[amsat-bb] Re: USB to serial interface
amvm at skynet.be
Thu Jun 26 05:08:13 PDT 2008
Jim Heck schreef:
> Hi All,
> There have been discussions on this BB in the past about the best USB to
> serial interface units. I seem to recall that there was one reccommended
> unit (not very cheap) which had the advantage of not reallocating COM port
> numbers each time the PC was restarted. I think it had 4 serial ports. Can
> anyone advise which this unit was
> Or alternatively recommend a good unit?
> Thanks and 73s
> Jim G3WGM
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Don't know about what was recommended.
I have been using the FTDI chips and complete solutions in various
configurations with good succes. See:
UC232R-10; DLP-2232ML; TTL-232R all worked OK for me. The first of these
is a complete solution, the second is an USB to Serial conversion chip
that requires a level converter of the max232 type to bring the signals
up to RS232 standard, the third is a new product that is an USB-serial
converter (TTL level) in the form factor of a cable.
Hope this helps,
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