I did the same. Check thrift stores for a RS-232 switch if you don’t already have one. I picked mine for 25 cents at the local thrift store. scl
> > On 2014-08-14 9:00 PM, Jim N7US wrote: >> I connected an A/B switchbox to switch the radio between the MKII and a >> serial port on the computer (or an Edgeport US/serial box). It has been >> easy to switch the K3/P3 to the serial port for firmware updates. >> >> 73, Jim N7US >> >> >> >> -----Original Message----- >> >> Every microHAM Users Manual includes a specific warning *NOT* to upload >> *any* transceiver firmware via the microHAM device. The microHAM device >> constantly polls the transceiver for frequency and mode. Those polls are >> not compatible with firmware uploads. >> >> 73, >> >> ... Joe, W4TV >> >> >> On 2014-08-14 7:30 PM, Don Wilhelm wrote: >>> Kurt, >>> >>> Both Microham and Elecraft warn that one should not attempt firmware >>> downloads through the MicroHam device. Other K3Utility functions work >>> fine through the Microham device. >>> >>> If you have a real serial port on the computer, that is the preferred >>> connection, otherwise a good USB to serial adapter is the best answer. >>> The preferred adapter is one using an FTDI chip. Others may work (and >>> I can also recommend EdgePort). >>> >>> BTW - there are counterfeit FTDI and Prolific USB to serial adapters >>> on the market. Both Prolific and FTDI have created new drivers for >>> Windows >>> 7 and above that detect those counterfeits and render them unusable - >>> so steer clear of bargain priced adapters whose instructions tell you >>> to turn off Windows updates and run their 'special' drivers. >>> >>> The Elecraft KUSB cable uses an authentic FTDI chip. I have also had >>> success with a Keyspan adapter that was supplied for testing by a >> customer. >>> >>> 73, >>> Don W3FPR >>> >>> On 8/14/2014 7:02 PM, Kurt Wiksten wrote: >>>> Thanks to everybody for your advice. >>>> But my problem still not solved, because I am communicating with the >>>> K3 via my Microkeyer2. >>>> Reading the K3 Utility Helpfiles shows that it might be a problem >>>> that my USB to serial connection is via my Microkeyer2 and the >>>> recommendation is to change the cabling so that the PC is connected >>>> directly to the K3 and that cable does not fit the K3 RS232 port. >>>> I suppose I will have to order the KUSB-cable from Elecraft. >> >> >> >> >> ______________________________________________________________ >> Elecraft mailing list >> Home: http://mailman.qth.net/mailman/listinfo/elecraft >> Help: http://mailman.qth.net/mmfaq.htm >> Post: mailto:[email protected] >> >> This list hosted by: http://www.qsl.net >> Please help support this email list: http://www.qsl.net/donate.html >> Message delivered to [email protected] >> > ______________________________________________________________ > Elecraft mailing list > Home: http://mailman.qth.net/mailman/listinfo/elecraft > Help: http://mailman.qth.net/mmfaq.htm > Post: mailto:[email protected] > > This list hosted by: http://www.qsl.net > Please help support this email list: http://www.qsl.net/donate.html > Message delivered to [email protected] Steve - KY7K [email protected] Get OUT and play radio! ______________________________________________________________ Elecraft mailing list Home: http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/mmfaq.htm Post: mailto:[email protected] This list hosted by: http://www.qsl.net Please help support this email list: http://www.qsl.net/donate.html Message delivered to [email protected]
