Nortel Meridian 1 Manual page 86

Page 72 of 190 Clearing common equipment faults
Possible cause
Defective CMA
Defective CE card
553-3001-510 Standard 11.00 June 1999
Action
If the memory card passes the test, software disable it, then try to
reenable by entering:
ENL x
If the card will not enable, replace it.
If all memory cards are enabled but the CPU is still faulty, go to the next
possible cause.
Make sure the cable between the CMA cards is securely connected.
Check the status of the CMA on the inactive CPU by entering:
STAT CMA x"x" represents the CMA number.
If the CMA is enabled, test CPUs by entering:
TCPU
If the response is "OK" switch CPUs by entering:
SCPU
If the CPU cannot switch but additional system messages do not indicate
a CMA problem, go to the next possible cause.
If the CMA is disabled or additional system messages indicate a CMA
problem, try to enable the CMA by entering:
ENL CMA x
If the card will not enable, replace it.
If the CMA is enabled but the CPU still will not switch, go to the next
possible cause.
Unseat the CE cards on the inactive CPU, then reinstall them:
— Make sure all CE cables are securely connected, including the cable
between the IF and FN cards.
— Make sure the ROM card is properly installed.
If the CPU is still faulty, continue with this procedure.
(continued)