Date   : Wed, 25 Mar 2009 11:10:23 +0000
From   : robert@... (Rob)
Subject: Fwd: BBC B to PC serial cable

2009/3/25 Pete Turnbull <pete@...>:
> I think you're mixing up RS232 and RS423. ?Max length often quoted for
> RS232 is 50 feet or 15m but the old standard actually said 45 feet as
> guaranteed distance and that the real limitation was on cable
> capacitance: you should expect to go much further with decent cable
> rather than lighting flex.

Much much further...  Obviously not Beeb based, but we used to use
RS232 for terminals and would typically run them the entire length of
a building, several hundred meters, with the ups and downs..  Only in
exceptional circumstances did we need to drop any lower than 38,400
baud - lots ran at 115,200..