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

Posted by Don Wilhelm on Oct 10, 2017; 9:40pm
URL: http://elecraft.85.s1.nabble.com/Switching-or-sharing-the-ACC-AUX-line-between-KPA500-and-KPA1500-tp7635041p7635043.html

Dan,

Some "VGA" switches switch all 15 lines while others do not.
You need one which switches all 15 lines.  Be certain before you buy.

Don W3FPR


On 10/10/2017 5:16 PM, Dan AE9K 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.
>
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