Demand test descriptions and error codes - Avaya Support

Replacing an EI Circuit Pack—Unduplicated PNC
WARNING: Do
WARNING: Replacing
not power down a Switch Node carrier to replace a circuit pack.
a Switch Node Interface, Switch Node Clock, Expansion Interface, or
DS1 Converter circuit pack in a standard-, duplex-, or high-reliability system
disrupts service. This service effect can range from an outage of a single PN to
an outage of the entire system.
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.
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.
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 status pnc. Verify that the component to be replaced
is on the standby PNC.
440 Maintenance Alarms for Communication Manager, Media Gateways and Servers
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