ISDN-TRK (DS1 ISDN Trunk)
Issue 1 May 2002
8-993
555-233-143
Table 8-391.
Test #161 Loop-Around Test
Service State
Alarm
1
1.
ISDN-TRK alarms; alarms against other objects may also be present.
Possible Cause
Possible Solution
out-of-service/NE
Warning
Trunk is demand busied out.
Enter release trunk grp#/mbr#.
Minor
NPE Crosstalk test (#6)
failed.
Replace DS1/UDS1 circuit pack.
None
DS1 or UDS1 circuit pack
lost its signal.
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.
out-of-service/FE
Warning
Unadministered far end
Administer corresponding trunk
on far-end switch.
Warning
The far-end trunk is busied
out.
Check the status of the far-end
switch.
pending-in-service,
pending-maint
None
Maintenance message was
sent and the switch is
waiting up to 2 min. for a
reply from the far end.
Wait 2 minutes and check
service state after the pending
state has cleared.
maint-NE
None
ISDN test call in progress
(test trunk long and test
isdn-testcall commands)
Wait several minutes for test to
finish and check status again.
None
System link has been
busied out by command.
Check link status. Release link
with release link link#.
maint-FE
Warning
Signaling channel has been
down for over 90 sec.
Consult ISDN-SGRP and/or
ISDN-LNK. Far-end signaling
channel may be busied out, or
the far-end switch may currently
be restarting.
Warning
Repeated failure of far end
to respond to messages.
Maintenance software will
periodically try to resend
messages. You can speed the
process with test trunk
grp#/mbr# and/or test
signaling-gr#.
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 ...