Shure Conference Phone manual Appendix a Connector Pin Assignments

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9 Appendix A – Connector Pin Assignments

Minicon Bus Cable

9 1 2

8 1 0 1 2 3

7 1 1 4

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SUB-D 9 RS232

1	2	3	4	5
6		7	8	9

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

Shield connected to connector housing

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.

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