Nortel Circuit Card 311 Reference page 262

262 NT5D11 and NT5D14 Lineside T1 Interface cards
Figure 54
Lineside T1 interface connection to Norstar system
Copyright © 2003-2008, Nortel Networks
.
Note: The Lineside T1 card audio levels must be considered when
determining the appropriateness of an application.
Nortel Communication Server 1000
Circuit Card Reference
NN43001-311 01.04 Standard
Release 5.0 23 May 2008