Clear-Com Communication Systems
ICS-102/62 Intercom Panel Instruction Manual
2-5
The following sections discuss how to wire the various functions
available on the “Miscellaneous” connector.
Figure 2-4: Miscellaneous Connector Pinout
External Program Feed Input
The external program feed input allows the panel 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
panel’s “Program” volume control before being mixed with the audio at
the panel. The program feed (program audio) can be heard on the
panel’s speaker and headset; it cannot be heard by other panels in the
Matrix system.
To connect an external program feed to the panel:
1. Connect the balanced audio pair to pins 1 and 9.
2. Connect a shield or ground connection if available to the connector’s
pin 2 (see Figure 8).
Logic Input #1 and #2
Each input can control one of several functions, determined through
the configuration program. Typically, these inputs are connected to an
external foot switch, a panel-mounted switch, or the logic output of
another device.
The following functions are available:
• Mic On/Off—toggles the panel’s microphone on and off.
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
Panel Relay Normally Closed
Mute Relay Wipe
Panel Relay Wipe
Mute Relay Normally Open
Panel Relay Normally Open
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