Hello Mark,

  ML> i've installed quite a bit longer in extreme cases... yes,
    > parallel... i believe the longest was 50 feet... in an office,
    > up over the ceiling tiles and down to the laser printer...
    >
    > granted, it was "special" cable... "special"
in that it was of
    > very high grade, extremely well shielded, and very heavy...

Don't try this at home kids ;-)  I generally avoid long parallel cables
wherever possible.  Here's my standard PLIP cable wiring for what that's
worth.  PLIP works in nybble mode, and ISTR this cable works with
Interlink, DCC etc. too.

      D0   2  -----\/-----  2   D0
  /Error  15    15  /Error

      D1   3  -----\/-----  3   D1
  Select  13    13  Select

      D2   4  -----\/-----  4   D2
    POut  12    12  POut

      D3   5  -----\/-----  5   D3
    /Ack  10    10  /Ack

      D4   6  -----\/-----  6   D4
    Busy  11    11  Busy

     Gnd  25  ------------  25  Gnd

Pins 18-25 are all ground, and could be connected straight across.  I think
it's more common to connect a single ground reference on these cables
though.

- Andy Ball

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