QMS 860, User Manual, Page: 68 / 398

2. Then type
MODE LPT1:,,P
in the AUTOEXEC.BAT file so that print jobs are sent until
the printer accepts them.
3. Reboot the host and try the communication test again.
See chapter 9, “Troubleshooting,” and refer to your DOS
documentation for more information.
Connecting via the Serial Port
Serial communication is best if
■ A parallel port is not available on your host
■ The host is more than 6 feet (approximately 1.8 meters)
but less than 25 feet (approximately 7.5 meters) from the
printer
■ You want the printer to return information to the host
The standard serial cable has a 25-pin male (DB-25) connector on
the printer end and either a 9-pin female connector or a 25-pin
female connector on the host. See appendix A for pinouts.
CAUTION: Turn off both the printer and the host before making
the connection.
Use the following procedure to connect your printer to your host
via the serial port:
Chapter 3
3 - 1 4 P r i n t e r - H o s t I n t e r f a c e