Nortel Networks Circuit Card 311 User Manual
Page 535
535
NT8D09 Analog Message Waiting Line
card
Contents
This section contains information on the following topics:
"Physical description" (page 538)
"Functional description" (page 541)
"Connector pin assignments" (page 556)
Introduction
The NT8D09 Analog Message Waiting Line card is an IPE line card that can
be installed in the NT8D37 IPE module.
The NT8D09 Analog Message Waiting Line card (
µ
-Law) provides talk
battery and signaling for up to 16 regular 2-wire common battery analog
(500/2500-type) telephones and key telephone equipment, with the
Message Waiting lamp feature.
The NT8D09 Analog Message Waiting Line card is functionally identical to
the NT8D03 Analog Line card, except it can also connect a high-voltage,
low-current feed to each line to light the message waiting lamp on
telephones equipped with the Message Waiting feature.
The analog message waiting line card mounts in any IPE slot.
Note: A maximum of four NT8D09 Analog Message Waiting Line cards
per Media Gateway and Media Gateway Expansion are supported.
Nortel Communication Server 1000
Circuit Card Reference
NN43001-311
01.04
Standard
Release 5.0
23 May 2008
Copyright © 2003-2008, Nortel Networks
.