Nortel Networks Circuit Card 311 - Manual (Page 1019)

Memory 1019
Figure 285
NTDK20 SSC card and expansion daughterboard in the Call Server
Memory
The majority of system and customer configured data is both controlled and
stored on the NTDK20 SSC card’s Flash ROM. An active and backup copy
of customer data is also kept on the Flash ROM.
In the event of data loss, the NTDK20 SSC card also retains a copy of
customer files in an area called the Backup flash drive. The NTDK20 SSC
card is equipped with 8MB of temporary memory space called DRAM.
DRAM functions much like RAM on a computer system. It stores and
Nortel Communication Server 1000
Circuit Card Reference
NN43001-311 01.04 Standard
Release 5.0 23 May 2008
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