User Manual

Chapter 3 - Operation and Administration of the Macro BTS NPU Configuration
4Motion 436 System Manual
Figure 3-2: 25-pin Micro D-Type ALRM-IN/OUT Connector
You can configure upto eight dry contact input alarms, each mapping to a
different pin number. This section describes the commands to be executed for:
 “Mapping a Dry-contact Input Alarm to an Alarm Condition” on page 436
 “Disabling Dry-contact Input Alarms” on page 439
3.4.16.4.1 Mapping a Dry-contact Input Alarm to an Alarm Condition
Dry contact alarms are connected to the 4Motion unit via the 25-pin micro D-Type
ALRM-IN/OUT connector on the front panel of the NPU. You can configure upto
eight dry contact input alarms, each connected to a different pin on the
ALRM-IN/OUT connector. Each alarm can then map to any of the following alarm
conditions. If the external dry-contact alarm detects that any of these conditions
is fulfilled, an alarm is raised, and a corresponding trap is sent to the EMS.
 Commercial power failure
 Fire
 Enclosure door open
 High temperature
IMPORTANT
Dry-contact input alarms are a means to raise a trap to the EMS when a change in conditions is
notified by the external device. However, the trap may not reach the EMS because of trap rate limiting,
network congestion or for reasons relating to the external equipment. Alvarion does not assume
responsibility for traps that are lost.