 2 on the Wireless computer must match Key 2 on the Access Point and so on. In 64 bit WEP. The Active Transmit Key selects which of the 4 Keys the Access Point uses when it transmits. If this is the case ensure it is the same as Key 1 on the Access Point and that it is selected as the active transmit key. You can leave a string blank provided this Key is not selected as the Active Transmit Key.This is another common method and similar to the 3Com Encryption string. The passphrase can be up to 31 characters long and may contain any alphanumeric characters.
If you enable this feature from a Wireless PC. By default. channel and encryption settings as the Access Point can connect to it. any wireless computer that has the same Service Area Name/SSID. it will automatically be added to the Authorised Wireless PC list. Select Only Authorised Wireless PCs can connect to the Access Point to enable and configure this feature. Authorised Wireless PCs Figure 30 Connection Control Detail Screen .Wireless Settings 45 Figure 29 Connection Control Screen A higher level of security can be achieved for your wireless network if you use both encryption and you specify only certain wireless computers can connect to the Access Point.
You may also add the entries manually if you know the MAC address. and have the same Service Area Name/SSID. . The screen shown in Figure 30 opens. Deleting a MAC Address The connection rights for a Wireless PC listed in the table can be removed by pressing Delete for that entry in the table. 3 Press Apply to accept the changes. currently operating. 3 Click Add. To select multiple MAC addresses. 2 Modify the MAC address in the pop-up window. 2 Select one or more MAC addresses of the Wireless PCs that you want to allow to connect to the Access Point. You will find this screen easier to use if you set up and make a note of all of your wireless PCs on your network first. hold down the Ctrl key while clicking on the addresses. enter the MAC address in the appropriate fields. Please wait 30 seconds for changes to take effect. channel and encryption settings as the Access Point.46 CHAPTER 4: ACCESS POINT CONFIGURATION To create a list of Wireless computers that can access the Access Point: 1 Press New. Figure 31 MAC Address Table Click Close to discard all changes. The MAC address can only be edited manually. The list on the Connection Control window contains the MAC addresses of all Wireless PCs that are in range. Modifying a MAC Address 1 Click on the MAC address to be modified in the table (Figure 31). and 'A-F'. To add a MAC address that is not in the list. Once an entry has been deleted it cannot be undone. Valid characters are '0-9'. A MAC address consists of 12 characters.
.Wireless Settings 47 Client List Figure 32 Client List Screen The Wireless Client List provides details on the devices that are connected to the Wireless LAN. For each device that is connected to the Wireless LAN the following information is displayed: ■ MAC Address — The Media Access Control (MAC) address of the client's wireless network card. ■ ■ As you connect more devices to the Wireless LAN. The list is only created when Wireless Networking is enabled. Connection Speed — The actual speed of the wireless connection. the client list will grow to a maximum of 128 (the maximum number of wireless devices that the Access Point can support). The speed depends on the specification of the wireless network card. the distance from the Access Point and any items obstructing and interfering with the signal. Client Type — The specification of the client's wireless network card.
■ Profile Name This is used to identify the profile once it has been imported into the Wireless Network Adapter configuration software. Saving a Profile To set up a profile (once the Service Area Name/SSID and Encryption settings have been configured in the Access Point): 1 Enter a Profile Name (up to 25 alphanumeric characters) and then click Save Profile. The Access Point can generate a profile so that you do not need to configure your Wireless PCs manually. Once the profile has been saved it can be copied on to another PC and imported into the 3Com Wireless Network Adapter. 2 Your browser will then prompt you to enter a file name and folder location in which to save the profile. .48 CHAPTER 4: ACCESS POINT CONFIGURATION Profile Figure 33 Profile Screen Some 3Com Wireless Network Adapters allow you to import Wireless configurations via a 'profile'. The profile contains three items as follows: ■ Service Area Name/SSID of the Access Point This is configured on the Configuration tab under the Wireless Settings option. ■ Encryption settings from the Access Point This is configured on the Encryption tab under the Wireless Settings option.
. the Wireless Network Adapter cannot connect to the Access Point.Wireless Settings 49 For instructions on how to import a profile. once the profile is imported. If. the MAC address of the Wireless Network Adapter must be included in the list of authorised Wireless PCs. refer to the User Guide that accompanies your 3Com Wireless Network Adapter(s). check that: ■ the adapter is within range of the Access Point if Connection Control has been enabled in the Access Point.
and Upgrade (Figure 34). No configuration information will be lost but the log files will be erased.50 CHAPTER 4: ACCESS POINT CONFIGURATION System Tools The main frame of the System Tools screen includes three administration items: Restart. Configuration. Restart Figure 34 Restart Screen If your Access Point is not operating correctly. Any network users who are currently connected to the Access Point will have their access interrupted whilst the restart takes place. simulating the effect of power cycling the unit. you can choose to restart the Access Point by selecting Restart the Access Point. Configuration Figure 35 Configuration Screen . and they may need to reboot their computers when the restart has completed and the Access Point is operational again.
You will lose all your configuration changes. You may need to reconfigure and restart your computer to re-establish communication with the Access Point. Resetting the Access Point to its Factory default settings is the only way to switch between Access Point and Client Bridge modes. Upgrade Figure 36 Upgrade Screen . press Browse to locate the backup file on your computer. Reset to Factory Default If you want to reset the settings on your Access Point to those that were loaded at the factory. and then click RESTORE to copy the data into the Access Point's memory. Restore Configuration Data If you want to reinstate the configuration settings previously saved to a file. The password will remain unchanged. To communicate with the Access Point you may need to rerun the DISCOVERY software to find out the IP address of the Access Point. The Access Point reverts to a DHCP client and will therefore restart requiring a new IP address. click RESET. See Appendix A for more information.System Tools 51 Select the Configuration tab to display the Configuration screen (Figure 35). Backup Configuration Click BACKUP to save the current Access Point configuration. You will be prompted to download and save a file to disk.
The file will be copied to the Access Point. Make sure that you do not interrupt power to the Access Point during the upgrade procedure. if you do. the connection between the computer and the Access Point is lost while the new software is being copied to the Access Point). the Access Point will restart. Once you have done this. in case the upgrade process fails for any reason (for example. it is recommended that you make a backup of the configuration beforehand.52 CHAPTER 4: ACCESS POINT CONFIGURATION The Upgrade facility allows you to install on the Access Point any new releases of system software that 3Com may make available. select Browse to tell your web browser where this file is on your computer. and once this has completed. you first need to download the software from the 3Com support web site to a folder on your computer. Although the upgrade process has been designed to preserve your configuration settings. and is complete when the Alert LED has stopped flashing and is permanently off. . the software may be corrupted and the Access Point may not start up properly afterwards. To install new software. "Troubleshooting". and then click Apply. The upgrade procedure can take up to two minutes. If the Alert LED comes on continuously after a failed upgrade. refer to Chapter 6.
.Status and Logs 53 Status and Logs Figure 37 Status and Logs Screen Selecting Status and Logs from the main menu displays the Status and Logs screens (Figure 37) in your Web browser window. The Status screen displays a tabular representation of your network and Internet connection.
