Avaya S8700 - Page 1420

Maintenance-Object Repair Procedures
555-233-143
8-698 Issue 1 May 2002
Downgrading from Critical to High Reliability
The strategy this downgrade follows is to change from critical to high reliability.
High reliability is actually duplication of the media server, control network, and
IPSIs without duplicate paths from IPSIs to CSS.
7. change
system-parameters
duplication
Enable PNC duplication by changing the Enable
Operation of PNC Duplication?
field to
y.
8. Physically remove the a-pnc
and b-pnc fiber endpoint
circuit packs
Physically remove EI, SNI, and DS1C circuit packs
associated with the b-pnc.
9. change circuit-pack Un-administer the PNC circuit packs.
10. clear firmware Clear any alarms or errors against those circuit
packs.
11. status pnc Use the status pnc command to ensure that the
PNC is in good health.
Table 8-271. Downgrading from Critical to High Reliability
÷ # Command/Step Description
1. status pnc Check to see if A-side is active. If not:
a. Resolve any alarms against
a-pnc.
b. reset pnc-interchange to
activate a-pnc.
2. busyout pnc-standby Busyout the standby PNC.
3. change system-parameters
duplication
Disable PNC duplication by changing the
Enable Operation of PNC
Duplication?
field to n.
4. list fiber Lists administered fiber connections by
number.
Continued on next page
Table 8-270. Removing Fiber Connectivity to an PN — Continued
÷ # Command/Step Description
Continued on next page