Avaya ESS User Manual page 31

Figure 6: Network fragmentation 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
cycmnfr KLC 031505
S8710 Media Server
(Main Server)
PN #4
PN #3
disc COMPACT
1
2
UID
disc COMPACT
1
2
UID
PN #5
CSS / EI (Fiber)
ATM / ATM-EI (Fiber)
Dup Link
Out of Service
ESS failover examples
S8700 ESS Server
(1st Alternative)
PN #8
PN #6 PN #7
Issue 1.1 June 2005 31