Nortel Enterprise 1000 Reference Manual page 113

Figure 40
E&M type signaling patterns – originating party release
Succession Communication Server for Enterprise 1000 Circuit Card Reference Guide
NT8D15 E&M Trunk Card
Near-end M lead
Ground
Idle
Dialing
Far
Near
end
end disc
disc
Near-end
disc first
Outgoing calls from near-end
Near-end M lead
Ground
Near-end
disc
Idle
Far-end
disc
Near-end
disc first
Far
end
seizes
Near-end ans
(no ans sup)
Incoming calls to near-end
Battery
Near-end
seizes
DT
Far-end
Far
answers
end
(no ans
disc
sup)
first
Far-end
answers
(ans sup)
Battery
Far-end
disc first
Near-end
answers
(ans sup)
553-CSE6263
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