Re: Switching or sharing the ACC/AUX line between KPA500 and KPA1500

Posted by Rick Tavan-2 on Oct 11, 2017; 12:47am
URL: http://elecraft.85.s1.nabble.com/Switching-or-sharing-the-ACC-AUX-line-between-KPA500-and-KPA1500-tp7635041p7635047.html

Although you may use a different combination of ACC signals than me, FWIW I
routinely parallel multiple sets of accessories off my ACC connector. When
I'm operating remotely, I have two band decoders, a RemoteRig box, and a
KPA500 connected. No switch, no problem.

If you're using circuits I'm not and have a problem, note that many VGA
switches don't switch all 15 lines.

73,

/Rick N6XI


Rick Tavan
Truckee, CA

On Tue, Oct 10, 2017 at 2:16 PM, Dan AE9K <[hidden email]> wrote:

> In preparation for the arrival of my KPA1500 I was wondering if a simple
> two-port VGA switch would be the best approach for switching the ACC/AUX
> line to allow the selection of the KPA500 or the KPA1500.  Or is a simple Y
> cable ok?  Pin 10 PTT would be open ahead of the switch or Y cable to allow
> continued use of the keying line which is switched among two amps currently
> - soon to be a third.
>
> I assume at some point the KPA1500 will just become the only amp connected
> but in the short term a lot of A/B testing will occur so I'm just looking
> for the simplest means of accommodating both the KPA500 and KPA1500 without
> moving the ACC cable back and forth.
>
> 73,
>
> Dan
> AE9K
>
>
>
> --
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