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11
Connector Pinouts
USB Type A
1USB 5V
2 Data -
3 Data +
4 DGND
1 1/4” Stereo Jack (Panel Mic)
Tip Audio + and DC Bias
Ring GND
Sleeve Chassis GND
4-, 5-, 6-, 7-pin XLR(Female) Headset
4-pin 5-pin 6-pin 7-pin
Pin 1 MIC + MIC + MIC + Mic +
Pin 2 GND(MIC) GND (MIC) GND (MIC) GND (MIC)
Pin 3 GND (SPK) GND (SPK) GND (SPK) GND (SPK)
Pin 4 L SPK L SPK L SPK L SPK
Pin 5 R SPK GND (FS) R SPK
Pin 6 Footswitch GND (FS)
Pin 7 Footswitch
DB-15 (male) Aux 3, Aux 4, Aux 5, Aux 6
Pin Assignment
1 AUX 3 Input +
2 AUX 3 Input -
3 AGND
4 AUX 4 Input +
5 AUX 4 Input -
6 AGND
7 DGND
8 +5VD
9 AGND
10 AUX 5 Input +
11 AUX 5 Input -
12 AUX 6 Input +
13 AUX 6 Input -
14 DGND
15 +5VD
DB-9 Relay 1, 2, 3, 4
RLY 1 RLY2 RLY3
Common Pin 2 Pin 5 Pin 8
NC Pin 1Pin 4Pin 7
NO Pin 3Pin 6Pin 9
DB-9 (male) Opto-Isolator (1-4)
Pin Assignment
1GND
2GND
3GND
4GND
5GND
6 Switch Contact Input 1
7 Switch Contact Input 2
8 Switch Contact Input 3
9 Switch Contact Input 4
DB-9 (male) Open Collector (1-2)
Pin Assignment
1DGND
2 Emitter OC1
3 Collector OC2
4DGND
5 Emitter OC2
6 Collector OC2
7 +5VD
8NC
9 +5VD