Nortel Meridian 1 Manual page 67

Possible cause
Defective EMSI
card or SMDU
Sysload required
Defective CE card
Defective
backplane
Clearing common equipment faults
Action
Unseat the SMDU and EMSI card then reinstall them. Make sure the
cable between the SMDU and EMSI card is securely connected. If the
system does not recover, continue with this procedure.
If a disabled EMSI card is indicated:
— Make sure the data cartridge is securely attached.
— Check the switch settings; if necessary, correct the switch settings.
— Try to enable the EMSI card (try to software disable, hardware
disable, then reenable).
— If you cannot load a program or the EMSI is still disabled, replace it.
— If necessary, replace the data cartridge.
If a disabled SMDU is indicated:
— Replace it.
— If the SMDU is still disabled, replace the cable between the SMDU
and SMDU card.
If the system does not recover, go to the next possible cause.
Press the reload (reset) button on the ICM card.
If a sysload (reload) occurs, check all fault indicators and clear any faults
indicated.
If the system will not sysload, go to the next possible cause.
Unseat the cards then reinstall them. If the system does not recover,
check the ICM card:
— Make sure the ROM card is properly installed on the ICM card.
— Replace the ICM card.
— If necessary, replace the ROM card.
If the system will not sysload, replace the MSPS card.
If the system does not recover, go to the next possible cause.
Replace the card cage assembly in the module.
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Meridian 1 Fault clearing