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PC Configuration
To prepare for IBASIC program development, the external PC or terminal must be
configured to operate with the Test Set. This configuration includes
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PC Serial Port Configuration
Connect the Test Set's Serial Port 9 to a serial I/O (input/output) port on the PC.
On many PCs, a serial port is available as either a 25-pin DB-25 (female)
connector or a 9-pin DB-9 (male) connector. This port can be configured as
COM1, COM2, COM3, or COM4 (communications port 1, 2, 3, or 4) depending
on the installed PC hardware and user-defined setup. Refer to the instructions
shipped with the PC for hardware and software configuration information.
Terminal Emulator Configuration Information
A "terminal emulator" is an application program running on the PC that
communicates with one of the serial communication ports installed in the PC. It
provides a bi-directional means of sending and receiving ASCII characters to the
Test Set's serial port.
In general, a "terminal emulator" enables the PC to act like a dedicated computer
terminal. This type of terminal was used before PCs to allow remote users to
communicate through RS232 with central mainframe computers. An ANSI-
compatible terminal like the Digital Equipment Corporation VT-100 can be used
to directly communicate with the Test Set. PC terminal emulation application
programs have been designed to have setup fields much like these older
technology terminals.
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hardware
terminal Emulator Software
Interfacing to the IBASIC Controller using Serial Ports
Chapter 6, IBASIC Controller
279
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