
QPC550 Direct Inward Dial Trunk card 111
QPC525, QPC526, QPC527, QPC777 CO Trunk card
Switches at E29/E9/A29/A11 Units 0/1/2/3
Application 1234
5
6
7
8
Zero ohm outpulsing
on
off off
Standard outpulsing off
on
off
Ground start
on on
off
Loop start off off off
Loop start, automatic guard detection off
on
off
PPM daughterboard not installed
on
off
PPM daughterboard installed off off
Battery on M operation off
on
off
Ground on M operation
on
off off
Second pair M&MM off off off
Note 1: There is no ground start signalling for QPC777 CO trunk cards.
Always select loop start signalling for QPC777 CO trunk cards.
Note 2: On QPC777 CO trunk cards, the pads are in for short line
lengths and the pads are out for long line lengths.
QPC550 Direct Inward Dial Trunk card
Table 51 "QPC550 vintages A and B-real/complex balance impedance
selection" (page 111) through Table 55 "QPC550 vintage B-software control
for 2dB pad" (page 113) give the option settings for the QPC550 DID Tr unk
card.
Table 51
QPC550 vintages A and B-real/complex balance impedance selection
Impedance type
Device
location
Device
designation
Switch
number
Unit
number
Real
Complex
F31 S4.0
10
on
off
F24 S4.1
11
on
off
F16 S4.2
12
on
off
F11 S4.3
13
on
off
Nortel Communication Server 1000
Circuit Card Reference
NN43001-311 01.04 Standard
Release 5.0 23 May 2008
Copyright © 2003-2008, Nortel Networks
.
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