[Elecraft] K3 - USB

[N2TK, Tony]

Hi Fred,
That is exactly what happens when I plug in or remove the USB cable. Narrowed down the problem to the KIO3B Main Board. Ordered a replacement board.
73,
N2TK, Tony  

-----Original Message-----
From: elecraft-bounces at mailman.qth.net [mailto:elecraft-bounces at mailman.qth.net] On Behalf Of Fred Jensen
Sent: Friday, May 25, 2018 3:55 PM
To: elecraft at mailman.qth.net
Subject: Re: [Elecraft] K3 - USB

Watch Control Panel --> Device Mangler --> Ports while you plug in the USB cable to the PC.  You should see a new COM port come up.  That's the port you use to talk to the radio.  It's faintly possible you are missing or have an old driver, but Windows almost always installs the correct driver transparently when you plug in the cable.  Unplugging the cable will cause that port to disappear.

73,

Fred ["Skip"] K6DGW
Sparks NV DM09dn
Washoe County

On 5/24/2018 3:49 PM, N2TK, Tony wrote:
> Hooked up my backup K3 so I could add a mod on the other K3. I can't 
> connect to USB anymore with the backup K3.
>
> Verified that USB is selected in Config > RS232 > USB.
>
> Swapped the KIO3B Digital I/O board between the two rigs. I can't 
> transfer the problem.
>
> The only thing plugged into both rigs is the Powerpole and USB cable.
>
> I am using the same USB cable to go between both rigs.
>
> In Win 10 >Device Manager > Universal serial bus controller, I see 
> added "Generic USB Hub" when I plug in the USB cable.
>
>   
>
> What could I be missing or check?
>
> Tnx for any feedback
>
> N2TK, Tony
>

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