Avaya Definity SI Maintenance Manual page 1769

ISDN-TRK (DS1 ISDN Trunk)
Table 10-354. ISDN-PRI Trunk Service States (Test #161 Loop Around Test)
Service State
out-of-service/NE
out-of-service/FE
pending-in-service,
pending-maint
maint-NE
maint-FE
in-service
555-233-123
Alarm* Possible Cause
Warning Trunk is demand busied out.
Minor NPE Crosstalk Test (#6)
failed.
None DS1 or UDS1 circuit pack
lost its signal.
Warning Unadministered far-end
Warning The far-end trunk is busied
out.
None Maintenance message was
sent and the switch is
waiting up to 2 min. for a
reply from the far-end.
None ISDN test call in progress
(test trunk long and test
isdn-testcall)
None System link has been busied
out by command.
Warning Signaling channel has been
down for over 90 sec.
Warning Repeated failure of far end
to respond to messages.
Warning The far-end trunk is being
tested.
None Normal operating state
Possible Solution
Enter release trunk
grp#/mbr#.
Replace DS1/UDS1
circuit pack.
Is the DS1/UDS1 circuit
pack or cable removed?
Is the far-end switch
restarting? Check circuit
pack using procedures in
DS1-BD or UDS1-BD.
Administer corresponding
trunk on far-end switch.
Check the status of the
far-end switch.
Wait 2 minutes and check
service state after the
pending state has
cleared.
Wait several minutes for
test to finish and check
status again.
Check link status.
Release link with release
link link#.
Consult ISDN-SGR
and/or ISDN-LNK.
Far-end signaling channel
may be busied out, or the
far-end switch may
currently be restarting.
Maintenance software will
periodically try to resend
messages. You can
speed the process with
test trunk grp#/mbr#
and/or test signaling-gr
#.
Check status of the
far-end switch. Wait for
testing to finish.
Continued on next page
Issue 4 May 2002 10-983