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Page 1: ...is Off there is no activity with that station When an Indicator is On that Station is selected for Communication Another product the ICR 116EX has a multi pin connector on the opposite side of the PCB...
Page 2: ...tation Relays CALL COMMONs tie together and go to the CALL SIGNAL CONNECTOR Page Connector Euro Style Barrier Strip Pin 1 Left 1 Amplifier OUT 2 Amplifier OUT The Paging Amplifier is connected to the...
Page 3: ...hen their Respective Station Relay is Selected The Paging Amplifier is connected to Unselected Stations when the Call Relay is energized Call Signal Connector 24 Pin Ribbon Wire Header Pin 1 Top Right...
Page 4: ...n either Position 24 VDC CALL COMMON is connected to the 24 VDC Relay Power Supply Rail 24 VDC CALL COMMON is connected to the 24 VDC Relay Power Supply Rail If the CALL COMMON Jumper is removed the C...
Page 5: ...multaneously When stations are selected good design practice sequences the Intercom Amplifier to avoid listening Pops The ICA 202 has a Mute input which simplifies this implementation The selection se...
Page 6: ...Schematic Diagram ICR 116B 1 SCHEMATIC DIAGRAM...
Page 7: ...standard The breakout board has mounting tabs for screw mounting wherever convenient ICR 44 Intercom Relay Module 4x4 Tech Works makes a variety of intercom Relay modules for routing audio and calls...
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