Appendix

A Technical Notes

Printer ports

Parallel port

The printer has a standard unidirectional, byte-wide parallel, synchronous port. When you use the parallel port, be sure to type this command at the PC (if LPT1 is not available, use LPT2):

MODE LPT1:,,P

The table on the next page shows the parallel port's connected pins. Other pins are not connected. Signal names ending with a dash (-) are asserted low.

User Manual

A-1

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Tektronix 220e, 220i user manual Technical Notes, Printer ports, Parallel port, Appendix