Nortel DMS-100 Series Maintenance Manual page 246

8-4 Troubleshooting chart
Table 8-1 Star Hub alarm clearing (Sheet 3 of 3)
Alarm
Condition Possible cause
Minor RG circuit has failed.
Activity mismatch
Data error
Diagnostic failure
Load file mismatch
Self-test failure
More complete troubleshooting methods for Star Hub alarms are provided in
"Star Remote System alarm clearing procedures."
297-8353-550 Standard 05.01 March 2001
Action
Identify and post the ISTb Star Hub.
Identify fault indicators with QUERYPM
FLT command.
If Star Hub is Cbsy, identify C-side links to
the host PM.
Post the host PM for P-side links with
faults.
Busy, test, and RTS the P-side links with
faults.
Post, busy, test, and RTS the Star Hub
with faults.
If Star Hub unit is SysB, busy and test the
Star Hub unit with faults.
If the test fails with card list, replace any
cards. Test and RTS the Star Hub unit
with faults.
If the test fails with no card list, re-test and
RTS the Star Hub unit with faults.
If the Star Hub is ManB, test the Star Hub
unit with faults.
If the test fails with a card list, replace any
faulty cards. Test and RTS the Star Hub
unit with faults.
If the test fails with no card list, re-test and
RTS the Star Hub unit with faults.