Newsgroups: comp.robotics
Path: brunix!cat.cis.Brown.EDU!agate!ames!enews.sgi.com!wdl1!mail!cps233!dombrows
From: dombrows@lds.loral.com (Brian Dombrowski, 5424)
Subject: Re: Long Serial I/O Lines < Don't Use RS-2
Message-ID: <1994Jul6.123011.10414@lds.loral.com>
Sender: news@lds.loral.com
Reply-To: dombrows@lds.loral.com
Organization: Loral Data Systems
References: <2vc8me$d8h@panix.com>
Date: Wed, 6 Jul 1994 12:30:11 GMT
Lines: 25

In article d8h@panix.com, jeffj@panix.com (Jeff Jonas) writes:
> In article <Cs7zrB.FuA@chinet.chinet.com> drx@chinet.chinet.com (Scott Whittle) writes:
> >>You can, and we have run rs232c over a mile. The problem is that the longer
> >^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
> >Sure you can.  Just wait till an electrical storm comes.  that Nice long
> >wire will eventually blow out the drivers on either end.  Your destruction
> >mileage will depend on intensity of the storm.  It may not happen for some time
> >but IT will happen.  
> 
> Okay then, let me pipe up in favor of fiber optic.
> There are Rs232 to fiber optic 'modems' about the size of
> a pack of cigarettes that go to high speeds, but I don't think
> they're reasonably priced yet.
> The major cost would still be the fiber and even with the fiber optic
> splice kits, repairs would be a major hassle.
> 

Hmmm...
A fiber link to update the score on a little league baseball 
score board.  Sounds like a bit of overkill to me, but maybe
you can sell the spare bandwidth to the phone company ;-)




