alan smith wrote:
> 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. .........
>>Vic

IIRC a 4052 can only take/give positive inputs up to ~18v. If your RS232 
is to spec with a negative swing this needs to be dealt with?

D
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