Figure 174 "did trunk, loop dr call connection, Figure 174 "did trunk, loop dr call – Nortel Networks Circuit Card 311 User Manual
Page 620
620
NT8D14 Universal Trunk card
Figure 174
DID trunk, loop DR call connection sequence - incoming call from CO
The trunk is arranged for first party release. The CO releases the trunk
by removing the low resistance loop and normal battery and ground are
restored at the system.
Nortel Communication Server 1000
Circuit Card Reference
NN43001-311
01.04
Standard
Release 5.0
23 May 2008
Copyright © 2003-2008, Nortel Networks
.
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