Shure Conference Phone User Manual
Page 22
Pin
Signal
Cable color code
1
GND
Shield
2
GND
Shield
3
+24 V
red
4
- 24 V
blue
5
Mode
white/orange
6
Control 2
brown
7
Audio
white/green
8
MicBus
white/blue
9
Control 3
white/red
10
Control 1
yellow
11
+24 V
white/brown
12
- 24 V
orange
13
GND
n.c.
14
GND
Shield
15
+24 V
purple
16
-24 V
gray
17
GND
n.c.
18
GND
black
19
Audio
white/green
20
Mic Bus
white/blue
21
GND
green
22
GND
white/purple
23
GND
white/yellow
24
+24 V
white
25
-24 V
white/black
1 3
2 5
1 4
1
SUB-D 25 Powerline
English
9
21