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NT8D15 E&M Trunk card Page 643 of 906
Circuit Card Description and Installation
Figure 149
E&M Type I signaling patterns – originating party release
Near end M lead
Near end E lead
Idle
Near end
disc first
Near
end disc
Dialing
Near end
seizes
Far end
answers
(ans sup)
Far end
answers
(no ans
sup)
553-6263
Far
end
disc
Far
end
disc
first
Ground
Ground Open
Battery
DT
Near end M lead
Outgoing calls from near end
Incoming calls to near end
Near end E lead
Idle
Near end
disc first
Near end
disc
Far
end
seizes
Near end
answers
(ans sup)
Near end ans
(no ans sup)
Far end
disc
Far end
disc first
Ground
Ground Open
Battery
Dialing