On 3/7/07, Bob Axtell <engineer@neomailbox.com> wrote:
> Orhan Gazi wrote:
> > Hello All,
> >
> >   I wonder how long could  the maximum serial communication distance be between two pic16f628a, and also how long can the maximum distance be for serial communication between a pic16f628 and a computer rs232 port.
> >
> >   Many thanks
> >   Orhan
> >
> >
> > ---------------------------------
> > Be a PS3 game guru.
> > Get your game face on with the latest PS3 news and previews at Yahoo! Games.
> >
> For RS232C, about 100' (30 meters). For RS232C using special
> low-capacitance cables, perhaps to 50 meters
> at 9600baud.
>
> If you use RS422/RS485, you can easily send 9600baud a mile or more.
>

RS232 2400bps 900m tested
RS232 19kbps CAT5 cable, 100m tested
RS485 1Km without repetor, theoretically any distance with repeaters
at every 800m and twisted cable.

Vasile
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