Logs Support and Feedback Figure 38 Support Screen . including a summary of the configuration Logs will allow you to view the events logged by the Access Point You may be asked to refer to the information on the Status and Logs screens if you contact your supplier for technical support.54 CHAPTER 4: ACCESS POINT CONFIGURATION Status Status displays the current unit status.
allows you to provide feedback to 3Com on the operation of your Access Point (Figure 38). which contains a list of Internet links that provide information and support concerning the Access Point (Figure 38).Support and Feedback 55 Selecting the Support tab from the Support/Feedback screen displays the support links screen. This screen should not be used to obtain technical support. . Selecting the Feedback tab from the Support/Feedback screen displays the feedback screen.
b Client Bridge Mode as the operating mode of the Access Point. The Access Point will restart. select: a The country in which the Access Point is to operate. See Appendix A... In this mode it will not longer act as an access point and will not provide wireless networking for other clients. . You may need to use the Discovery Application to reconnect to your Access Point after it has been reset to factory default settings. 2 Click the RESET. 3Com recommends that backup your configuration before changing the mode of the Access Point.5 What is Client Bridge Mode? CLIENT BRIDGE MODE CONFIGURATION Client Bridge Mode is a secondary mode of the Access Point. 4 Click Apply. Switching to Client Bridge Mode To switch your Access Point to Client Bridge mode you must reset the Access Point to its factory default settings. button in the Reset to Factory Default section. To switch the Access Point to Client Bridge mode: 1 Click on the System Tools menu followed by the Configuration tab. When in Client Bridge Mode the Access point will act as a Wireless client. allowing one computer to access a wireless network. When you reset the Access Point to its factory default settings you will lose all configuration information. 3 When the Country & Mode Selection screen appears.
.58 CHAPTER 5: CLIENT BRIDGE MODE CONFIGURATION Configuring Client Bridge Mode Once the Access Point has been switched into Client Bridge mode. Welcome Menu Figure 39 Access Point Welcome Screen The Welcome section allows you to view the Notice board and to change your Password. . 2 Click the WIZARD. you can configure it using the configuration Wizard or by setting options manually. The Welcome screens are the same under Access Point mode and Client Bridge mode: ■ ■ ■ See "Notice Board" on page 33 for details of the Notice Board screen. button and follow the instructions provide on-screen. See "Wizard" on page 34 for details of the Wizard screen.. You can also gain access to the Configuration Wizard. To configure the Access Point using the configuration wizard: 1 Click the Welcome menu. To configure the Access Point manually see the sections in the rest of this chapter. followed by the Wizard tab. See "Password" on page 33 for details of the Password screen. The configuration wizard will display options relevant to configuring Client Bridge mode and will therefore differ from those shown in Chapter 3.
The screen shown in Figure 40 is displayed. and then click Apply. 3 Check all of your settings.168.1.1. Figure 40 Unit Configuration Screen To change the LAN settings for your Access Point: 1 Select Unit Configuration. . 2 Enter an IP Address and Subnet Mask in the LAN Settings field. The Access Point must be allocated a free address within your wireless network's subnet to function correctly.LAN Settings 59 LAN Settings The LAN Settings screen allows you to set the IP Address and Subnet Mask of your Access Point. Wireless Settings The Wireless Settings menu allows to enter the details of the wireless network to which you are connecting. These can be obtained from your network administrator. Client Bridge mode does not support DHCP. The default static IP address of the Access Point is 192. You must set a static IP address for your Access Point when in Client Bridge mode.
When disabled. This option allows your network administrator to identify wireless clients. WEP — Wireless Equivalent Privacy (WEP) is a 64 bit or 128 bit encryption method with user configurable fixed keys. ■ . anyone with a Wireless PC can eavesdrop on your network. Service Area Name/SSID Enter the name of your wireless network. The field accepts any alphanumeric string upto a maximum of 32 characters.60 CHAPTER 5: CLIENT BRIDGE MODE CONFIGURATION Configuration Figure 41 Configuration Screen Enable Wireless Networking Allows you to enable/disable wireless access to your LAN. In Client Bridge mode. If you do not enter the name correctly. Access Points are commonly named after their user or location (if fixed). Device Name This option allows you to name the Access Point. The Access Point supports two types of encryption: ■ WPA — Wi-FI Protected Access (WPA) is a 256 bit encryption method with keys that change over time. you will not be able to gain access to your Wireless LAN through this Access Point. Encryption When setting up wireless networks. you will not be able to connect to your wireless network. it is important to remember that with encryption disabled.
If you enable WEP. the options for WEP will not be available. The Access Point can only use one type of encryption to access the wireless network. provided by its longer key and dynamic changes made to the key over time. ■ ■ 3 Click Apply to enter the key. If you enable WPA. For a pre-shared passphrase enter the passphrase in the Passphrase field.Wireless Settings 61 WPA provides a higher level of security. ■ 2 Enter the pre-shared key or passphrase in the fields provided.Pre-shared Passphrase if you have been suppled with a passphrase For a pre-shared key.Manual Pre-shared key if you have been supplied a set of hexadecimal digits Select Enabled . 3Com recommends that you use WPA if supported by your wireless network. Figure 42 Encryption Keys Screen To set up WPA encryption on your Access Point: 1 In the WPA Encryption Type drop-down box select one of the Enabled options: ■ Select Enabled . the options for WPA will not be available. as supplied by your network administrator. for example 1a. Each field can contain a hexadecimal number from 00 to ff. enter a pair of hexadecimal digits in each of the 32 Key fields. .
In 64 bit WEP. The passphrase can be up to 31 characters long and may contain any alphanumeric characters.This is another common method and similar to the 3Com Encryption string. Enter a two digit hexadecimal number in every box.This method is supported by 3Com Wireless products. You must enter a separate string for each of the 4 Keys. You can leave a string blank provided this Key is not selected as the Active Transmit Key. ASCII . 2 Select the method used to generate the WEP encryption key. The string must be exactly 5 characters for 64 bit WEP and 13 characters for 128 bit WEP. ■ ■ ■ 3 Click Apply to enter the key. this method only generates 1 key which is replicated for all 4 keys. The string can contain any alphanumeric characters and must be between 6 and 30 characters long. 3Com Encryption String . Hexadecimal numbers are formed from 0-9 and A-F. . However.This method allows you to manually enter hex keys. in 128 bit WEP.62 CHAPTER 5: CLIENT BRIDGE MODE CONFIGURATION To set up WEP encryption on your Access Point: 1 In the WEP Encryption Type drop-down box select the strength of the encryption supported by your wireless network. A single string will automatically generate 4 unique keys for 64 or 128 bit WEP.This method is supported by some adapter cards running under Windows XP. the passphrase will generate 4 different keys. Passphrase . Virtually all manufacturers support this scheme. There are four methods available: ■ Manual Key Entry .
Configuration. Support and Feedback Selecting the Support tab from the Support/Feedback screen displays the support links screen. The Status and . See "Upgrade" on page 51 for details of the Upgrade screen.System Tools 63 System Tools The main frame of the System Tools screen includes three administration items: Restart. See "Logs" on page 54 for details of the Logs screen. See "Configuration" on page 50 for details of the Configuration screen. ■ Status and Logs Selecting Status and Logs from the main menu displays the Status and Logs screens in your Web browser window. which contains a list of Internet links that provide information and support concerning the Access Point. Restart Figure 43 Restart Screen The System Tools screens are the same under Access Point mode and Client Bridge mode: ■ ■ See "Restart" on page 50 for details of the Restart screen. The Status and Logs screens are the same under Access Point mode and Client Bridge mode: ■ ■ See "Status" on page 54 for details of the Status screen. and Upgrade (Figure 43).
64 CHAPTER 5: CLIENT BRIDGE MODE CONFIGURATION Logs screens are the same under Access Point mode and Client Bridge mode: ■ See "Support and Feedback" on page 54 for details of the Support and Feedback screens. .
