iPECS-MG
Hardware Description and Installation Manual Issue 1.1
35
5.2.5 Connecting Miscellaneous Devices
The MPB provides connections for an external music source, an external page port, a relay
contact, and an alarm detection input monitor.
Figure 5.2.5-1 Miscellaneous Connections
5.2.5.1 Alarm/Relay Wiring
The RJ-11 Alm/Rly connector provides access to the Remote Contact Monitoring circuitry and
an External Control Contact. The Contact Monitoring circuitry can be used to monitor an
external alarm or doorbell contact. The External Control Contact activates as a Loud Bell, a
Door Open control, or control for External paging equipment when External Paging is access.
Referring to Figure 5.2.5-1 and the pin-out chart below
Wire the Alarm Tip and Alarm Ring located on pins 2 and 3 of the RJ11 to the Alarm
contact termination point using UTP cable
Wire the External Control Contact located at pins 4 and 5 of the RJ11 to the external
device using UTP cable
Tag or number wiring for maintenance
Table 5.2.5.1-1 Alarm and Relay Contact Connector
CONNECTION PIN SIGNAL NAME
RJ11
1 Not used
2 ALARM-T
3 ALARM-R
4 Relay-T
5 Relay-R
6 Not used
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