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Appendix A – Preprogrammed data Page 291 of 332
Option 11C Mini Planning and Installation Guide
SDI ports
The minimum system port configuration for Option 11C Mini is 3 SDI ports,
all of which are on the NTDK97 MSC card.
You can get additional ports by installing an NTAK02 SDI/DCH circuit card.
The SDI/DCH card has 4 serial I/O ports with three possible configurations:
• 2 asynchronous ESDI ports with 2 DCHI ports
• 2 synchronous ESDI ports
• 2 SDI ports
Table 83 shows the default SDI port configuration. The value for “XX” is set
on the faceplate of the MSC circuit card.
Table 83
Preconfigured SDI ports
Modem port
The preconfigured modem port allows the remote maintenance modem to be
connected without additional system programming. This port is
preconfigured as TTY 0 (port 0 on the MSC card) and is programmed for
Maintenance (MTC), Service Change (SCH), and BUG messages.
TTY Number Card Port Use Configuration
0 0 0 MTC/SCH/BUG XX/8/1/NONE
1 0 0 MTC/SCH/BUG 1200/8/1/NONE
2 0 1 MTC/SCH/BUG 1200/8/1/NONE
8 10 0 LSL 1200/8/1/NONE
9 10 1 CMS 4800