Operation 761
Condition Current in
signaling lead State of trunk
detector
Network taken down and trunk idled No current flow High
Near-end on hook first, network taken down Current flow Low
Far-end on hook, trunk idled No current flow High
Table275
DX signaling - outgoing calls with originating party release on tandem connections
Condition Current in
signaling lead State of trunk
detector
Idle No current flow High
Seizure (far-end ready for digits) Current flow High
Dial CO/FX/WATS Currentflow interrupted
for each pulse High
Stop sender No current flow Low
Go sender (universal service provided by far-end
PBX if originating end is senderized) Currentflow High
CO/FX/WATS offices ready for digits
Stored Office DN digits Currentflow interrupted
for each pulse High
Outpulsed No current flow Low
Far end answers No current flow Low
Far end on hook first Current flow High
Near end on hook, network taken down, trunk
idled No current flow High
Near end on hook first, network taken down Current flow Low
Far end on hook, trunk idled No current flow High
Table276
DX signaling - incoming calls with originating party release on tandem connections
Condition Current in
signaling lead State of trunk
detector
Idle No current flow High
Seizure
(Can be arranged for IS, DD, or WS) (near-end
ready for digits)
Current flow Low
Dial CO/FX/WATS and office DN Currentflowinterrupted
for each pulse Low-high-low for each
pulse
Nortel Communication Server 1000
Circuit Card Reference
NN43001-311 01.04 Standard
Release 5.0 23 May 2008
Copyright© 2003-2008, Nor tel Networks
.