Figure 136 "ground start call connection – Nortel Networks 1000 User Manual
Page 508
508
NT8D14 Universal Trunk card
Figure 136
Ground start call connection sequence - incoming call from CO/FX/WATS
For outgoing calls from the Meridian 1, software sends an outgoing seizure
message to place a low-resistance loop across the tip and ring leads
toward the CO (see
Figure 139 "Loop start call states - outgoing call to
and
Figure 140 "Loop start call connection
sequence - outgoing call to CO/FX/WATS" (page 513)
). When the CO
detects the low-resistance loop, it prepares to receive digits.When the CO
Nortel Communication Server 1000
Circuit Card Reference
NN43001-311
02.06
Standard
27 August 2008
Copyright © 2003-2008 Nortel Networks
.