DEFINITY Enterprise Communications Server Release 7
Maintenance for R7r
555-230-126
Issue 4
June 1999
Maintenance Object Repair Procedures
9-1385SNC-BD (Switch Node Clock Circuit Pack)
9
Critical Reliability System (Duplicated SPE and
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.
STEPS:
Enter status pnc Verify that the component to be replaced is on the standby PNC.
Enter busyout pnc
Enter busyout board
UUCSS
UUCSS represents the cabinet-carrier-slot address of the circuit pack
to be replaced.
Replace the circuit pack
Enter release board
UUCSS
!
CAUTION:
Do not busyout any Expansion Interface circuit pack after
this point.
Enter test alarms long
clear for category
exp-intf
Wait 5 minutes for SNI-BD,
SNI-PEER, FIBER-LK, and
DS1C alarms to clear, or
enter clear firmware
counters <a-pnc or
b-pnc>
Use the letter designation of the pnc which holds the replaced
component (the standby pnc).
Enter status pnc If either PNC state-of-health is not "functional", consult the ‘‘PNC-DUP
(PNC Duplication)’’ section.
Enter release pnc
