Nortel Networks Circuit Card 311 User Manual
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NT8D15 E and M Trunk card
Contents
This section contains information on the following topics:
"Physical description" (page 719)
"Functional description" (page 723)
"Electrical specifications" (page 772)
"Connector pin assignments" (page 776)
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 trunks:
•
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
.