Avaya ESS User Manual page 34

ESS Overview
Figure 8: Fall-back to Main server
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
cycmsrv3 KLC 031505
34 Avaya Enterprise Survivable Servers (ESS) Users Guide
S8710 Media Server
(Main Server)
PN #4
PN #3
CSS / EI (Fiber)
ATM / ATM-EI (Fiber)
Dup Link
Out of Service
disc COMPACT
1
2
UID
disc
COMPACT
1
2 S8700 ESS Server
UID
(1st Alternative)
PN #5
PN #6
PN #8
PN #7