Replacing The Qpc723A Circuit Card - Nortel Meridian 1 Replacement Manual

Replacing the QPC723A Circuit Card

6 Tag defective equipment with a description of the problem and package
it for return to a repair center.
Use this procedure to replace a QPC723A card in a peripheral equipment (PE)
module.
Module covers are not hinged; do not let go of the cover. Lift the cover
away from the module and set it out of your work area.
Removing equipment
1 Record the on/off status of the LEDs on the faceplate.
2 Software disable the card:
LD 32
STAT l s c
DIS l s c
("l s c" represents loop, shelf number)
You will see "NPR011" on the system terminal when the card is
disabled. Busy channels will not be disabled until the call is
disconnected.
You will see the LED light up when the card becomes disabled.
3 Unhook the locking devices on the card; pull it out of the card cage.
Installing equipment
1 Set option switches on the QPC723A replacement card the same as on
the card you removed.
2 Insert the replacement card into the vacated slot and hook the locking
devices.
3 Depress the SELECT button on the faceplate so that the LEDs match the
LEDs you recorded from the removed card.
Replacing equipment
WARNING
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Hardware replacement