User Manual

A XELL D-MBR-USA R EPEATER
PRODUCT DESCRIPTION AND USER’S MANUAL
18 Axell Wireless Ltd
3.11 Dry Contact Alarm Connections
NOTE: The dry-contact alarms may be connected at any time – before or after the Repeater is
powered-up.
This option can be used to monitor third party equipment such as air-conditioners or power supplies
that are located in the communication room.
The D-MBR-USA 8-pin Alarm port supports dry-contact alarms and system alarm monitoring from
an external source.
To activate alarms
1. Connect the alarm according to the table in this section.
2. Activate and set the alarm in the External Alarms tab, according to section 4.5.
To connect the dry contact alarm
Connect the supplied Alarm 8-pin connector (DEGSOM P.N:
15EDGK-3.5-08P-14-00A) to the D-MBR-USA ALARM port,
located on the front panel.
Note 1: The wire connections to the Alarm connector can be secured with screws (no soldering is
required).
Note 2: In order to activate an alarm, it must be configured via the Web Management application (see
4.5)
Pin No. Description Operation
1 External Alarm_1 Triggers CMU Alarm ID 1 if set in the External Alarms tab.
2 GND Ground, galvanic short to Repeater chassis.
3 External Alarm_2 Triggers CMU Alarm ID 2 if set in the External Alarms tab.
4 GND Ground, galvanic short to Repeater chassis
5 External Alarm_3 Triggers CMU Alarm ID 3 if set in the External Alarms tab.
6 Dry contact-common Dry contact relay common port
7 Dry contact relay
Normally Closed (NC)
Normally Closed – Dry contact is Normally Closed to the
relay common port. The contact is closed (shorted) during
normal Repeater operation opens when either a Major Alarm
is detected or the Repeater is switched off.
8 Dry contact relay
Normally Open (NO)
Normally Open – Dry contact is Normally Open to the relay
common port. The contact is open during normal Repeater
operation and closes when either a Major Alarm is detected or
the Repeater is switched off.