Nortel Networks 1000 - Manual (Page 919)

Memory 919
Figure 261
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
Nortel Communication Server 1000
Circuit Card Reference
NN43001-311 02.06 Standard
27 August 2008
Copyright © 2003-2008 Nortel Networks
.