Example 5: Css With Ds1C - Avaya ESS User Manual

Example 5: CSS with DS1C

In example 5, Port Network 4 is remotely connected to the CSS using a DS1C. Port Network 4
is equipped with Public Switched Telephone Network resources. There is an IPSI board in each
Port Network.
Figure 13: CSS with DS1C - normal operation
PN #1
S8710 Media Server
(Main Server)
disc COMPACT
disc COMPACT
PN #2
CSS
PN #3
1
2
UID
S8500 ESS Server
(1st Alternative)
1
2
UID
disc
DS1C link
Port Network Control Link (EAL)
IP Connection into Control Network
Server or Network Failure
VoIP Path
DSIC LInk
ESS failover examples
PN #4
Remote site
CSS / EI (Fiber)
ATM / ATM-EI (Fiber)
Dup Link
Out of Service
cycmcss3 KLC 031505
Issue 1.1 June 2005 41