Avaya 03-300430 User Manual

Page of 2574
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 
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