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Pin Signal Cable Color Code
1 Audio 1 black
2 Control 2 blue
3 -24 V gray
4 GND brown
5 GND purple
6 GND red/gray
7 GND red
8 +24 V pink
9 Control 3 yellow
10 Control 1 green
11 Mic Bus white
12 Mode red/blue
Pin Signal
1 n.c.
2 TXD
3 RXD
4 n.c.
5 GND
6 n.c.
7 n.c.
8 n.c.
9 n.c.
9
20
9 Appendix A – Connector Pin Assignments
912
8
10 12
3
7
11
4
65
23145
6
7
8
9
SUB-D 9 RS232
Minicon Bus Cable
Shield connected to connector housing