Nortel Networks 1000M - Manual (Page 298)

298 Survivability
no longer connected to the Main Cabinet or Chassis. This is referred
to as survival mode.
• Normal mode is when the local resources of an IP Expansion Cabinet
or Chassis are controlled by the Call Processing of the Main Cabinet
or Chassis.
Required software
Survivability is available for any IP Expansion Cabinet or Chassis with CS
1000 Release 4.5 software.
Description
Figure 131
Small System Survivability
Survivability License
The number of survivable cabinets or chassis in a system is defined by a
License parameter labeled SURVIVABILITY. The Survivability parameter
is keycode activated.
Database synchronization between the Main Cabinet or Chassis and an
IP Expansion Cabinet or Chassis occurs with a datadump from the Main
Cabinet or Chassis, or with an IP Expansion Cabinet or Chassis startup
in normal mode.
Nortel Communication Server 1000
Communication Server 1000M and Meridian 1 Small System Installation and Commissioning
NN43011-310 01.04 Standard
Release 5.0 13 May 2008
Copyright © 2008, Nortel Networks
.