Nortel DMS-100 Series Maintenance Manual page 423

Clearing an SMS alarm
Alarm condition
Major
(continued)
Possible cause
A C-side card has faults.
Power converter card has
faults.
—continued—
DMS-100 Family SMS Maintenance Manual XPM10 and up
Troubleshooting chart 10-3
Action
Proceed as follows:
1 Silence the alarm.
2 Identify the SMS unit in
the ISTb condition.
3 Post the SMS unit in the
ISTb condition.
4 Identify the problems with
the posted SMS unit.
5 Busy and test the posted
SMS unit.
6 Return to service the
posted SMS unit.
Proceed as follows:
1 Silence the alarm.
2 Identify the SMS unit in
the ISTb condition.
3 Post the SMS unit in the
ISTb condition.
4 Identify the problems with
the posted SMS unit.
5 Busy and test the posted
SMS unit.
6 Return to service the
posted SMS unit.