Nortel Networks Circuit Card 311 - Manual (Page 590)

590 NT8D14 Universal Trunk card
Figure 150
Loop start call connection sequence - incoming call
Outgoing calls
For outgoing calls, the software sends an outgoing seizure message to
place a low-resistance loop across the tip and ring leads toward the CO.
See
Figure 151 "Ground start call states - incoming call from CO/FX/WATS"
(page 591) and Figure 152 "Ground start call connection sequence -
incoming call from CO/FX/WATS" (page 592) . When the CO detects the
low-resistance loop, it prepares to receive digits.When the CO is ready
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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