[Elecraft] K2/100 twins configuration

[Don Wilhelm]

Matt,

That is correct.  In the base K2, there will be no connection to P3 (the 
AUX 12V header), so the base K2 will not receive any power from the KPA100.
The base K2 must be powered using the 2.1mm coaxial power connector.

73,
Don W3FPR

On 5/25/2015 4:55 PM, Matt Maguire wrote:
> There is a cable from KPA100 called "KPA100-J4" that normally connects to the K2's "P3" connector halfway along the right edge of the K2's RF board (when looking from the front of the radio.
> In a "twins" configuration, my guess is that this cable would not be connected, in which case you would need to power the K2 via the 2.1mm coaxial power socket on the back of the K2. Maybe someone with a twins setup can comment on this.
>
> 73, Matt VK2RQ
>
>      _____________________________
> From: Brian Denley <b.denley at comcast.net>
> Sent: mardo, majo 26, 2015 4:15 atm
> Subject: [Elecraft] K2/100 twins configuration
> To: Elecraft Reflector <elecraft at mailman.qth.net>,  <don at w3fpr.com>
>
>
> How does the K2 get it's power when only the high current supply is connected?  I ask because sometimes my K2 doesn't - unless I connect a supply to the K2 directly.  Is it through the KIO2?
> I also notice that when the power is lower the 11 watts, the SWR lights on my KAT100 do not light - but they do light when the power is 11 watts or higher.  In both cases I can hear the KAT109 relays cranking away.
>
>