Nortel 1000E Maintenance Manual page 84

84 Clearing faults
Condition
Red LED on SSC card
Red LED on circuit card
and system message
LED is red on circuit card
Two or more units on a
circuit card are disabled
System message indicating
the circuit card or units on
it are disabled
Copyright © 2007, Nortel Networks
.
Possible cause
Defective NTDK20 SSC
card in MG 1000E
Improperly installed
NTTK25 software
daughterboard
Improperly installed
NTDK83 IP daughterboard
Defective NTDK83,
NTDK99 daughterboard
Defective Media Gateway
or Expander
Card circuitry latched
Defective circuit card
Nortel Communication Server 1000
Communication Server 1000E Maintenance
NN43041-700 01.02 Standard
Release 5.0 20 June 2007
Action
Disable the MG 1000E by entering:
LD 32
DISS l s (where l s are the MG
1000E loop and shelf numbers)
Replace the SSC card.
Enable the MG 1000E by entering:
LD 32
ENLS l s (where l s are the MG
1000E loop and shelf numbers).
Power down the system, remove the
NTDK20 SSC card.
Unseat the software daughterboard
and reseat it.
Reinsert the NTDK20 SSC circuit
card. Power up the system.
Power down the system, remove the
NTDK20 SSC card.
Unseat the daughterboard and reseat
it.
Reinsert the NTDK20 SSC circuit
card. Power up the system.
Unseat the NTDK20 SSC circuit card
and replace the daughterboard.
Reinsert the NTDK20 SSC circuit
card.
Replace the defective Media Gateway
or Expander.
Disable the card. Unseat and reseat
it and then reenable the card.
If the fault persists, go to the next
possible cause.
Enable the circuit card by entering:
LD 32
ENLC l s c u (where l s c u
represents the card number)
If the fault persists, replace the
affected circuit card.