Re: two keyboards, two monitors, two users, one processor?
> From: Britton <fsblk@aurora.alaska.edu>
> On Tue, 24 Feb 1998, Wojciech Zabolotny wrote:
> >
> > On 24 Feb 1998, Carey Evans wrote:
> >
...
> > However using the null modem cable one must be very carefull about power
> > supply! Sometimes it is possible to destroy serial ports, when two
> > computers are connected to the sockets powered from different phases.
> > I've done it :-(.
> > The safest solution is to power both of them right from the same socket.
> >
> > Wojtek Zabolotny
> > wzab@ipe.pw.edu.pl
>
> This is exceedingly odd. As a power engineer in training I would say
> somebody did a really rotten job designing the power supply in one of your
> machines. Was there any other equipment on either of the machines's
> outlets? Poor power regulation aside, I don't see how a phase difference
> affected the serial port. I hope that in general at least this isn't a
> problem.
That sounds like a ground loop problem.
Daniel
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