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QPC71 E and M/DX Signaling and Paging Trunk cards
Applicati
on
1
2
E and M
off
off
Paging
off
off
on
on
DX 2-wir
e (condu
ctor loop
< 2.5 K
3
/
)
4
DX 2-wir
on
on
e (condu
ctor loop
> 2.5 K
/
)
3
4
DX 4-wir
off
off
e (condu
ctor loop
< 2.5 K
3
/
)
4
DX 4-wir
off
off
e (condu
ctor loop
> 2.5 K
3
/
)
4
Note: DX trunks must be balanced correctly. If the loop is <2.5 K
If the loop is >2.5 K
3
/
switches should be arranged for loops to be >2.5 K
similar treatment when connecting to Pulse QPJ69 trunks.
QPC414 Network card
Application
T-1 facilities (including PRI/DTI),* channel service unit connect pins 1 and 2
Note: Possible jumper locations for vintage B (for different styles/series):
J3—E11 or H11
J4—H17 or E7
Copyright © 2003-2008, Nortel Networks
.
Unit 0 E35 switch
3
4
5
6
on
off
off
off
off
off
off
off
on
off
off
off
on
on
off
on
on
on
off
off
on
on
on
on
, far end balancing requires standard plus 2.5 K
4
Nortel Communication Server 1000
Circuit Card Reference
NN43001-311 01.04 Standard
Release 5.0 23 May 2008
7
8
1
2
on
off
off
off
off
off
off
off
on
on
on
off
off
on
on
on
on
off
off
off
on
off
off
off
3
/
, far-end balancing is standard.
4
3
/
at one end and <2.5 K
4
Pin connection
J3/S2 and J4/S1
(pin 1 is next to the white dot)
QPC414 Network card 105
Unit 1 E5 switch
3
4
5
6
on
off
off
off
off
off
off
off
on
off
off
off
on
on
off
on
on
on
off
off
on
on
on
on
3
/
. To connect PBX to PBX,
4
3
/
at the other. Apply
4
7
8
on
off
off
off
on
off
off
on
on
off
on
off
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