06/29/17
ICA-202D OPERATION AND INSTALLATION MANUAL
Page 10 of 32
REAR PANEL CONNECTIONS
Logic Control Inputs:
Common sensing for Switches, or PLC
Privacy Tone Enable Sw
- Active low, momentary, or sustained
Enables Privacy Tone burst temporarily forcing the Remote Speaker on
The Privacy Tone is initiated when the Intercom is activated
Or when the Intercom is un-muted
Activation from “Push to Talk” or "Page" does not sound the Privacy Tone
The tone burst also sounds every 18-20 seconds if there is continuous listening
Page Sw -
Active low (Same functions as PTT)
Causes "Page Out output to carry the Operator Microphone audio signal
This Page Switch Input is diode isolated, so a relay p24Volts may also connect
to the same point (The Relay Coil must also have an Anti-Fly Wheeling Diode)
Push to Talk (PTT) Sw
- Active Low, momentary or sustained
Forces the Remote speaker on while depressed (Sustained)
Cancels “Call Tone” (Jumper Option)
Activates the Intercom if Inactive
Does not cause the Privacy Tone to be sent
Mute Sw
(Highest Priority) – Active Low, momentary, or sustained
Causes both channels to mute
Does not change the state Active or Call Flip-Flops
Sounds Privacy Tone when un-muting (Jumper Option)
Activate Sw
- Active Low, momentary, or sustained
Overrides “Shut Off”
Quiescent state, Operator on
Cancels Call Tone (Jumper Option)
Cause Privacy Tone to be sent (Jumper Option)
Shutoff Sw
(Lowest Priority) - Active low, momentary, or sustained, see below
Disables both Operator and Remote Speakers
(Overridden by “Activate”, “Push to Talk”, or "Page")
Call Sw
- Active low, momentary, or sustained
Causes “Call Tone” to be sent to the Operator speaker
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ICA-202D
Tech Works * YORBA LINDA * CA * 1-800-813-1080 * WWW.TECH4PEOPLE.COM
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