Go to the Control Panel and click on Internet Options. Ensure that you do not have a Web proxy enabled on your computer. Ensure that the computers have completed their start-up procedure and are ready for use. check that you do not have a faulty cable. admin computer and switch together but cannot browse to the Access Point configuration screens. Select the Connections tab and click on the LAN Settings button at the bottom. Some NICs do not have status LEDs. Make sure that the Use Proxy Server option is unchecked. and that any corresponding LEDs are also illuminated. Make sure that the computer can communicate with other devices on the network. Some network interfaces may not be correctly initialised until the start-up procedure has completed. ■ ■ Browsing to the Access Point Configuration Screens If you have connected your Access Point. Check that the LAN port link status LED on the Access Point are illuminated. Ensure that your computer is configured correctly. in which case a diagnostic program may be available that can give you this information. ■ ■ . If the link status LED does not illuminate for the LAN port. check the following: ■ Confirm that the physical connection between your computer and the Access Point is OK. Check also that the Uplink/Normal switch is in the correct position. Try a different cable. Ensure that the NIC is configured for autonegotiation. and that the link status LEDs on the Access Point and NIC are illuminated and indicating the same speed (10Mbps or 100Mbps).6 Basic Connection Checks TROUBLESHOOTING ■ Check that the Access Point is connected to your switch or hub and that all the equipment is powered on.
ensure that you use the full URL including the http:// prefix (e. Once the Alert LED has started to flash slowly.1. re-run the DISCOVERY software described in Appendix A to discover the Access Point and the IP address it has been allocated from the DHCP server.g. and that it is correctly installed and configured. Wireless Networking ■ Ensure that you have a Wi-Fi certified 802. 2 seconds off). so choose a time when this would be convenient. and when the start-up sequence has completed.11g wireless adapter for each wireless computer. follow the steps below to reset the Access Point to it's factory default configuration. ■ Forgotten Password and Reset to Factory Defaults If you can browse to the Access Point configuration screen but cannot log on because you do not know or have forgotten the password. The Alert LED will flash as the Access Point starts up. the DISCOVERY software changes the IP address of the Access Point so that it is in the same subnet as your admin computer.66 CHAPTER 6: TROUBLESHOOTING ■ When entering the address of the Access Point into your web browser. 5 When the configuration wizard has completed. browse to the IP address of the Access Point and run the configuration wizard. 3 Release the Reset button. If you cannot browse to the Access Point. CAUTION: All your configuration changes will be lost. 1 Remove power from the Access Point. 4 Re-apply power to the Access Point. . Verify that each Wireless computer has either Windows 95 or higher or MAC OS 8. you may reconnect your network as it was before. All other computer users will lose their network connections whilst this process is taking place.1).11b or 802. http://192. Keep Reset button held down and remove power from the Access Point. If there is no DHCP server on your network. 2 Hold down the Reset button on the rear of the unit and re-apply power to the Access Point.168. and after approximately 30 seconds will start to flash more slowly (typically 2 seconds on.5 or higher. You may need to restart your computer before you attempt this. and you will need to run the configuration wizard again before you can re-establish your wireless network.
You should take care to ensure that there are no devices like microwave ovens for example close to the Access Point or wireless computers as this could affect receiver sensitivity and reduce the performance of your network. Ensure that the TCP/IP settings for all devices are correct.4Ghz ISM band is used for 802. Ensure that you have the Wireless computer enabled in the list of allowed MAC addresses if you are using Wireless Connection control on the Access Point. If you have a wired and wireless NIC in the same computer. 40/64 or 128 bit) and that all devices are using the same keys. it should be lit if wireless is enabled and will flash when there is wireless activity.Wireless Networking 67 ■ Verify that your wireless computers are configured to work in Infrastructure mode and not Ad Hoc mode. If you are having difficulty connecting or are operating at a low speed try changing the antenna positions on the rear of the Access Point. If not lit go to "Wireless Settings" on page 39 and enable wireless networking. If you are unsure try relocating both the wireless computers and the Access Point to establish whether this problem exists. and you may have other devices at your location that operate in this frequency band. Most wireless computer Adapters will scan the channels for the wireless Access Point. Check the status of the Access Point Wireless LED.11b. Place one antenna vertically and one horizontally to improve coverage. If this resolves the problem consider relocating the Wireless computer or select Clear Channel Select on the Access Point. This is generally a licence free band for low power applications. If a wireless computer has not located the ■ ■ ■ ■ ■ ■ ■ ■ ■ . Ad Hoc mode is not supported by the Access Point. ensure that the wired NIC is disabled. Sources of interference: The 2. Ensure that the Wireless Clients are using the same SSID or Service Area Name as the Access Point. For more effective coverage you can try reorientating your antennae. and the same order of keys where appropriate. Additionally consider moving the wireless computer closer to the Access Point to confirm that the building structure or fittings are not adversely affecting the connectivity. The Access Point is designed to operate in Infrastructure mode. The SSID is case-sensitive Ensure that you are using the same level of security on all of your wireless computers (None.
■ If the Alert LED does not go out following start up. Please refer to your Wireless computer adapter documentation and vendor to do this. contact your supplier for further advice. and the LAN IP address is set to 192. Recovering from Corrupted Software If the Alert LED remains permanently on following power-up. 2Mbps and 1Mbps. In general the closer you are to the Access Point the better the speed. the Alert LED will go out. As the signal quality weakens then the speed falls back to a lower speed. In this condition. it is possible that the system software has become corrupted. the Access Point will enter a "recovery" state.com) and upload it to the Access Point to see if this clears the fault (refer to "Recovering from Corrupted Software" below). If you are not achieving the speed you had anticipated then try moving the antenna on the Access Point or moving the Wireless computer closer to the Access Point. In an ideal network the Access Point should be located in the centre of the network with Wireless computers distributed around it. but illuminates continuously. Locate the copy of the Access Point software on the accompanying CD-ROM or 3Com web site (http://www. Alert LED The Alert LED will flash when the Access Point unit is first powered up while the system software checks the hardware for proper operation. The speeds are 11Mbps. If the Alert LED comes on continuously again.1. DHCP is disabled.5Mbps.1. . then a fault has been detected. this indicates that the software has detected a possible fault with the hardware.11b standard will automatically choose the best speed depending on the quality of your connection.68 CHAPTER 6: TROUBLESHOOTING Access Point then try initiating a search manually if the client software supports this feature or manually set the channel on your wireless computer to correspond to the Access Point channel number.168. 5. Once the Access Point has started normal operation. Consult your Wireless Card documentation and vendor for more details.3com. If this does not fix the problem. Use this application to find the optimal siting for your wireless computer. ■ Speed of connection: The 802. Applications are generally available with the computer wireless card to carry out a site survey. Remove power from the Access Point. wait 10 seconds and then re-apply power. Follow the instructions below to upload a new copy of the system software to a Access Point unit in this state.
Contact your supplier for advice. 1 Remove power from the Access Point and connect the admin computer to the LAN port. 5 Follow the on-screen instructions.1.1. Enter the path and filename of the software image file.com.3com. enter the following URL in the location bar: http://192.1.255. 2 You will need to reconfigure this computer with the following static IP address information: ■ ■ ■ IP address: 192.168.255. Do not forget to reconfigure the computer you used for the software upload. it may be faulty. 4 Using the Web browser on the computer.0 Default Gateway address: 192.Frequently Asked Questions 69 Ensure that one of your computers has a copy of the new software image file stored on its hard disk or available on CD-ROM. The Alert LED will go out. Frequently Asked Questions How do I reset the Access Point to Factory Defaults? See "Forgotten Password and Reset to Factory Defaults" on page 66. and re-apply power to the Access Point. run the self-test and. 6 When the upload has completed.2 Subnet mask: 255.168.1.168. This will connect you to the Microcode Recovery utility in the Access Point. resume normal operation. the Access Point will restart. How many wireless clients does the Access Point support? . If the Access Point does not resume normal operation following the upload. The latest software is available on 3Com's Web site at: www. 7 Reconnect your Access Point to your network. if successful.1 3 Restart the computer.
