SILENT KNIGHT 9500, Installation And Operation Manual

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Operation
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4.7 Listen-In and Hang Up
Note: See Section 2.3.2 for UL requirement on listen-in.
This section explains how to operate the receiver for listen-in calls. Some panels that perform
listen-in send a listen-in indicator included in the reported message to the receiver. Any panel
that does not send this message must be added to the Listen-In Account List (see Section
5.5.2.6).
When a listen-in call is received by the 9500, the LCD display will indicate the account
number and (depending on the panel) the listen-in timeout period. The listen-in LED on the
line card will be illuminated to confirm the line card indication.
4.7.1 Extend (Common) Listen-In Operation
Follow these steps to manually extend common listen-in time period:
1. Press .
2. Enter the line card number.
3. Pick up the telephone the listen-in call is on. See Figure 4-25 for a diagram of how the lis-
ten-in phone should be connected (in parallel) with the phone line of the line card.
Figure 4-25 Phone Connector Pin-Out and Listen-in Wiring Diagram
4. Perform the listen-in procedures for that panel (refer to panel operation manual).