Nortel Networks 311 User Manual

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