> About the only thing that might trip me up is whether the cs-d800 > software is looking for DTR or RTS.
I'm pretty sure it does not. When I sniff the serial line, I don't propagate anything but the data from the radio's serial port to the one feeding the windows machine. If CS-2820 was doing anything funky with the other lines, this wouldn't work. > Anyone have ideas... or is this a dumb idea? Finding an alternative to an OPC-478 isn't a dumb idea, but you might be able to save yourself some time and effort if you're willing to part with a little more money: http://cgi.ebay.com/Prog-Cable-for-2820-2720-208-T90-T91-P7A-R10-R5-V8-F21_W0QQitemZ360105440983QQihZ023QQcategoryZ48704QQtcZphotoQQcmdZViewItemQQ_trksidZp1742.m153.l1262 I have several of these and they work great. $11 shipped. -- Dan Smith dsmith#danplanet.com, s/#/@/ www.danplanet.com KK7DS