How are additional computers connected? You can expand the number of connections available on your LAN by using hubs. switches and wireless access points connected to the Access Point. 7 days a week. What other online resources are there? The 3Com Knowledgebase at: http://knowledgebase. .com.3com. accessible by visiting: http://www.com/ Where can I download software upgrades for the Access Point? Upgrades to the Access Point software are posted on the 3Com support web site.com is a database of technical information covering all 3Com products. 3Com wireless access points and OfficeConnect hubs and switches provide a simple. and it is available 24 hours a day. reliable means of expanding your network.70 CHAPTER 6: TROUBLESHOOTING A maximum of 128 wireless clients are supported. There is a single LAN ports on the Access Point. contact your supplier for more information. It is updated daily with information from 3Com technical support services.3com.3com. or visit: http://www.
the Access Point on initial power-up will attempt to obtain an IP address from your local DHCP server. If you are unable to use the Discovery application. Figure 44 Discovery Welcome Screen . Consult your DHCP Server log to obtain the IP address that was allocated to your Access Point.A Running the Discovery Application USING DISCOVERY 3Com provides a user friendly Discovery application for detecting the Access Point on the network. select Discovery. A menu will appear. Windows Installation (95/98/2000/Me/NT) 1 Insert the Access Point CD-ROM in the CD-ROM drive on your computer. Discovery will find the Access Point even if it is unconfigured or misconfigured.
Highlight the Wireless 11g Access Point by clicking on it. Then click on Next and wait until the application discovers the Access Points connected to your LAN. and press Next. Figure 46 Discovery Finish Screen 4 Click on Finish to launch a web browser and display the login page for the Access Point. select the NIC from which the Access Point will be discovered. .72 APPENDIX A: USING DISCOVERY 2 When the Welcome screen is displayed. Figure 45 Discovered Access Point Screen 3 Figure 45 shows an example Discovered Devices screen.
Managing the Access Point over the Network To manage a device over the network.n.x where n is a decimal number between 0 and 255 and x is a number between 1 and 254 inclusive.B The Internet Protocol Suite IP ADDRESSING The Internet protocol suite consists of a well-defined set of communications protocols and several standard application protocols. Transmission Control Protocol/Internet Protocol (TCP/IP) is probably the most widely known and is a combination of two of the protocols (IP and TCP) working together. IP addresses have the format n. you need to set a subnet mask. TCP/IP is an internationally adopted and supported networking standard that provides connectivity between equipment from many vendors over a wide variety of networking technologies.n. an IP Address alone is not enough to make your device operate. . the Access Point must be correctly configured with the following IP information: ■ ■ An IP address A Subnet Mask IP Addresses and Subnet Masks Each device on your network must have a unique IP address to operate correctly. All networks are divided into smaller sub-networks and a subnet mask is a number that enables a device to identify the sub-network to which it is connected. An IP address identifies the address of the device to which data is being sent and the address of the destination network. In addition to the IP address. However.
8' is split into two parts: ■ Part one ('192. the IP address of '192.8'.255.0 255.255.0 Type Two In larger networks.255.8 192.168. The same subnet mask.8' is.255. again. However. ■ .8') identifies the device within the network. ■ This type of IP Address operates on a subnet mask of '255.255.100.188 192.72 Subnet Mask 255.100.0'. See Table 3 for an example about how a network with three computers and a Access Point might be configured. Part two ('.255.255. you will probably only encounter two types of IP Address and subnet mask structures. In using the Access Point.100.100.100') identifies the network on which the device resides. Part two ('.168. Table 3 IP Addressing and Subnet Masking Device PC 1 PC 2 PC 3 Access Point IP Address 192. the IP address of '192.33 192. The only value that will be different is the specific host device number.255. all devices on the network must have: ■ ■ The same sub-network address. split into two parts but is structured differently: ■ Part one ('126.96.36.199 APPENDIX B: IP ADDRESSING For your network to work correctly. the size of the network determines the structure of this IP Address. This value must always be unique.168') identifies the network on which the device resides. An example IP address is '18.104.22.168 255.168.8') identifies the device within the network.168. Type One In a small network.168.255. where there are more devices.168.100.0 255.255.168.
0.002.255.0.30 192.0 255.168.0.255.0'.155 192.168.230 192. See Table 4 for an example about how a network (only four computers represented) and a Access Point might be configured.0.255.0. Table 4 IP Addressing and Subnet Masking Device PC 1 PC 2 PC 3 PC 4 Access Point IP Address 192.255.113. Automatic IP addressing is a scheme where devices allocate themselves Auto-IP Addressing . Windows 98 or Windows NT 4. These are: ■ ■ ■ Dynamic Host Configuration Protocol (DHCP) Addressing Static Addressing Automatic Addressing (Auto-IP Addressing) DHCP Addressing The Access Point contains a DHCP server. Using a static IP and subnet mask means the address is permanently fixed.0 255. Also.0.002. DHCP is particularly useful for networks with large numbers of users on them.201. Network devices use automatic IP addressing if they are configured to acquire an address using DHCP but are unable to contact a DHCP server. which allows computers on your network to obtain an IP address and subnet mask automatically.168. DHCP assigns a temporary IP address and subnet mask which gets reallocated once you disconnect from the network. DHCP will work on any client Operating System such as Windows® 95.255.72 Subnet Mask 255.0 255.168.8 192.0 255.0 How does a Device Obtain an IP Address and Subnet Mask? There are three different ways to obtain an IP address and the subnet mask.0.How does a Device Obtain an IP Address and Subnet Mask? 75 This type of IP Address operates on a subnet mask of '255. using DHCP means that the same IP address and subnet mask will never be duplicated for devices on the network. Static Addressing You must enter an IP Address and the subnet mask manually on every device.168.255.100.
x (with a subnet mask of 255.x.0).254. the conflict is detected and one of the devices allocates itself a new address. Automatic IP addressing support was introduced by Microsoft in the Windows 98 operating system and is also supported in Windows 2000.76 APPENDIX B: IP ADDRESSING an IP address at random from the industry standard subnet of 169. .0. If two devices allocate themselves the same address.255.
Direct Sequence Spread Spectrum (DSSS) Transmission rate: 54Mbps. Direct Sequence Spread Spectrum (DSSS) Transmission rate: 11bps. 36.400-2. 128 bit WEP. 18. 24.5 Mbps: -85 dBm. QPSK. 54 Mbps -66 dBm typical Modulation: CCK. OFDM Encryption: 40/64 bit WEP.11b.5. 128 bit WEP. 2.8m (1000ft) Frequency: (US/Canada/Europe) 2. WPA Maximum clients: 128 O/P Power 18dBm . QPSK. 48 Mbps: -85 dBm. BPSK. 12. WPA Maximum clients: 128 O/P Power: 18dBm Standard IEEE 802. Wireless 11g Access Point Interfaces LAN connection .10Mbps/100Mbps dual speed Ethernet port (10BASE-T/100BASE-TX) WLAN Interfaces Standard IEEE 802.4835 GHz Sensitivity: 1.4835 GHz Sensitivity: 6. 24. 11 Mbps -82 dBm typical Modulation: CCK. BPSK. 18.400-2.11g.8m (1000ft) Frequency: (US/Canada/Europe) 2. or 6 Mbps Maximum channels: 14 Range up to 304. automatic fallback to 48. 36.C TECHNICAL SPECIFICATIONS This section lists the technical specifications for the OfficeConnect Wireless 11g Access Point. 5. OFDM Encryption: 40/64 bit WEP. automatic fallback to 5. or 1 Mbps Maximum channels: 14 Range up to 304. 12. 2.
