Qpc525, Qpc526, Qpc527, Qpc777 Co Trunk Card - Nortel Circuit Card Installation Manual

QPC525, QPC526, QPC527, QPC777 CO Trunk card

Application
Zero ohm outpulsing
Standard outpulsing
Ground start
Loop start
Loop start, automatic guard detection
PPM daughterboard not installed
PPM daughterboard installed
Battery on M operation
Ground on M operation
Second pair M&MM
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.
Option settings
Switches at E29/E9/A29/A11 Units 0/1/2/3
1 2 3
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off on
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Circuit Card
Page 145 of 906
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Description and Installation
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