Ran modes of operation – Nortel Networks Circuit Card 311 User Manual

Page 666

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666

NT8D14 Universal Trunk card

Figure 211
Connecting RAN equipment to the NT8D14 Universal Trunk Card (typical)

RAN modes of operation

Figure 212 "RAN control signals (Control GRD = IDLE)" (page 668)

shows

the relationship of control signals to message playback for the operating
modes available in announcement machines. The signal names shown in

Figure 212 "RAN control signals (Control GRD = IDLE)" (page 668)

are

typical.

Note 1: For continuous operation mode, connect the trunk unit MB line
to the announcer B line only, and ground the announcer ST+ line. For
pulse start or level start modes, connect the trunk unit MB line to the
announcer ST+ line only, and leave the announcer B line unconnected.

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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