ElectroBot USB to RS-232 DB9 Male Serial Cable 3 Feet Computer to Serial Adapter Connect a device with RS-232 to a computer with a USB 2.0 or 3.0 Type A port. OS Compatibility - Windows 10/8/7/Vista/XP//2000 (Windows 7,8,10 should auto detect and install the drivers) - macOS X 10.6 and above (Both computer and device must support macOS) - Linux kernels 2.4.31 and later Check the DB9 port on your device Devices with fixed hex screws may require a DB9 Mini Gender changer or serial cable with adjustable screws (sold separately). A Null Modem Adapter (sold separately) is required to directly connect two computers Important Note This is NOT a VGA cable The World of RS-232 Many types of equipment still require an RS-232 connection for programming. Common examples include a CNC machine, GPS, telescope, Set-Top box, network switch, sewing machine and more. This cable supports a data transfer rate up to 225 Kbps. Drivers Included for Most Applications The Prolific drivers for the latest PL2303 chipset are included in the package on the CD. They are also available from the Cable Matters website. Some equipment requires proprietary software in order to communicate with your computer. Check with the manufacturer of your equipment.