Ntnd10, Qpc581 Changeover And Memory Arbitrator Card - Nortel Meridian 1 Replacement Manual

NTND10, QPC581 Changeover and Memory Arbitrator Card

2 Test the CPU:
TCPU
a If there is a problem with one of the memory cards, a CED system
message is generated and the red LED lights on the faceplate of the
card.
b If there is no problem, exit LD 35:
****
3 Tag defective equipment with a description of the problem and package
it for return to a repair center.
Use this procedure to replace a changeover and memory arbitrator (CMA)
card.
See the X11 Administration (553-3001-311) for a description of all
maintenance commands, and the X11 System Messages Guide
(553-3001-411) for interpreting system messages.
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.
At some point in this procedure the system may initialize, causing a
momentary interruption in call processing.
Replacing equipment
WARNING
CAUTION
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Hardware replacement