Computer Hardware Installation Guide

715
NT8D15 E and M Trunk card
Contents
This section contains information on the following topics:
"Introduction" (page 715)
"Physical description" (page 719)
"Functional description" (page 723)
"Operation" (page 747)
"Electrical specifications" (page 772)
"Connector pin assignments" (page 776)
"Configuration" (page 784)
"Applications" (page 795)
Introduction
The NT8D15 E and M Trunk card interfaces four analog telephone trunks to
the switch. Each trunk interface connects to a trunk facility using tip and ring
leads that carry voice, ringing, and tone signaling, and to signaling interfaces
by E and M leads. Each unit can be configured independently by software
control in the Trunk Data Block (or Trunk Administration) program LD 14.
You can install this card in any IPE slot.
Note: Up to four analog trunk cards are supported in each Media
Gateway and Media Gateway Expansion.
The NT8D15 E and M Trunk card supports the following types of tr unks:
•
2-wire E and M Type I signaling trunks
•
two-wire dial repeating trunks
•
two or four wire tie trunks
Nortel Communication Server 1000
Circuit Card Reference
NN43001-311 01.04 Standard
Release 5.0 23 May 2008
Copyright © 2003-2008, Nortel Networks
.