On Wed, Mar 01, 2000 at 04:17:14PM -0000, Ben A L Jemmett wrote:
> > I see someone on Ebay has a 100 foot serial cable with db25 connectors.
> What could I do with it?
> Not much, if I recall RS232C specs correctly. I don't think it'd be too
> happy with that much cable in there.
>
> For parallel the limit is about 10 ft at most. Serial is longer, but not
> that long. The signal can degrade alarmingly on unshielded cable...
"The RS-232 specification defines the the maximum length of
serial cable to be 75 feet at 9,600 bps. This is a pretty
conservative figure and has been stretched as far as 1,000
feet. How far the limit can be stretched depends on the
brand of terminal and computer you are using."
http://www.uwsg.indiana.edu/edcert/session2/peripheral/rs232.html
R.
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