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RD-12 / March 99
INTERCOM MODULE
AMP D Connector — Output Audio
All signals are +4dBu balanced analog.
Pin 9 - 2-way audio out HIGH
Pin 8 - 2-way audio out LOW
Pin 7 - 2-way audio out SHIELD
Pins 10 - Audio Common
AMP C, D — Control
Pin 6 - External digital + power feed
Pin 5 - External digital common
Pin 12 - Station call line 5
Pin 11 - Station call line 6 AMP C connector
Pin 9 - Station call line 7
Pin 8 - Station call line 8
Pin 3 - +16V
Pin 2 - -16V
Pins 1, 4, 7, 10 - Audio Common
Pin 6 - Station call line 1
Pin 5 - Station call line 2
Pin 3 - Station call line 3 AMP D connector
Pin 2 - Station call line 4
Pins 1, 4 - Audio Common
Key diagram showing
back of typical 12-pin I/O
connector plug, with pin
numbers oriented as they
would be seen while wir-
ing. Beveled corners cor-
respond to PCB mounted
mating sockets.
5 46
8 79
11 1012
2 13
RD-12 / Aug 00
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