ICS-2003 INTERCOM STATION
2-4
Note: Ensure that the Select switch on the station’s rear panel is in the correct position
for the intended use.
Figure 6: Matrix Frame to Digital Station Wiring Using BNC-16 and Coax
MATRIX STATION MISCELLANEOUS CONNECTOR WIRING
Most local devices connect with the station via the Miscellaneous connector.
The following sections discuss how to wire the various functions available on the
“Miscellaneous” connector.
Figure 7: Miscellaneous Connector Pinout
External Program Feed Input
The external program feed input allows the station operator to simultaneously
monitor audio from an external source and intercom audio.
The input is designed to accept a balanced, line-level audio feed at a nominal
level of 0 dB. The program feed input passes through the station’s “Program”
volume control before being mixed with the audio at the station. The program
Pair 1
1
2
3
4
5
6
7
8
1
2
3
4
5
6
7
8
Matrix Frame End
Station End
No Connection (NC)
No Connection (NC)
No Connection (NC)
Multiplexed Data/Audio
Multiplexed Data/Audio
No Connection (NC)
No Connection (NC)
No Connection (NC)
BNC-16
1
2
15
14
13
12
11
10
9
8
7
6
5
4
3
+ Program Input
- Program Input
Audio Ground
Second Ear Ground
Second Ear Output
Logic Ground
Logic Ground
Logic Input #1
Logic Input #2
Mute Relay Normally Closed
Station Relay Normally Closed
Mute Relay Wipe
Station Relay Wipe
Mute Relay Normally Open
Station Relay Normally Open
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