I've done this at the TTL level, and it works fine. 
Have not done it using full swing of the RS232 tho.


--- Vic Fraenckel <victorf@windreader.com> wrote:
> I have a need to distribute a single RS232 port
> (TXD, RXD, GND only) to one 
> of four peripherals depending on certain conditions.
> This would be to ONLY 
> one at a time. My idea is to use a 4052 multiplexer
> to do this. This devioce 
> is a dual 4 port multiplexer and I would configure
> it with the TXD on one 
> port and RXD on the other and then, using the S0 and
> S1 select lines, to 
> distribute the signals to the desired output. Is
> this a feasible thing to 
> do? If not, is there a better solution that is
> doable?
> 
> Any enlightenment will be appreciated.
> 
> TIA
> 
> Vic
>
________________________________________________________
> 
> Victor Fraenckel - The Windman
> victorf ATSIGN windreader DOTcom
> KC2GUI
> 
> 
> 
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