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Specifications A - 5
Table A-5
Audio Connector Pin-Outs
Pin Signal Description
1 MIC+ Audio input from microphone
2 MIC- Audio input from microphone
3 HPOUT Audio output to headphone ear piece
4 AGND Analog ground
5 SPKR+ Audio output to handset speaker
6 SPKR- Audio output to handset speaker
7 PTT Push-to-Talk button signal from handset
Mating connector: Amphenol p/n C091-31D007-100-2
Table A-6
USB A and B Connector Pin-Outs
Pin Signal Description
1 VCC +5 VDC USB power
2 USB - USB negative signal
3 USB + USB positive signal
4 GND Ground
P5
P4
P2
P3
P6P1
P7