On 12/25/2016 11:11 AM, Gene Heskett wrote: > On Saturday 24 December 2016 15:59:31 Chris Albertson wrote: > >> Read the little write up at the Mesa site about cable length. They >> claim ribbon cable is the worst and to only use it for very short >> runs, 2 or 3 feet at most. They suggest using "real" parallel >> cables made with twisted pairs and shielding for longer runs. Using >> one of their fancy IEEE cables you can go up to 25 or 30 feet, half >> that with a normal round cable and half that again with ribbon cable. >> > I have made up a number of special-purpose cables for interfacing parallel ports to things, including the HPIB bus. You can take the twisted-pair ribbon cable and hand-wire the signals and grounds to appropriate pins, and get excellent operation up to 25 or more feet. Every signal gets a pair of wires, one signal and one ground. But, making these is tedious.
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