Some models include an external antenna connector. Provides a WTX style motherboard connector which is incompatible with the standard ATX motherboard connector. T1 lines use another wiring for the same connector, designated RJ48. A common external connector is the microphone connector. The device retained the same 30-pin dock connector as previous generations. RS-485 does not specify any connector or pinout. A applications where a larger locking connector would not fit. The CompactFlash interface is a 50-pin subset of the 68-pin PCMCIA connector. This does require an external power connector. Wi-Fi USB Connector or a wireless router. These have a tip and sleeve configuration referred to as a TS phone connector. A new Universal Connector with USB support is introduced. A new wired remote connector was introduced. A standard specifies both a physical connector and how it is wired. ATX12V-GES 24-pin P1 motherboard connector.