Avaya 03-300430 User Manual

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.

8.

Enable PNC duplication by changing the 

Enable Operation of PNC 

Duplication field to y.

9.

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.

10.

Un-administer the PNC circuit packs.

11.

Clear any alarms or errors against those 

circuit packs.

12.

Use status pnc to ensure that the PNC is 

in good health.

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1.

Check to see if A-side is active. If not:

1. Resolve any alarms against a-pnc.

2. reset pnc-interchange to activate 

a-pnc.

3.

Busyout the standby PNC.

4.

Disable PNC duplication by setting the 

Enable Operation of PNC 

Duplication field to n.

5.

Lists administered fiber connections by 

number.

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