A-N (Alcatel, ..., NEC) cell phones and Smartphones connectors
HTC ExtUSB is 11-pin USB connector used on older HTC phones. It is a single port to handle Audio, USB Sync, and Power Compatible with mini-usb connector.

 

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)  

 

 

11 pin HTC ExtUSB jack connector layout
11 pin HTC ExtUSB jack connector
at the bottom
According to 6 reports in our database (6 positive and 0 negative) this pinout should be correct.

Is this pinout
HTC ExtUSB visual pinout:
HTC ExtUSB diagram
click to enlarge
Source(s) of this and additional information: http://www.podgizmo.com/index.php?act=viewProd&productId=29, http://www.netimes.com/HTC_ExtUSB/
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