Qpc528 Co/Fx/Wats Trunk Cards - Nortel Circuit Card Installation Manual

QPC528 CO/FX/WATS Trunk cards

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