Avaya ESS User Manual page 32

ESS Overview
The Main server has been restored (see
communicate with the Main server and each ESS server. The Main server is always the highest
priority on any IPSI priority list.
Figure 7: Main server recovery
S8500 ESS Server
(2nd Alternative)
disc
PN #1
PN #2
Port Network Control Link (EAL)
IP Connection into Control Network
Server or Network Failure
VoIP Path
DSIC LInk
cycmsrv2 KLC 031505
32 Avaya Enterprise Survivable Servers (ESS) Users Guide
Figure
S8710 Media Server
(Main Server)
PN #4
PN #3
7). All IPSIs in each Port Network can now
disc COMPACT
1
2
UID
disc COMPACT
1
2
UID
PN #5
CSS / EI (Fiber)
ATM / ATM-EI (Fiber)
Dup Link
Out of Service
S8700 ESS Server
(1st Alternative)
PN #8
PN #6 PN #7