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D500 / Jul 98
I N T E R C O M M O D U L E
Hook-Ups
All user wiring to and from the ICMD-500 module takes place at two
DB-25 multi-pin connectors mounted directly beneath the module on the
console mainframe’s bottom pan.
Upper DB-25 Connector — Input Audio
This connector handles the module’s source select External Stereo
inputs. All audio signals are analog, +4dBu balanced.
Pin 15 - 2-way audio in HIGH
Pin 3 - 2-way audio in LOW
Pin 16 - 2-way audio in SHIELD
Pin 1 - External Line in HIGH
Pin 14 - External Line in LOW
Pin 2 - External Line in SHIELD
Upper DB-25 Connector — Control
Pin 10 - External d power feed
Pin 23 - External digital common
Pin 4 - Station call line 1
Pin 17 - Station call line 2
Pin 18 - Station call line 3
Pin 6 - Station call line 4
Pin 7 - Station call line 5
Pin 20 - Station call line 6
Pin 21 - Station call line 7
Pin 9 - Station call line 8
Pin 24 - +16V
Pin 12 - -16V
Pins 5,8,11,19,22,25 - Audio Common
Pin 13 - N/C
Typical DB-25
connector
A-5000 / Nov 98