HTC ExtUSB Pinout:
Pin Number |
Pin Name |
Description |
1 | USB VCC +5v | |
2 | USB Data - | |
3 | USB Data + | |
4 | N / C | |
5 | USB GND | |
6 | Left Audio + | |
7 | Sense | Labeled AG on headset board |
8 | Audio - (GND) | Labeled CK on headset board |
9 | Switch (Talk) | Labeled OT on headset board |
10 | Right Audio + | |
11 | Mic + | |
12 | Chassis Ground (GND) |