Nortel Meridian 1 Planning, Installation And Operating Instructions page 30

Chapter 2 — Equipment identification Page 11 of 536
NTDK21AA
The NTDK21AA Software Daughterboard is compatible with Release 1 and
Release 2 Compact software. It provides 24 Mbytes of program store
memory.
NTDK81AA
The NTDK81AA Software Daughterboard is compatible with Release 1.01
(or later) and Release 2 Compact software. The NTDK81AA provides 32
Mbytes of program store memory, and 8 Mbytes of file system memory.
Security Device
The NTMW01 SSC card is equipped with a socket designed to accommodate
the Security Device shipped with each new Option 11C Compact system. The
Security Device is normally not attached to the SSC card when it is shipped.
It must be attached to the SSC card during initial installation procedures.
PCMCIA interface
The NTMW01 SSC card has a 2-slot PCMCIA interface socket located on its
faceplate. The socket can accommodate a Software Delivery card used
primarily for software upgrades. It can also be used for creating an external
backup copy of the customer data base.
NTDK22 Fiber Expansion Daughterboard
The Main cabinet can be connected to one or two expansion cabinets by
mounting NTDK22 Fiber Expansion daughterboards on the NTMW01 SSC
card. Each expansion daughterboard provides an additional 16 channels of
conferencing capabilities.
SDI ports
The NTMW01 SSC card contains three SDI ports used to connect on-site
terminals or remote terminals through a modem.
Port 0 is ASCII, 8 bit asynchronous serial port with programmable parity. It
supports 300, 600, 1200, 2400,4800, 9600 and 19200 baud rates which are set
using the switches located on the front of the SSC card.
Ports 1 and 2 are set using overlay programs can be configured according to
the following parameters:
• baud rate: 300, 600, 1200, 2400, 4800, 9600 and 19200
Option 11C Compact Planning, Installation, Fault Clearing and CCBR Guide