Nortel Networks 1000 - Manual (Page 680)

680 NT8D15 E and M Trunk card
Table 248
DX signaling - incoming calls with originating party release (cont’d.)
Condition
Current in
signaling lead State of trunk
detector
Far-end on hook first Current flow High
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
Table 249
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 Current flow
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) Current flow High
CO/FX/WATS offices ready for digits
Stored Office DN digits Current flow
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
Table 250
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
Nortel Communication Server 1000
Circuit Card Reference
NN43001-311 02.06 Standard
27 August 2008
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