RSS-210 Safety: EMC: Radio Environmental: EN 60068 (IEC 68) .) Weight Approximately 500 g (1.4 GHz ISM band wide band transmission systems.3 IEEE 802.249.) Height = 24 mm (1 in. 15. Wi-Fi UL60950 CSA 22.7 in.78 APPENDIX C: TECHNICAL SPECIFICATIONS Operating Temperature 0 °C to 40 °C (32 °F to 105 °F) Power 7VA.) Depth = 135 mm (5. 802.9 BThU/hr Humidity 0 % to 90 % (non-condensing) humidity Dimensions ■ ■ ■ Width = 220 mm (8.11g.209. ETS 300 328 (2.3 in. 15.1 lbs) Standards Functional: ISO 8802/3 IEEE 802.247 and 15.11b. 23.2 #60950 IEC 60950 EN 60950 EN 55022 Class B EN 55024 CISPR 22 FCC Part 15 Class B* ICES-003 Class B CNS 13438 Class A ETSI EN 301 489–17 CFR 47 FCC Part 15.207.
Maximum cable length of 100m (327.79 *See "FCC Statement" on page 97 for conditions of operation. u and x specifications.0 Windows ME Windows 2000 Windows XP Mac OS 8.3i.5 or higher Unix Ethernet Performance Wireless Performance The Access Point complies to the IEEE 802. Cable Specifications The Access Point supports the following cable types and maximum lengths: ■ Category 3 (Ethernet) or Category 5 (Fast Ethernet or Dual Speed Ethernet) Twisted Pair — shielded and unshielded cable types. ■ . The Access Point has been designed to conform to the Wi-Fi interoperability test standard. System Requirements Operating Systems The Access Point will support the following Operating Systems: ■ ■ ■ ■ ■ ■ ■ Windows 95/98 Windows NT 4.86 ft).
WARNING: To ensure compliance with international safety standards. Follow all directions carefully. The user should seek local advice on whether or not rf energy is permitted within the area of intended use. WARNING: There are no user-replaceable fuses or user-serviceable parts inside the Access Point. . The conditions are only maintained if the equipment to which it is connected also operates under SELV conditions. If you have a physical problem with the unit that cannot be solved with problem solving actions in this guide. WARNING: This unit operates under SELV (Safety Extra Low Voltage) conditions according to IEC 60950. You must read the following safety information carefully before you install or remove the unit: WARNING: The Access Point generates and uses radio frequency (rf) energy.D Important Safety Information SAFETY INFORMATION WARNING: Warnings contain directions that you must follow for your personal safety. only use the power adapter that is supplied with the unit. WARNING: Only stack the Access Point with other OfficeConnect units. WARNING: The socket outlet must be near to the unit and easily accessible. In some environments. You can only remove power from the unit by disconnecting the power cord from the outlet. WARNING: Exceptional care must be taken during installation and removal of the unit. the use of rf energy is not permitted. contact your supplier.
WARNING: Disconnect the power adapter before moving the unit. WARNING: RJ-45 ports. These are shielded RJ-45 data sockets. They cannot be used as telephone sockets. Only connect RJ-45 data connectors to these sockets.
Wichtige Sicherheitshinweise
VORSICHT: Warnhinweise enthalten Anweisungen, die Sie zu Ihrer eigenen Sicherheit befolgen müssen. Alle Anweisungen sind sorgfältig zu befolgen. Sie müssen die folgenden Sicherheitsinformationen sorgfältig durchlesen, bevor Sie das Geräts installieren oder ausbauen: VORSICHT: Der Access Point erzeugt und verwendet Funkfrequenz (RF). In manchen Umgebungen ist die Verwendung von Funkfrequenz nicht gestattet. Erkundigen Sie sich bei den zuständigen Stellen, ob die Verwendung von Funkfrequenz in dem Bereich, in dem der Bluetooth Access Point eingesetzt werden soll, erlaubt ist. VORSICHT: Bei der Installation und beim Ausbau des Geräts ist mit höchster Vorsicht vorzugehen. VORTSICHT: Stapeln Sie das Geräts nur mit anderen OfficeConnect Gerätes zusammen. VORSICHT: Aufgrund von internationalen Sicherheitsnormen darf das Gerät nur mit dem mitgelieferten Netzadapter verwendet werden. VORSICHT: Die Netzsteckdose muß in der Nähe des Geräts und leicht zugänglich sein. Die Stromversorgung des Geräts kann nur durch Herausziehen des Gerätenetzkabels aus der Netzsteckdose unterbrochen werden. VORSICHT: Der Betrieb dieses Geräts erfolgt unter den SELV-Bedingungen (Sicherheitskleinstspannung) gemäß IEC 60950. Diese Bedingungen sind nur gegeben, wenn auch die an das Gerät angeschlossenen Geräte unter SELV-Bedingungen betrieben werden.
VORSICHT: Es sind keine von dem Benutzer zu ersetzende oder zu wartende Teile in dem Gerät vorhanden. Wenn Sie ein Problem mit dem Access Point haben, das nicht mittels der Fehleranalyse in dieser Anleitung behoben werden kann, setzen Sie sich mit Ihrem Lieferanten in Verbindung. VORSICHT: Vor dem Ausbau des Geräts das Netzadapterkabel herausziehen. VORSICHT: RJ-45-Anschlüsse. Dies sind abgeschirmte RJ-45-Datenbuchsen. Sie können nicht als Telefonanschlußbuchsen verwendet werden. An diesen Buchsen dürfen nur RJ-45-Datenstecker angeschlossen werden.
Consignes importantes de sécurité
AVERTISSEMENT: Les avertissements présentent des consignes que vous devez respecter pour garantir votre sécurité personnelle. Vous devez respecter attentivement toutes les consignes. Nous vous demandons de lire attentivement les consignes suivantes de sécurité avant d'installer ou de retirer l'appareil: AVERTISSEMENT: L'Access Point fournit et utilise de l'énergie radioélectrique (radio fréquence -rf). L'utilisation de l'énergie radioélectrique est interdite dans certains environnements. L'utilisateur devra se renseigner sur l'autorisation de cette énergie dans la zone prévue. AVERTISSEMENT: Faites très attention lors de l'installation et de la dépose du groupe. AVERTISSEMENT: Seulement entasser le moyer avec les autres moyeux OfficeConnects. AVERTISSEMENT: Pour garantir le respect des normes internationales de sécurité, utilisez uniquement l'adaptateur électrique remis avec cet appareil. AVERTISSEMENT: La prise secteur doit se trouver à proximité de l'appareil et son accès doit être facile. Vous ne pouvez mettre l'appareil hors circuit qu'en débranchant son cordon électrique au niveau de cette prise.
AVERTISSEMENT: L'appareil fonctionne à une tension extrêmement basse de sécurité qui est conforme à la norme CEI 60950. Ces conditions ne sont maintenues que si l'équipement auquel il est raccordé fonctionne dans les mêmes conditions. AVERTISSEMENT: Il n'y a pas de parties remplaceables par les utilisateurs ou entretenues par les utilisateurs à l'intérieur du moyeu. Si vous avez un problème physique avec le moyeu qui ne peut pas être résolu avec les actions de la résolution des problèmes dans ce guide, contacter votre fournisseur. AVERTISSEMENT: Débranchez l'adaptateur électrique avant de retirer cet appareil. AVERTISSEMENT: Ports RJ-45. Il s'agit de prises femelles blindées de données RJ-45. Vous ne pouvez pas les utiliser comme prise de téléphone. Branchez uniquement des connecteurs de données RJ-45 sur ces prises femelles.
