That's the technique I use here. Something along these lines:
http://www.amazon.com/DB9-Female-Way-Switch-Box/dp/B000I9B2JG/ref=sr_1_fkmr0 _1?ie=UTF8&qid=1276648977&sr=8-1-fkmr0 Dick, K6KR -----Original Message----- From: elecraft-boun...@mailman.qth.net [mailto:elecraft-boun...@mailman.qth.net] On Behalf Of Alan Bloom Sent: Tuesday, June 15, 2010 5:17 PM To: Larry - K2GN Cc: Elecraft - K3 Subject: Re: [Elecraft] K3 Firmware updating You might check on Ebay and see if you can pick up a couple of RS-232 switch boxes. They were quite common years ago so you might find some used ones. That way you could bypass the microHAM whenever you want to update firmware. Al N1AL On Tue, 2010-06-15 at 19:16 -0400, Larry - K2GN wrote: > Is there a safe way to update a K3 through the microHAM router? > > I don't like moving the cables for every update. > > Something is going to wear out or break. > > Difficult to do it with my 1 good hand . > > Can I put a "Y" adaptor on the RS232 and run a USB to my laptop, and leave > the microHAM powered off? > > Laptop isn't connected to the radios at all. > > I just need an easier way to stay up to date. > > Same with using the K3 EZ and K3 Util programs. > > > > Any ideas are greatly appreciated. > > de K2GN - Larry - http://k2gn.com <http://k2gn.com/> > > K3 S/N - 3278 P3 S/N - ???? (Ordered) > > > > > > > > > > > ______________________________________________________________ > Elecraft mailing list > Home: http://mailman.qth.net/mailman/listinfo/elecraft > Help: http://mailman.qth.net/mmfaq.htm > Post: mailto:Elecraft@mailman.qth.net > > This list hosted by: http://www.qsl.net > Please help support this email list: http://www.qsl.net/donate.html ______________________________________________________________ Elecraft mailing list Home: http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/mmfaq.htm Post: mailto:Elecraft@mailman.qth.net This list hosted by: http://www.qsl.net Please help support this email list: http://www.qsl.net/donate.html ______________________________________________________________ Elecraft mailing list Home: http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/mmfaq.htm Post: mailto:Elecraft@mailman.qth.net This list hosted by: http://www.qsl.net Please help support this email list: http://www.qsl.net/donate.html