K3/KRC2/XV144/KPA500 Combo

[Stan Gibbs, KR7C]

Looking toward future station enhancements, I can see where I might want to hang a KRC2, an XV144 and a KPA500 off of the ACC connector of my K3.

Is there any reason that this won't work, assuming a couple of Y-adapter cables?

[Don Wilhelm-4]

Stan,

You only need the one Y adapter for the KPA100.  The XV144 can
daisy-chain off the KRC2 connector.  It is similar to daisy-chaining
several transverters as shown in the XV Owner's manual.

73,
Don W3FPR

On 7/27/2011 1:36 PM, Stan Gibbs wrote:

> Looking toward future station enhancements, I can see where I might want to
> hang a KRC2, an XV144 and a KPA500 off of the ACC connector of my K3.
>
> Is there any reason that this won't work, assuming a couple of Y-adapter
> cables?
>
>
> -----
> 73, Stan - KR7C
> --
> View this message in context: http://elecraft.365791.n2.nabble.com/K3-KRC2-XV144-KPA500-Combo-tp6627049p6627049.html
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[Stan Gibbs, KR7C]

Hi Don,

Thanks for the response.

If I read the KRC2 and XV144 manuals correctly, the way this would be set up is to use the DB15/DB9 cable provided with the XV144 to connect the K3 to the KRC2 "XCVR" DB9 connector and then use a DB9/DB9 straight-through cable to connect the XV144 to the KRC2 "PC" port.  Is that correct?

It seems a bit strange that the KRC2 kit doesn't provide a DB15 connector as well as a DB9 for making up the control cable.

[Don Wilhelm-4]

Stan,

That is correct.
On the "strangeness", remember that the KRC2 was developed for the K2,
and the DB-9 connector had all the pins that were needed.

73,
Don W3FPR

On 7/27/2011 5:36 PM, Stan Gibbs wrote:

> Hi Don,
>
> Thanks for the response.
>
> If I read the KRC2 and XV144 manuals correctly, the way this would be set up
> is to use the DB15/DB9 cable provided with the XV144 to connect the K3 to
> the KRC2 "XCVR" DB9 connector and then use a DB9/DB9 straight-through cable
> to connect the XV144 to the KRC2 "PC" port.  Is that correct?
>
> It seems a bit strange that the KRC2 kit doesn't provide a DB15 connector as
> well as a DB9 for making up the control cable.
>
>

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[Stan Gibbs, KR7C]

Don,

Certainly, I understand the history.  How about a KRC3 kit? :-)

Don Wilhelm-4 wrote

On the "strangeness", remember that the KRC2 was developed for the K2,
and the DB-9 connector had all the pins that were needed.

[w8fn]

I'm using a pair of Y cables cascaded to run my KPA500 and XV144. One
port is open now. It works great. I discovered that if I hit the AUX
band button on the KPA500 it brings up the transverter band.

73...
Randy, W8FN

On 07/27/2011 12:36, Stan Gibbs wrote:
> Looking toward future station enhancements, I can see where I might want to
> hang a KRC2, an XV144 and a KPA500 off of the ACC connector of my K3.
>
> Is there any reason that this won't work, assuming a couple of Y-adapter
> cables?
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[AD6XY]

It should work just fine. I have up to 3 transverters and KRC2 attached.  I did notice some strange effects if I daisy chained several XVs where one was unpowered. So look out for that sort of thing if you have trouble.

If you have trouble with wiring to the 15pin connector on the back of the K3 Winford Engineering have some useful breakout boards and cables.

Mike

[N5GE]

The KRC2 will switch the XVTR's just fine, but will not switch 6m at this time.

I believe the K3 firmware needs a change before that will work.

73,
Tom
Amateur Radio Operator N5GE
ARRL Lifetime Member
QCWA Lifetime Member


On Mon, 1 Aug 2011 07:52:35 -0700 (PDT), AD6XY <[hidden email]> wrote:

>It should work just fine. I have up to 3 transverters and KRC2 attached.  I
>did notice some strange effects if I daisy chained several XVs where one was
>unpowered. So look out for that sort of thing if you have trouble.
>
>If you have trouble with wiring to the 15pin connector on the back of the K3
>Winford Engineering have some useful breakout boards and cables.
>
>Mike

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