Avaya ESS User Manual

ESS failover examples
Issue 1.1 June 2005 43
Figure 14: CSS with DS1C - remote takeover
CSS
UID
2
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0
1
1
0
3
2
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2
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COMPACT
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UID
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COMPACT
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S8710 Media Server
(Main Server)
PN #1
PN #2
PN #3
PN #4
cycmcss4 KLC 031505
disc
S8500 ESS Server
(1st Alternative)
Remote site
becomes isolated
PSTN resources
in Remote PN
provides service
DS1C link
Out of Service
CSS / EI (Fiber)
ATM / ATM-EI (Fiber)
Dup Link
Port Network Control Link (EAL)
IP Connection into Control Network
Server or Network Failure
VoIP Path
DSIC LInk

Avaya ESS Specifications

General

Brand	Avaya
Model	ESS
Category	Server
Language	English