Nortel Circuit Card Installation Manual page 598

Page 598 of 906
Figure 133
Two-way, loop DR, TIE trunk call states – outgoing call through far-end PBX to CO/FX/WATS
Note 1 : Immediate-start outpulsing.
Note 2: Delay-dial or wink-start outpulsing after go signal.
Note 3: Where no far-end answer supervision is provided, party at near end
hangs up after recognizing far-end call termination.
553-3001-211 Standard 3.00
NT8D14 Universal Trunk card
Ground on tip,
battery on ring
Battery-ground
or loop pulses,
Idle
Near end
originates
Near end
hangs up
(Note 3)
August 2005
System (near) end
Low-resistance
loop
Near end
disconnects
first
or DTMF
Far end
(Note 1)
answers
(no ans sup)
(Note 2)
Dial
tone
Go
Far end
(Note 2)
answers
Stop
(ans sup)
Universal service
provided by far
end PBX if
originating end is
senderized
High-resistance
loop
Near end
disconnects
Far end
disconnects
Far end
disconnects
first
Near end
disconnects
first
553-1144