On Friday, September 6, 2002, Davison, Lee wrote:
>
> > That's not true. Serial cable can go for a good many feet before
> > the signal breaks down (someone should pipe in with actual data ;)
>
> 450 feet at 9600 bps through multi strand sheilded cable. This was between
> two buildings and ran through a drain to get under a road. 19200 bps was
> tried but was error prone. dropping the speed to 9600 bps worked.
100 feet at 115200 bps through three unshielded wires, wrapped around a
three-foot-tall Jacob's ladder apparatus enclosed in plexiglass. No bit
errors. We gave up and decided to build a device to simulate bit errors.
--
Jeffrey Sharp
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Received on Thu Sep 12 2002 - 16:21:15 BST