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Communication Manager Maintenance-Object Repair Procedures
1190 Maintenance Procedures for Avaya Communication Manager 3.0, Media Gateways and Servers
Replacing an EI Circuit Pack— Duplicated PNC
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.
Step Action Explanation / Caution
1. Enter busyout board
location.
location = cabinet-carrier-slot location of the
circuit pack to be replaced.
2. Replace the circuit pack.
3. Wait for the circuit pack to reset. Red and green LEDs light and then go out.
If the red LED remains lit, see the previous note
under Expansion Interface LEDs
on page 1185.
4. Enter release board
location.
CAUTION: Do not busyout any EI circuit packs
after this point.
5. Enter test alarms long
clear for category exp-intf.
6. Wait 5 minutes for SNI-BD,
FIBER-LK, and DS1C-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.
2. Enter busyout pnc.
3. Enter busyout board location. location represents the
cabinet-carrier-slot location of the circuit
pack to be replaced.
4. Replace the circuit pack.
5. Enter release board location. CAUTION: Do not busyout any EI circuit
packs after this point.
6. Enter test alarms long clear for
category exp-intf.
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