Avaya S8700 Maintenance Manual page 910

Maintenance-Object Repair Procedures
Replacing an ATM-EI Circuit Pack
Standard Reliability
1. Enter busyout atm pnc # (this is service-affecting) at the SAT.
2. Replace the ATM PNC circuit pack, and reconnect the fiber.
3. Enter release atm pnc.
4. Wait 2½ minutes for board insertion.
5. Enter list sys-link to verify that the links are up.
6. Enter test board UUCSS, and verify that every test passes.
Duplex or High Reliability
There is 1 ATM-EI circuit pack in each EPN.
1. Enter busyout atm pnc # at the SAT.
2. Replace the circuit pack.
3. Enter release atm pnc.
4. Wait 2½ minutes for board insertion.
5. Enter list sys-link to verify that the links are up.
6. Enter test board UUCSS, and verify that every test passes.
Critical Reliability
There are 2 ATM-EI circuit packs in each EPN.
1. Enter status pnc at the SAT. If the board is on the active side, enter reset
pnc interchange to switch the active ATM-EI board to the standby side.
2. Enter busyout pnc-standby.
3. Enter busyout atm pnc # a-pnc or b-pnc.
4. Replace the circuit pack.
5. Enter release atm pnc #.
6. Enter release pnc-standby.
7. Wait 2½ minutes for board insertion.
8. Enter test board UUCSS, and verify that every test passes.
8-188 Issue 1 May 2002
NOTE:
If the ATM-EI is in an EPN, this is service-affecting.
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