I've found the website at:
http://home.iis.com.br/~alexg/

But it is rather slow (for me in the US, maybe elswhere it is faster)

Thanks for sharing, Alex!

-Adam

Vic Lopez wrote:
>
> Hi Alexandre,
>      The website address you provided is not responding. Do you have a
> different one or another route?? Thanks.
> -----Original Message-----
> From: Alexandre Guimaraes <alexg@IIS.COM.BR>
> To: PICLIST@MITVMA.MIT.EDU <PICLIST@MITVMA.MIT.EDU>
> Date: Wednesday, June 30, 1999 11:39 PM
> Subject: Opto isolated RS-232, finally :-)
>
> >Hi,
> >
> >    Sorry for taking so long to answer the requests for the opto-isolated
> >RS-232 compatible interface. I have been out of town for quite a while
> >working on a big project and had no time to send this before. The schematic
> >is available at the following URL www.home.iis.com.br/~alexg .
> >
> >    It is part of some products that my company manufactures and it works
> >nicely up to 9600 baud. It can go faster but I have not tried. the circuit
> >is fairly low power when not communicating. I would be happy to receive
> >comments about it.
> >
> >Best regards,
> >Alexandre Guimaraes
> >alexg@iis.com.br
> >
> >