Connector Pinouts
USB Type A
1
USB 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
Pin 1
MIC +
MIC +
Pin 2
GND(MIC) GND (MIC) GND (MIC)
Pin 3
GND (SPK) GND (SPK) GND (SPK)
Pin 4
L SPK
L SPK
Pin 5
R SPK
Pin 6
Pin 7
DB-15 (male) Aux 3, Aux 4, Aux 5, Aux 6
Pin
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
6-pin
7-pin
MIC +
Mic +
GND (MIC)
GND (SPK)
L SPK
L SPK
GND (FS)
R SPK
Footswitch
GND (FS)
Footswitch
Assignment
AUX 3 Input +
AUX 3 Input -
AGND
AUX 4 Input +
AUX 4 Input -
AGND
DGND
+5VD
AGND
AUX 5 Input +
AUX 5 Input -
AUX 6 Input +
AUX 6 Input -
DGND
+5VD
DB-9 Relay 1, 2, 3, 4
RLY 1
Common
Pin 2
NC
Pin 1
NO
Pin 3
DB-9 (male) Opto-Isolator (1-4)
Pin
1
2
3
4
5
6
7
8
9
DB-9 (male) Open Collector (1-2)
Pin
1
2
3
4
5
6
7
8
9
RLY2
RLY3
Pin 5
Pin 8
Pin 4
Pin 7
Pin 6
Pin 9
Assignment
GND
GND
GND
GND
GND
Switch Contact Input 1
Switch Contact Input 2
Switch Contact Input 3
Switch Contact Input 4
Assignment
DGND
Emitter OC1
Collector OC2
DGND
Emitter OC2
Collector OC2
+5VD
NC
+5VD
11
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