You agree to hold such trade secrets in confidence.S. no license is granted to you in the human readable code of the Software (source code). DO NOT CLICK ON THE "I AGREE" OR SIMILAR BUTTON. exported or re-exported (i) into or to a national or resident of any country to which the U. the Technical Data covered by this Agreement may contain data encryption code which is unlawful to export or transfer from the United States or country where you legally obtained it without an approved U. and title to. DO NOT DOWNLOAD. trade secrets. IF YOU DO NOT AGREE TO THE TERMS AND CONDITIONS OF THIS AGREEMENT. You further acknowledge and agree that ownership of. RETURN THE ENTIRE PRODUCT WITH THE SOFTWARE AND DOCUMENTATION UNUSED TO THE SUPPLIER WHERE YOU OBTAINED IT. Documentation and any other technical data provided hereunder is commercial in nature . or (ii) to any one on the U. the Software and Documentation may be copied only as essential for backup or archive purposes in support of your use of the Software as permitted hereunder. Otherwise. EXPORT RESTRICTIONS: The Software. UNITED STATES GOVERNMENT LEGENDS: The Software. subject to the terms and restrictions set forth in this Agreement. You agree not to remove or deface any portion of any legend provided on any licensed program or documentation delivered to you under this Agreement. In addition to the above. You may reproduce and provide one (1) copy of the Software and Documentation for each such workstation or network server on which the Software is used as permitted hereunder. the Product may not be used. re-export or import the Technical Data. AND IF YOU HAVE RECEIVED THE SOFTWARE AND DOCUMENTATION ON PHYSICAL MEDIA. you must at the same time either transfer all copies of the Software and Documentation to the party or you must destroy any copies not transferred. is subject to United States Export control laws and may be subject to export or import regulations in other countries. You agree that you will not export or re-export the Technical Data (or any copies thereof) or any products utilizing the Technical Data in violation of any applicable laws or regulations of the United States or the country where you legally obtained it. Except as set forth above. Documentation and the licenses granted herein to another party in the same country in which you obtained the Software and Documentation if the other party agrees in writing to accept and be bound by the terms and conditions of this Agreement. Modification. Department of Commerce export license and appropriate foreign export or import license. reverse engineering. nontransferable (except as specified herein) license to use the accompanying software program(s) in executable form (the "Software") and accompanying documentation (the "Documentation"). rent. TITLE: You acknowledge and agree that the structure. If you transfer the Software and Documentation. INSTALLING OR OTHERWISE USING ANY PART OF THE SOFTWARE OR DOCUMENTATION INDICATES THAT YOU ACCEPT THESE TERMS AND CONDITIONS. You are responsible for obtaining any licenses to export. Treasury Department's list of Specially Designated Nationals. reverse compiling. Except as provided below. copyrights.E END USER SOFTWARE LICENSE AGREEMENT 3Com Corporation END USER SOFTWARE LICENSE AGREEMENT YOU SHOULD CAREFULLY READ THE FOLLOWING TERMS AND CONDITIONS BEFORE DOWNLOADING. for your internal use. INSTALLING AND USING THIS PRODUCT. ASSIGNMENT. sequence and organization of the Software are the valuable trade secrets of 3Com and its suppliers. this Agreement does not grant you any rights to patents. or any other rights with respect to the Software or Documentation. THE USE OF WHICH IS LICENSED BY 3COM CORPORATION ("3COM") TO ITS CUSTOMERS FOR THEIR USE ONLY AS SET FORTH BELOW. as required. trademarks. DOWNLOADING. You are not permitted to lease. Each copy of the Software and Documentation must contain 3Com's and its licensors' proprietary rights and copyright notices in the same form as on the original. including the Documentation and all related technical data (and any copies thereof) (collectively "Technical Data"). In addition. However. INSTALL OR OTHERWISE USE THE SOFTWARE OR DOCUMENTATION. the Software is licensed to be used on any workstation or any network server owned by or leased to you.S. the Software and Documentation and all subsequent copies thereof regardless of the form or media are held by 3Com and its suppliers. or disassembly of the Software is expressly prohibited. if you are a European Union ("EU") resident. Subject to the restrictions set forth herein. provided that the Software is used only in connection with this 3Com product.S. Further. information necessary to achieve interoperability of the Software with other programs within the meaning of the EU Directive on the Legal Protection of Computer Programs is available to you from 3Com upon written request. TRADE SECRETS. distribute or sublicense (except as specified herein) the Software or Documentation or to use the Software or Documentation in a time-sharing arrangement or in any other unauthorized manner. LICENSE: 3Com grants you a nonexclusive. has embargoed. you may not assign or transfer your rights under this Agreement.S. NO REVERSE ENGINEERING: You may transfer the Software. Commerce Department's Table of Denial Orders or the U.
You may terminate the licenses and this Agreement at any time by destroying the Software and Documentation together with all copies and merged portions in any form. excluding its conflicts of laws principles and excluding the United Nations Convention on Contracts for the International Sale of Goods. The Software is delivered as "Commercial Computer Software" as defined in DFARS 252. which is 3Com's standard commercial license for the Software. The licenses and this Agreement will also terminate immediately if you fail to comply with any term or condition of this Agreement. whether written or oral. Santa Clara.S. CA 95052-8145 (408) 326-5000 . together with all copies and merged portions in any form. U. legal and enforceable provision of similar intent and economic impact shall be substituted therefor. Box 58145.101(a) and as such is provided with only such rights as are provided in this Agreement. legality and enforceability of any of the remaining provisions shall not in any way be affected or impaired and a valid. illegal or unenforceable. the validity. or write: 3Com Corporation. ENTIRE AGREEMENT: This Agreement sets forth the entire understanding and agreement between you and 3Com and supersedes all prior agreements.227-14 (June 1987). Such warranties and limitations of liability are incorporated herein in their entirety by this reference. whether in paper or electronic form. Technical data is provided with limited rights only as provided in DFAR 252. Upon such termination you agree to destroy the Software and Documentation.A. TERM AND TERMINATION: The licenses granted hereunder are perpetual unless terminated earlier as specified below.86 APPENDIX E: END USER SOFTWARE LICENSE AGREEMENT and developed solely at private expense. SEVERABILITY: In the event any provision of this Agreement is found to be invalid. 1995) or FAR 52. LIMITED WARRANTIES AND LIMITATION OF LIABILITY: All warranties and limitations of liability applicable to the Software are as stated on the Limited Warranty Card or in the product manual.O.227-7015 (Nov. 5500 Great America Parkway.227-7014 (June 1995) or as a commercial item as defined in FAR 2. and may be amended only in a writing signed by both parties. P. GOVERNING LAW: This Agreement shall be governed by the laws of the State of California. please contact the 3Com subsidiary serving your country. accompanying the Software. whichever is applicable. Should you have any questions concerning this Agreement or if you desire to contact 3Com for any reason. with respect to the Software and Documentation.
