MFJ-1270C/1274C COMPUTER INTERFACING
Page 15
Radio Shack Color Computer
There are several terminal programs available for the Color Computer. You will
probably want to use a commercial program (rather than writing your own) since
the Color Computer has a "software UART" that is difficult to program in
BASIC.
Some of the terminal programs available are COLORCOM 64, AUTOTERM
and RICKEYTERM (for Coco III). Others are WIZ and XTERM for OS-9.
Radio Shack Model 100/102 and NEC 8201
These computers have built-in terminal programs in ROM. Consult your
computer's documentation for instructions in their use.
MFJ TNC Serial Port Pin Functions
This section describes the pins used on the MFJ TNC RS-232C serial port
connector. It is intended for users with special applications requiring hardware
handshaking. This information should not be needed by most users.
Pin # Mnemonic Name
1 FG Frame Ground
2 TXD Transmit Data
3 RXD Receive Data
4 RTS Request To Send
5 CTS Clear To Send
6 DSR Data Set Ready
7 SG Signal Ground
8 DCD Data Carrier Detect
9 + 12V unregulated reference
10 - 12V unregulated reference
Table 2-4. RS-232C Pin Designations
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