Ntdk20 Small System Controller Card; Memory - Meridian Nortel 1 Option 11C Technical Reference Manual

Nortel networks network system technical reference guide
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NTDK20 Small System Controller card

Memory

553-3011-100
Standard 14.00
System Controller cards
These cards are:
the NTDK20 Small System Controller card used with Option 11C and
Option 11C Mini
the NTDK97 Mini System Controller card (MSC) card used exclusively
with Option 11C Mini when one main chassis and one chassis expander
(only) are connected.
The NTDK20 Small System Controller (SSC) card is used with the
Option 11C and Option 11C Mini in an IP Expansion system. It controls call
processing, stores system and customer data, and provides various expansion
interfaces (see Figure 22 on page 215). The NTDK20 SSC card is comprised
of the following components and features:
Flash daughterboard memory, DRAM and Backup memory
Two expansion daughterboard interfaces
One PCMCIA socket
Three Serial Data Interface (SDI) ports
32 channels of Conferencing (64 if two single port Expansion
Daughterboards are present, or 96 if two dual port Expansion
Daughterboards are present)
One Ethernet (10 Mbps interface) port
30 channels of tone and digit switch (TDS) and a combination of eight
Digitone receivers (DTR) or dial tone detectors (XTD)
Networking and Peripheral Signalling
Additional tone service ports (four units of MFC/MFE/MFK5/MFK6/
MFR or eight DTR/XTD units)
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.
January 2002

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