iPECS eMG800
Hardware Description and Installation Manual
Issue 1.8
31
4.2.5.1
Alarm/Relay Wiring
The RJ-45 Alarm/Relay 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.
Refer to Figure 4.2.5-1 and the pin-out chart below.
Wire the Alarm Tip and Alarm Ring located on pins 1 & 2 of the RJ45 to the Alarm contact termination
point using UTP cable
Wire the External Control Contact 1 / 2 located at pins 5 & 6 / pins 7 & 8of the RJ45 to the external
device using UTP cable
Tag or number wiring for maintenance
Table 4.2.5.1-1 Alarm and Relay Contact Connector
CONNECTION
PIN
SIGNAL NAME
RJ45
1
ALARM-T
2
ALARM-R
3
Not used
4
Not used
5
Relay1-T
6
Relay1-R
7
Relay2-T
8
Relay2-R
4.2.5.2
Page Audio Connector Wiring
The Page connector allows paging audio to be sent to External Paging equipment. The system will deliver
audio as a 0-dBm signal into a 600-ohm load.
Refer to Figure 4.2.5-1,
Wire the Page Audio connector to the termination point of the audio input of the External Page
equipment.
Tag or number wiring for maintenance.
4.2.5.3
MOH Connector Wiring
When a call is placed on hold, MOH (Music on Hold) is presented to the caller. MOH can be provided from an
internal source or from an external audio source connected to the MOH connector.
Refer to Figure 4.2.5-1,
Wire the MOH connector to the termination point of the audio output of the external MOH source.
Tag or number wiring for maintenance.
