Avaya ESS User Manual page 24

ESS Overview
Figure 1: S8710 Media Server with ESS servers in normal operation
S8500 ESS Server
disc
PN #1
PN #2
Port Network Control Link (EAL)
IP Connection into Control Network
Server or Network Failure
VoIP Path
DSIC LInk
cycmsrv3 KLC 031505
24 Avaya Enterprise Survivable Servers (ESS) Users Guide
(2nd Alternative)
PN #4
PN #3
S8710 Media Server
(Main Server)
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