Qpc528 co/fx/wats trunk cards – Nortel Networks Circuit Card User Manual
Page 143

Option settings
Page 143 of 906
Circuit Card
Description and Installation
QPC528 CO/FX/WATS Trunk cards
Table 50 lists switch and jumper settings for options available.
Table 50
QPC528 Trunk cards switch and jumper settings
Switch Settings
Switch position:
Switch S1 (location A23)
1
2
3
4
5
6
7
8
on
off
on
off
on
off
on
off
Switch position:
Unit 0, Switch S2 (Location E29)
Unit 1, Switch S3 (Location E9)
Unit 2, Switch S4 (Location A28)
Unit 3, Switch S5 (Location A10)
1
2
3
4
5
6
7
8
9
10
Trunk type:
Loop start
off
on
off
off
on
off
off
off
Ground start
off
on
on
on
on
off
off
off
Metering:
Second pair (M, MM) or
off
off
Third wire, battery on M or
off
on
Third wire, ground on M
on
off
Jumper Settings
Unit 0 jumper (Location E27)
Unit 1 jumper (Location E11)
Unit 2 jumper (Location D29)
Unit 3 jumper (Location D9)
Jumper:
Unit 0
Jumper
Unit 1
Jumper
Unit 2
Jumper
Unit 3
Jumper
600 ¾ resistive impedance
Pin 1 to 2
Pin 1 to 2
Pin 1 to 2
Pin 1 to 2
3-component complex
impedance
Pin 2 to 3
Pin 2 to 3
Pin 2 to 3
Pin 2 to 3