Avaya Application Solutions platforms

S8700-series fiber-PNC configuration for higher availability

When used with the MCC1 and SCC1 Media Gateways, the S8700-series Server has the following reliability options:

Standard reliability configuration

High reliability configuration

Critical reliability configuration

Standard reliability configuration

The standard reliability option is the most basic option, which consists of the following components:

Two S8700-series Servers

Server-to-IPSI control is not duplicated

One UPS unit for each S8700-series Server. Using two UPS units ensures that a single UPS failure or repair operation does not disable the system.

One IPSI in each IPSI-connected port network

Circuit-switched traffic between port networks is carried on a simplex network that is made up of one Expansion Interface (EI) in each port network. The EIs are cabled with lightguide fiber to either the Center Stage Switch (CSS) or an Asynchronous Transfer Mode (ATM) switch.

Figure 28: S8700-seriesfiber-PNC in a standard reliability configuration on page 93 shows an example of a standard reliability configuration.

92 Avaya Application Solutions IP Telephony Deployment Guide

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Avaya 555-245-600 manual S8700-series fiber-PNC configuration for higher availability, Standard reliability configuration