[Elecraft] ] Elecraft] KPA500 to K3 control cable

[David Robertson]

Steve, Sounds like a good idea and I have lots of cat5 cable laying around.

73
Dave KD1NA

On Sun, Oct 7, 2012 at 8:55 AM, Steve Kercel <aa4ak.1 at gmail.com> wrote:

> Another trick that works:
>
> If you're using a K3 and KPA500, there are only 9 lines needed, and two of
> those are grounds. A CAT5 cable has 8 lines. If you use one line for ground
> and connect it to both ground pins at each end, you have the necessary 7
> lines left. I used this scheme to build a 15 foot jumper. It works
> perfectly. I discussed this with Eric before I tried it.
>
> 73,
>
> Steve
> AA4AK
>
>
>
> On 10/7/2012 7:44 AM, David Robertson wrote:
>
>> Jim,
>> The cable Elecraft sells is of top quality but is only 3 feet long. If
>> that
>> length is ok then get it. If you need longer cable you can build it. The
>> schematic is in either the KPA500 construction or operation manual ( I
>> think it is in the construction manual).
>>
>> You need 2, 15 pin HD D connectors ( Male type ) and an old parallel
>> printer cable or a old RS232 cable with DB 25 connectors at each end. It
>> took me about 20 minutes to build mine after rounding up the parts. I made
>> mine 5 feet in length which was just right for my station.
>>
>> 73
>>
>> Dave KD1NA
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>