Raj Check the RJ45 jack very carefully. One of the wires might have bent slightly and shorts out the adjacent wire. I have found that a few times when repairing computer problems for friend & family Ralph, W7HSG/AFA9RT
> On July 19, 2019 at 12:32 PM Rajiv Dewan <[email protected]> wrote: > > > Hello all, especially Don, > > The last tip helped make progress. I unplugged the P3 connected via > the RJ45 jack and suddenly my USB/CAT came back to life. > > And, this disruption is repeatable. Plug the P3 back and again it > stops working. Unplug, works again. > > Now, I will look to see what is up with the P3. I checked the > firmware on the P3. It is running the latest. > > Raj > > -- > Raj Dewan, N2RD > [email protected] > > ------ Original Message ------ > From: "Don Wilhelm" <[email protected]> > To: "Rajiv Dewan" <[email protected]> > Sent: 7/19/2019 1:32:38 PM > Subject: Re: [Elecraft] KIO3B usb com port not communicating > > >Raj, > > > >Email [email protected] > > > >73, > >Don W3FPR > > > >On 7/18/2019 10:03 AM, Rajiv Dewan wrote: > >>Hello, > >> > >> I have KIO3B (USB interface) in my K3. It was working well. Single USB > >> for audio, and CAT. > >> > >>Suddenly, now the CAT part is not working. Here are some aspects: > >>* RS232 in K3/Config shows USB > >>* Serial port 1 shows up in device manager on the windows computer when the > >>USB is plugged in. The sound codecs are working. > >>* Nothing communicates with the K3 CAT any more (K3 utility, and logging > >>programs do not see the K3 on the com1.) > >>* I tried it on a new laptop with a fresh USB cable. Exactly the same > >>issue. > >> > >>Any help appreciated. > >> > >>Raj, N2RD > >>K3 sn 170 > >> > >>-- Raj Dewan, N2RD > >>[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] > > ______________________________________________________________ > 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]

