There really is something you could do with a 100-foot long serial cable.
Probably the most common use for them was to connect the old noisy
daisy-wheel impact printers to the computer that would send out the print
jobs. Those computers, especially the really good and fast ones, those
60-pound plus monsters like the NEC 3515 or 3550, or similar models from
companies like IBM, Hermes, and other companies. Those beasts, even when
nested inside large heavy cabinets with thick sound-deadening materials all
around, made a huge amount of racket. A 100-foot-long serial cable meant
that you could shut the beast up in a closet down the hall and still send
your print jobs to it. The closet, the sound box, and the distance from the
main work area all helped to reduce the cacophony to a dull roar over which
one could still talk, hear the telephone ring, and think without incurring a
pounding headache. Yes, most of those big daisy-wheel printers had both a
serial and a parallel interface. Remember, with those old daisy-wheel
printers, we're talking rather low numbers of characters per second, not
pages per minute.
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Brent Reynolds, Atlanta, GA USA
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