Wim Lewis wrote: > > In article <Pine.LNX.3.96.980713185407.21405C-100000@reg16.admin.rochester.edu>, > R. Paul McCarty <mccarty@reg16.admin.rochester.edu> wrote: > >$99/each. I'm trying to find out if they've used them for other > >applications (for example, if they are general purpose; you might plug one > >into your wearable and the other into a parallel->scsi, or > >parallel->ethernet connection and have a dirt cheap wireless ip > >connection) > > My understanding is that these sorts of transceivers are somewhat smart; > they understand that the host is sending a byte stream to the printer, > so they package that up and send it to the other end. Presumably they also > send status-pin state back to the originating end. This is more efficient > than repeating each pin's state to each end, but it means that you can't > use the transceivers for oddball applications like SCSI or quickcams. > (Cheap wireless IP might still be possible but you'd want to adapt the > protocol to the transceiver...) yeah, I just got word from Aerocomm that they wont work for anything other than parallel printing. Hadn't thought of writing a driver to do ip, but that might work too. Or use the printer driver to generate packets.. ;) The OEM modules still look attractive though, $179/each in single quantities. > Disclaimer: I've never actually looked at one of these things up close. > > For around a hundred bucks, I think you can get pretty cheap > 400-odd MHz transceiver modules from distributors like DigiKey. Their > data rates aren't that good though. I'll have to check it out. -Paul -- R. Paul McCarty / DARS Coordinator / rpmc@troi.cc.rochester.edu / x52059 317 Lattimore Hall, University of Rochester, Rochester, NY 14627 Computers don't make errors; what they do, they do on purpose.-Dale/KOTH
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