Step 6Soldering the HTC ExtUSB Breakout Board Power Wire (optional)
6 9 11 5
O O O O
7 8 10 4
O O O O
1 2 3
O O O
1: USB VCC +5v
2: USB Data -
3: USB Data +
4: N / C
5: USB GND
6: Left Audio +
7: Labeled "AG" (Serial 2.8v Level GROUND)
8: Audio - (GND) Labeled "CK" (Serial 2.8v Level TX)
9: Switch (Talk) Labeled "OT" (Serial 2.8v Level RX)
10: Right Audio +
11: Mic +
12: Chassis Ground (GND)
= 1. Solder the other end of the (red) wire you just soldered in hole 1 (USB VCC +5v).
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