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ATM-BCH (ATM B-Channel Trunk)
Issue 1 June 2005 509
B-Channel Alarms
The Maintenance/Far-End and Out-Of-Service/Far-End states generate warning alarms
displayed with status trunk grp#/mem#.
Table 158: 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 WRN Trunk busied out Release the port (release trunk
grp#/mem#).
MIN 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 WRN Unadministered far
end
Administer the corresponding trunk on
the far-end switch.
WRN 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 WRN Signaling channel
down for over 90
sec.
See ATM-SGRP (ATM Signaling
Group) on page 598 or ATM-DCH (ATM
D-Channel Port) on page 522.
WRN Repeated lack of
response to
messages sent to
the far end
Wait. Maintenance software resends
messages periodically. Or run test
trunk grp#/mem# or test
signaling-grp grp#.
WRN 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