Lucent Technologies Release 7 User Manual
DEFINITY Enterprise Communications Server Release 7
Maintenance for R7r
Maintenance for R7r
555-230-126
Issue 4
June 1999
Maintenance Object Repair Procedures
9-797
EXP-INTF (Expansion Interface Circuit Pack)
9
Replacing an EI Circuit Pack— Duplicated PNC
!
WARNING:
On a system with duplicated PNC, synchronization may be provided over a
combination of active and standby components. This condition is indicated
by an OFF-BOARD WARNING alarm against TDM-CLK with error type
2305. Repairs to standby PNC in this state may disrupt service. Otherwise,
if the active PNC is functional, replacement of a standby component will not
disrupt service.
combination of active and standby components. This condition is indicated
by an OFF-BOARD WARNING alarm against TDM-CLK with error type
2305. Repairs to standby PNC in this state may disrupt service. Otherwise,
if the active PNC is functional, replacement of a standby component will not
disrupt service.
6.
Wait 5 minutes for SNI-BD, FIBER-LK
AND DS1 CONV-BD alarms to clear,
or enter clear firmware counters
a-pnc
AND DS1 CONV-BD alarms to clear,
or enter clear firmware counters
a-pnc
Step
Action
Explanation/Caution
1.
Enter status pnc
Verify that the component to be replaced is on
the standby PNC.
the standby PNC.
2.
Enter busyout pnc
3.
Enter busyout board UUCSS
UUCSS represents the cabinet-carrier-slot
address of the circuit pack to be replaced.
address of the circuit pack to be replaced.
4.
Replace the circuit pack
5.
Enter release board UUCSS
CAUTION:
Do not busyout any Expansion
Interface circuit pack after this point.
6.
Enter test alarms long clear for
category exp-intf
category exp-intf
7.
Wait 5 minutes for SNI-BD, SNI-PEER,
FIBER-LK, and DS1 CONV alarms to
clear, or enter clear firmware
counters <a-pnc or b-pnc>
FIBER-LK, and DS1 CONV alarms to
clear, or enter clear firmware
counters <a-pnc or b-pnc>
Use the letter designation of the pnc that holds
the replaced component (the standby pnc).
the replaced component (the standby pnc).
8.
Enter status pnc
If either PNC state-of-health is not “functional,”
consult the
consult the
‘‘PNC-DUP (PNC Duplication)’’
section.
9.
Enter release pnc
Continued on next page
Step
Action
Explanation/Caution
Continued on next page