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ISDN-TRK (DS1 ISDN Trunk)
Issue 1 June 2005 1451
ISDN-PRI Trunk Service States
Use status trunk grp#/mem# to see DS1 ISDN Trunk service states, as shown in
Table 520: Service States
on page 1451.
Note:
Note: Refer to Troubleshooting ISDN-PRI in Maintenance Procedures (03-300192) for
a layered approach to processing ISDN-PRI problems.
Table 520: Service States
Service State Alarm
1
Possible Cause Possible Solution
out-of-service/NE WRN Trunk is demand busied
out.
Enter release trunk grp#/
mem#.
MIN NPE Crosstalk test (#6)
failed.
Replace DS1/UDS1 circuit pack.
None DS1 or UDS1 circuit
pack or MM710 Media
Module lost its signal.
Is the DS1/UDS1 circuit pack, or
MM710 Media Module, or cable
removed? Is the far-end switch
restarting? Check circuit pack or
media module using procedures in
DS1-BD, UDS1-BD, or MG-DS1.
out-of-service/FE WRN Unadministered far end Administer corresponding trunk on
far-end switch.
WRN 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)
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 lnk#.
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