Ran modes of operation – Nortel Networks Circuit Card 311 User Manual
Page 666

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
.