The IEEE specification for wireless Ethernet which allows speeds of up to 54 Mbps. 24.5 and 11 Mbps data rates. The IEEE specification for 10 Mbps Ethernet over Category 3. while also monitoring wireless client radio traffic and forwarding wireless client messages to the Ethernet LAN. The standard provides for 1. 36. It is used to connect a peer to peer network together without the use of an access point. It offers lower performance than infra-structure mode. such as Ethernet.) Some devices in the OfficeConnect range support auto-negotiation. used by the Access Point. An Access Point is a device through which wireless clients connect to other wireless clients and which acts as a bridge between wireless clients and a wired network. 2. The standard provides for 6. Auto-negotiation is where two devices sharing a link. 5. The rates will switch automatically depending on range and environment. 12.11b The IEEE specification for wireless Ethernet which allows speeds of up to 11 Mbps.GLOSSARY 802. the access point monitors Ethernet traffic and forwards appropriate Ethernet messages to the wireless network. The IEEE specification for 100 Mbps Fast Ethernet over Category 5 twisted-pair cable.11g 10BASE-T 100BASE-TX Access Point Ad Hoc mode Auto-negotiation . If connected to an Ethernet network. 4 or 5 twisted pair cable. Ad Hoc mode is a configuration supported by most wireless clients. 48 and 54 Mbps data rates. automatically 802. (see also Infra-structure mode. The rates will switch automatically depending on range and environment. Wireless clients can be moved anywhere within the coverage area of the access point and still connect with each other.
that a channel can transmit.11g is 54 Mbps. The bandwidth of Ethernet is 10 Mbps.4GHz spectrum within which the Gateway operates. Windows 98 and Windows NT 4. Similar to any radio device. 10BASE-T full duplex. One of five grades of Twisted Pair (TP) cabling defined by the EIA/TIA-586 standard. One of five grades of Twisted Pair (TP) cabling defined by the EIA/TIA-586 standard. the bandwidth of Fast Ethernet is 100 Mbps. the OfficeConnect Wireless 11g Access Point allows you to choose different radio channels in the wireless spectrum.11b wireless is 11Mbps. and 10BASE-T half duplex. and Windows 95 and Windows 98 will call the server to obtain the address. The term used to described the desktop PC that is connected to your network. Auto-negotiation is defined in the IEEE 802. Category 3 Cables Category 5 Cables Channel Client DHCP . The bandwidth for 802. These assignments are made by the DHCP server software that runs on Windows NT Server. This protocol automatically assigns an IP address for every computer on your network. Windows 95. because it supports both Ethernet (10 Mbps) and Fast Ethernet (100 Mbps) speeds. The bandwidth for 802. 100BASE-TX half duplex. A channel is a particular frequency within the 2.0 contain software that assigns IP addresses to workstations on a network.88 GLOSSARY configure to use the best common speed. Dynamic Host Configuration Protocol. The order of preference (best first) is: 100BASE-TX full duplex. Bandwidth The information capacity. Category 5 cabling is better to use for network cabling than Category 3.3 standard for Ethernet and is an operation that takes place in a few milliseconds. Category 5 can be used in Ethernet (10BASE-T) and Fast Ethernet networks (100BASE-TX) and can transmit data up to speeds of 100 Mbps. Windows 98 will allocate itself an address if no DHCP server can be found. Category 3 is voice grade cable and can only be used in Ethernet networks (10BASE-T) to transmit data at speeds of up to 10 Mbps. measured in bits per second.
See MAC address. A system that allows packets to be transmitted and received at the same time and.34. A system that allows packets to transmitted and received. Encryption ESSID Ethernet Ethernet Address Fast Ethernet Firewall Full Duplex Half Duplex Hub . A LAN specification developed jointly by Xerox. A method for providing a level of security to wireless data transmissions.8).GLOSSARY 89 DNS Server Address DNS stands for Domain Name System. Extended Service Set Identifier. The ESSID is a unique identifier for your wireless network.com" into your Internet browser). The OfficeConnect Wireless 11g Access Point uses two types of encryption.45. so that when a domain name is requested (as in typing "3com. A DNS server keeps a database of host computers and their respective domain names and IP addresses. Electronic protection that prevents anyone outside of your network from seeing your files or damaging your computers. A device that regenerates LAN traffic so that the transmission distance of that signal can be extended. WPA is a more powerful level of encryption than WEP.com) and one or more IP addresses (such as 192. doubles the potential throughput of a link. You must have the same ESSID entered into the Access Point and each of it's wireless clients. Intel and Digital Equipment Corporation. Hubs are similar to repeaters. which allows Internet host computers to have a domain name (such as 3com. but not at the same time. An Ethernet system that is designed to operate at 100 Mbps. in that they connect LANs of the same type. Contrast with full duplex. Ethernet networks use CSMA/CD to transmit packets at a rate of 10 Mbps over a variety of cables. WPA and WEP. in effect. The DNS server address used by the computers on your home network is the location of the DNS server your ISP has assigned. however they connect more LANs than a repeater and are generally more sophisticated. the user is sent to the proper IP address.
An organization responsible for providing engineering solutions for TCP/IP networks. and is made up of a network section. Local Area Network. IP is a layer 3 network protocol that is the standard for sending data through a network.90 GLOSSARY IEEE Institute of Electrical and Electronics Engineers. In the network management area. The address is written as four octets separated with periods (full-stops). This American organization was founded in 1963 and sets standards for computers and communications. An IP address consists of 32 bits divided into two or three fields: a network number and a host number or a network number. an optional subnet section and a host section. IP is part of the TCP/IP set of protocols that describe the routing of packets to addressed devices. Internet Service Provider. Media Access Control. IETF Infra-structure mode IP IP Address ISP LAN MAC . You will need to ensure all of your clients are set up to use infra-structure mode in order for them to communicate with the Access Point. Infra-Structure mode is the 802. An ISP is a business that provides connectivity to the Internet for individuals and other businesses or organizations. this group is responsible for the development of the SNMP protocol. servers) and network devices (hubs and switches) that cover a relatively small geographic area (usually not larger than a floor or building).11g configuration supported by the Access Point. A protocol specified by the IEEE for determining which devices have access to a network at any one time. A unique identifier for a device attached to a network using TCP/IP. printers. and a host number. LANs are characterized by high transmission speeds over short distances (up to 1000 metres). A network of end stations (such as PCs. (see also Ad Hoc mode) Internet Protocol. Internet Engineering Task Force. a subnet number. Internet Protocol Address.
Network Network Interface Card (NIC) Protocol RJ-45 Server SSID Subnet Address Subnet mask Subnets . Networks vary in size. A subnet mask. which must assigned by InterNIC). timing. Also called the hardware or physical address. An extension of the IP addressing scheme that allows a site to use a single IP network address for multiple physical networks. Servers provide end stations with access to shared network services such as computer files and printer queues. A circuit board installed into a piece of computing equipment. Most devices that connect to a LAN have a MAC address assigned to them as they are used to identify other devices in a network. The "RJ" stands for "registered jack". It is used to create IP address numbers used only within a particular network (as opposed to valid IP address numbers recognized by the Internet. Some vendors of wireless products use SSID interchangeably with ESSID. A network that is a component of a larger network. A set of rules for communication between devices on a network. A layer 2 address associated with a particular network device. some are within a single room. A standard connector used to connect Ethernet networks. for example. that enables you to connect it to the network. sequencing and error control. others span continents. MAC addresses are 6 bytes long. The rules dictate format. A NIC is also known as an adapter or adapter card. A computer in a network that is shared by multiple end stations. Service Set Identifier. A Network is a collection of computers and other computer equipment that are connected for the purpose of exchanging information or sharing resources. is a set of four numbers configured like an IP address.GLOSSARY 91 MAC Address Media Access Control Address. which may be a part of the TCP/IP information provided by your ISP. a computer.
