Nortel Networks 1000M User Manual
Page 369
369
Connecting an external alarm
Contents
This section contains information on the following topics:
"Alarm port assigned in software" (page 369)
"Alarm through a QUA6 PFTU" (page 370)
Introduction
This chapter describes the procedures for connecting an external alarm
to the Small System.
There are two methods of connecting an external alarm to the system:
•
through an alarm port assigned in software
•
through contacts in a QUA6 Power Failure Transfer Unit (PFTU)
This chapter contains the following procedure:
•
Procedure 74 "Installing an alarm using an alarm port" (page 370)
Alarm port assigned in software
The system can be equipped with an alarm port using an analog line
connected to an analog (500/2500-type) telephone or other similar type
of ringing or alerting device.
The alarm will operate when a BSD090 message indicates a power fault in
the system. Information about BSD090 messages is contained in Software
Input Output Reference - Maintenance (NN43001-711).
Nortel Communication Server 1000
Communication Server 1000M and Meridian 1 Small System Installation and Commissioning
NN43011-310
01.04
Standard
Release 5.0
13 May 2008
Copyright © 2008, Nortel Networks
.