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Maintenance-Object Repair Procedures
555-233-143
8-170
Issue 1 May 2002
B-Channel Alarms
The Maintenance/Far-End and Out-Of-Service/Far-End states generate warning
alarms displayed with status trunk grp#/mbr#.
Table 8-68.
ATM-BCH alarms by service state
Service state
Alarm
1
1.
ATM-BCH alarms; alarms against other MOs may also be present.
Possible cause
Possible solution
Out-of-Service/NE
Warning
Trunk busied out
Release the port (release trunk
grp#/mbr#).
Minor
NPE Crosstalk test (#6)
failed
Replace ATM circuit pack.
None
ATM circuit pack lost
signal or there is a
circuit pack problem.
Install circuit pack or cable. Check
circuit pack using procedures in
ATM-BCH. Check far-end switch
status.
Out-of-Service/FE
Warning
Unadministered far end
Administer the corresponding trunk
on the far-end switch.
Warning
Far-end busied out
Check the status of the far-end
switch.
Pending/In-Service
Pending/Maint
None
Maintenance message
timed out waiting for
reply
Wait 2 minutes after the pending
state clears, and check the service
state.
Maint/NE
None
ISDN test call in
progress (test trunk
long)
Wait for the test to finish and recheck.
None
System link busied out
Check link status. Run release link
link#.
Maint/FE
Warning
Signaling channel down
for over 90 sec.
See
or
Warning
Repeated lack of
response to messages
sent to the far end
Wait. Maintenance software resends
messages periodically. Or run test
trunk grp#/mb# or test
signaling-grp grp#.
Warning
The far-end trunk is
being tested.
Check status of the far-end switch.
Wait for testing to finish.
In-Service
None
Normal operating state
Continued on next page
Summary of Contents for S8700 Series
Page 50: ...Maintenance Architecture 555 233 143 1 26 Issue 1 May 2002 ...
Page 74: ...Initialization and Recovery 555 233 143 3 12 Issue 1 May 2002 ...
Page 186: ...Alarms Errors and Troubleshooting 555 233 143 4 112 Issue 1 May 2002 ...
Page 232: ...Additional Maintenance Procedures 555 233 143 5 46 Issue 1 May 2002 ...
Page 635: ...status psa Issue 1 May 2002 7 379 555 233 143 status psa See status tti on page 7 406 ...
Page 722: ...Maintenance Commands 555 233 143 7 466 Issue 1 May 2002 ...