Got this long ago when I still did EE projects. It's a box that lets you switch between 4 DB25 ports (parallel, LPT, or old-school wide serial ports). Free to anyone that can use it, or you can take it apart and use the many pole rotary switch inside.
Stanford, California
Sat, Feb 28, 2026, 10:14 PM - Updated
Free: parallel/serial port switch@stanford.edu
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Date: Fri, Jul 26, 2013, 04:26 PM
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