An industry group formed to certify cross vendor interoperability and compatibility of 802.11g. This is the certification granted by WECA to products that meet their interoperability criteria.92 GLOSSARY Switch A device that interconnects several LANs to form a single logical LAN that comprises of several LAN segments. (see also 802. Transmission Control Protocol/Internet Protocol.11g.11b and 802. small business and home environments. Wireless Fidelity. 802. 802. Switches are similar to bridges. in that they connect LANs of a different type. TCP/IP Traffic WECA The movement of data packets on a network. .11g wireless networking products and to promote the standard for enterprise. This is the name for two of the most well-known protocols developed for the interconnection of networks.11b. TCP/IP is now supported on almost all platforms. A shared key encryption mechanism for wireless networking. Encryption strength is 40/64 bit or 128 bit. IP relates to the address of the end station to which data is being sent. as well as the address of the destination network. Originally a UNIX standard. (see also 802. TCP relates to the content of the data travelling through a network — ensuring that the information sent arrives in one piece when it reaches its destination. Wireless Ethernet Compatibility Alliance. Wi-Fi) Wired Equivalent Privacy.11b. however they connect more LANs than a bridge and are generally more sophisticated. and is the protocol of the Internet. WECA) The term used to describe a desktop or mobile PC that is wirelessly connected to your wireless network Another term for ESSID (Extended Service Set Identifier) WEP Wi-Fi Wireless Client Wireless LAN Service Area Wizard A Windows application that automates a procedure such as installation or configuration.
A WLAN is a group of computers and devices connected together by wireless in a relatively small area (such as a house or office). Wi-Fi Protected Access. Encryption strength is 256 bit.GLOSSARY 93 WLAN Wireless Local Area Network. A dynamically changing encryption mechanism for wireless networking. WPA .
73 Summary 30 Support Information 54. 63 Support Links 55. 34 Specifications technical 77 Static Addressing 75 Status 54 Subnet Mask 27. 33 Profile 48 R Reset to Factory Defaults 51. 73 L LAN 26. About This Guide 8 text. 28. 75 Discovery Application 71 S Setup Wizard 21.INDEX A Access 13 Addresses IP 73 Administration Password 26. 33 Automatic Addressing 75 MAC Address deleting 46 modifying 46 N Network addresses 73 Networking wireless 66 NIC wireless 14 C Cable Specifications 79 Channels 97 Configuration backup 51 restore 51 Conventions notice icons. 66 Restart 50. 38. 63 D DHCP 27. 63 F Forgotten Password 66 I Internet addresses 73 IP Address 27. About This Guide 8 Country Selection 24 P Password 23. 34. 73 Technical specifications 77 standards 77 Time Zone 50 M . 28. 34. 72 Logs 54 T TCP/IP 27. 59 LED 14 Login 23.
60 connection control 44 encryption 41. 39. 59 . 60 LED 15 networking 66 NIC 14 service area name 40.96 INDEX U Unit Configuration 34 Upgrade 51 W Wireless authorised PCs 45 channel selection 39 client list 47 configuration 39. 60 settings 28.
Luxembourg." ICES-003. Norway. Portugal. Austria. pursuant to Part 15 of the FCC Rules. Russia. Sweden. Belgium. Croatia. Italy. Belarus. there is no guarantee that interference will not occur in a particular installation. and the Canadian Department of Communications Equipment Standards entitled. Costa Rica. Czech Republic. Slovenia. . Singapore. South Korea. Canada. United States France. Malaysia. Uruguay. This equipment generates. Bahrain. For proper installation. Cyprus. Netherlands. Hong Kong. Thailand. may cause harmful interference to radio communications. uses and can radiate radio frequency energy and. Taiwan. Finland.REGULATORY NOTICES FOR THE WIRELESS 11G ACCESS POINT Channels Use of the Wireless 11g Access Point is only authorized for the channels approved by each country. United Kingdom. Switzerland. Lithuania. Ireland. Chile. "Digital Apparatus. Peru. Paraguay. Liechtenstein. Jordan Israel Japan 1–11 10–13 5–7 1–14 FCC Statement This equipment has been tested and found to comply with the limits for a Class B digital device. Poland. Germany. Saudi Arabia. However. Greece. Hungary. Denmark. Table 5 below details the channels permitted by the local regulatory agencies: Table 5 Channels Channels 1–13 Country Australia. China. login to the management interface and select your country from the drop down list. These limits are designed to provide reasonable protection against harmful interference in a residential installation. Iceland. Columbia. India. if not installed and used in accordance with the instructions. Venezuela. Turkey. Mexico. New Zealand. Brazil. Spain. Argentina. South Africa. Philippines. Indonesia.
Relocate the equipment with respect to the receiver. DC 20402.109 (a)Class B Radiated Emissions Limits 15. Stock No. is in conformity with the following standards or other normative documents: ■ ■ ANSI C63. this equipment must be used only with cables which comply with IEEE 802. Plug the equipment into a different outlet so that equipment and receiver are on different branch circuits.107 (e)Class B Conducted Limits 15.4-1992 Methods of Measurement Federal Communications Commission 47 CFR Part 15. Consult the dealer or an experienced radio/television technician for help. the user is encouraged to try to correct the interference by one or more of the following measures: ■ ■ ■ ■ Reorient the receiving antenna. Government Printing Office. In order to meet FCC emissions limits. which can be determined by turning the equipment off and on.98 Information to the User If this equipment does cause interference to radio or television reception. 004-000-00345-4.107 (a)Class B Conducted Limits 15.3. Washington. Move the equipment away from the receiver.S.109 (g)Class B Radiated Emissions Limits ■ . ■ The user may find the following booklet prepared by the Federal Communications Commission helpful: How to Identify and Resolve Radio-TV Interference Problems This booklet is available from the U. subpart B 15. FCC Declaration of Conformity We declare under our sole responsibility that the Model: 3CRWE454G72 Description: Wireless 11g Access Point to which this declaration relates.
99 Exposure to Radio Frequency Radiation: The radiated output power of the 3Com OfficeConnect Wireless 11g Access Point is far below the FCC radio frequency exposure limits. . EMC Directive 89/336/EEC as amended by European Directive 93/68/EEC and the Radio and Telecommunications Terminal Equipment Directive 99/5/EC. CSA Statement This Class B digital apparatus meets all requirements of the Canadian Interference-Causing Equipment Regulations. any changes or modifications not expressly approved by the party responsible for compliance could void the user's authority to operate this equipment. The distance between the antennas and the user should not be less than 20 cm. Nevertheless. CE Statement (Europe) This product complies with the European Low Voltage Directive 73/23/EEC. the 3Com OfficeConnect Wireless 11g Access Point shall be used in such manner that the potential for human contact during normal operation is minimized. Cet appareil numérique de la classe B respecte toutes les exigences du Règlement sur le matériel brouilleur du Canada. BSMI Statement FCC CAUTION: To assure continued compliance.
In order to comply with the FCC RF exposure requirements.1091.100 RF Exposure Compliance Statement (U. .) CAUTION: The 3Com OfficeConnect Wireless 11g Access Point has been certified as a mobile computing device as per FCC Section 2. the 3Com OfficeConnect Wireless Cable/DSL Gateway must only be installed with approved antennas and a minimum separation distance of 20 cm (8 in) must be maintained from the antenna to any nearby persons. Equipment (or it's transmit antenna) that is installed outdoors is subject to licensing.S. this device is intended to be operated indoors and away from windows to provide maximum shielding. Potential RF Interference (Canada) CAUTION: To prevent radio interference to the licensed service.
5500 Great America Parkway.3Com Corporation. USA.com All specifications are subject to change without notice. All other company and product names may be trademarks of their respective companies. To learn more about 3Com products and services. CA 95052-8145. DUA0045-4AAA01 Rev. 3Com and OfficeConnect are registered trademarks of 3Com Corporation. All rights reserved. Corporate Headquarters. visit our World Wide Web site at www. 01 . Copyright © 2003 3Com Corporation.3com. Santa Clara.
This action might not be possible to undo. Are you sure you want to continue?
We've moved you to where you read on your other device.
Get the full title to continue listening from where you left off, or restart the preview.