Nortel Circuit Card Installation Manual page 812

Page 812 of 906
553-3001-211 Standard 3.00
NTDK20 Small System Controller card
The NTDK20GA SSC card has the following components and features:
• NTTK25 daughterboard Flash memory, NTAK19 SIMM module
(16 MB) DRAM, and Backup memory
Note: The NTTK13 daughterboard is still supported.
• up to two 100BaseT IP daughterboards
• two PCMCIA sockets
• three Serial Data Interface (SDI) ports
• 32 channels of Conferencing (64 if one dual-port 100BaseT IP
daughterboard is present, or 96 if two dual-port 100BaseT IP
daughterboards are present)
• one 10BaseT port
• 30 channels of Tone and Digit Switch (TDS) and a combination of eight
Digitone Receivers (DTR) or Extended Tone Detectors (XTD)
• additional tone service ports (four units of MFC/MFE/MFK5/MFK6/
MFR or eight DTR/XTD units)
August 2005