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K3, P3 & KPA500

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dj7mgq

K3, P3 & KPA500

I was just wondering, what will be the recommended chain of devices on
the RS232 line?

a) Computer <-> P3 <-> KPA500 <-> K3

or

b) Computer <-> KPA500 <-> P3 <-> K3

vy 73 de toby
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Jack Brindle

Re: K3, P3 & KPA500

The KPA500 is not in the chain. It needs its own connection to the PC. So your chain will look like:

Computer Port 1 <-> KPA500
Computer Port 2 <-> PE <-> K3

Jack Brindle, W6FB

On Apr 3, 2011, at 2:27 PM, Toby Deinhardt wrote:

> I was just wondering, what will be the recommended chain of devices on
> the RS232 line?
>
> a) Computer <-> P3 <-> KPA500 <-> K3
>
> or
>
> b) Computer <-> KPA500 <-> P3 <-> K3
>
> vy 73 de toby
> ______________________________________________________________
> Elecraft mailing list
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Bruce Beford-2

Re: K3, P3 & KPA500

In reply to this post by dj7mgq

I believe this PC connection is only for firmware updates for the KPA-500.
the "operational link" between the K3 and KPA-500 is via the ACC connector.
Correct? -Bruce, N1RX

> Jack Brindle wrote:
> The KPA500 is not in the chain. It needs its own connection to the PC.
> So your chain will look like:

> Computer Port 1 <-> KPA500
> Computer Port 2 <-> PE <-> K3
> Jack Brindle, W6FB

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Bruce Beford-2

Re: K3, P3 & KPA500

Thanks for the clarification, Jack! -Bruce, N1RX

-----Original Message-----
From: Jack Brindle [mailto:[hidden email]]
Sent: Sunday, April 03, 2011 8:03 PM
To: Bruce Beford
Cc: [hidden email]
Subject: Re: [Elecraft] K3, P3 & KPA500

No, it is more than that. We have implemented a command set for the KPA that
will allow you to monitor and control its operation. This is very important
for users who wish to use the KPA500 remotely. The K3 Utility will make very
good use of these commands to show what the KPA500 is doing and allow you to
control it. Of course the command set will be published so others can
implement KPA500 control features in their programs.

You are correct that the KPA and K3 communicate through the Aux signals. We
also have interfaces for transceivers from other manufacturers, and the
option to allow the KPA500 to determine the proper band as well. This latter
works incredibly well, detecting a new band and switching in well less than
a dit time.

The KPA500 is definitely worth waiting for. But the wait should soon be
over...

Jack B, W6FB

On Apr 3, 2011, at 4:34 PM, Bruce Beford wrote:

> I believe this PC connection is only for firmware updates for the KPA-500.
> the "operational link" between the K3 and KPA-500 is via the ACC
connector.
> Correct? -Bruce, N1RX
>

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Jack Brindle

Re: K3, P3 & KPA500

Oops. Make that KPA Utility.

Jack B, W6FB

On Apr 3, 2011, at 5:38 PM, Bruce Beford wrote:

> Thanks for the clarification, Jack! -Bruce, N1RX
>
> -----Original Message-----
> From: Jack Brindle [mailto:[hidden email]]
> Sent: Sunday, April 03, 2011 8:03 PM
> To: Bruce Beford
> Cc: [hidden email]
> Subject: Re: [Elecraft] K3, P3 & KPA500
>
> No, it is more than that. We have implemented a command set for the KPA that
> will allow you to monitor and control its operation. This is very important
> for users who wish to use the KPA500 remotely. The K3 Utility will make very
> good use of these commands to show what the KPA500 is doing and allow you to
> control it. Of course the command set will be published so others can
> implement KPA500 control features in their programs.
>
> You are correct that the KPA and K3 communicate through the Aux signals. We
> also have interfaces for transceivers from other manufacturers, and the
> option to allow the KPA500 to determine the proper band as well. This latter
> works incredibly well, detecting a new band and switching in well less than
> a dit time.
>
> The KPA500 is definitely worth waiting for. But the wait should soon be
> over...
>
> Jack B, W6FB
>
>
> On Apr 3, 2011, at 4:34 PM, Bruce Beford wrote:
>
>> I believe this PC connection is only for firmware updates for the KPA-500.
>> the "operational link" between the K3 and KPA-500 is via the ACC
> connector.
>> Correct? -Bruce, N1RX
>>
>
>

Elliott Lawrence-3

KPA500 to K3 ACC Connector

In reply to this post by dj7mgq

Can any of the field testers using the ACC Connector interface verify if the
K3 end of the cable has a through mounted female connector (back to back
male/female conncectors) that the mating connector for the PR-6 pre-amp can
use for access to pin 11 without having to make any wiring changes? This
would also enable access to the other K3 functions and the KPA500
simultaneously. If not, sounds like a good option to me!!

73
Elliott WA6TLA

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Jack Brindle

Re: KPA500 to K3 ACC Connector

Elliott;

The cable is not yet available. But thanks for the very valuable input.
As the internal KRC2 person, I have similar concerns over access to the Auxbus for the KRC2.
There are also KPA500 AUX signals that are very useful aside form the K3.
I am certain we will find a good solution that allows access to the K3 ACC and the KPA500 AUX signals as needed.

Jack Brindle, W6FB

On Apr 3, 2011, at 6:57 PM, Elliott Lawrence wrote:

> Can any of the field testers using the ACC Connector interface verify if the
> K3 end of the cable has a through mounted female connector (back to back
> male/female conncectors) that the mating connector for the PR-6 pre-amp can
> use for access to pin 11 without having to make any wiring changes? This
> would also enable access to the other K3 functions and the KPA500
> simultaneously. If not, sounds like a good option to me!!
>
> 73
> Elliott WA6TLA
>
> ______________________________________________________________
> Elecraft mailing list
> Home: http://mailman.qth.net/mailman/listinfo/elecraft
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Joe Subich, W4TV-4

Re: KPA500 to K3 ACC Connector

> The cable is not yet available. But thanks for the very valuable
> input. As the internal KRC2 person, I have similar concerns over
> access to the Auxbus for the KRC2.

There are a lot of concerns over access to the signals on the ACC
connector ... including FSK and PTT for digital interfaces, pin 11
for the PR6, "Inhibit" for external sequencers and the Aux bus for
transverters/KRC2. Some sort of "pass through" connection is almost
a "must" ...

73,

... Joe, W4TV

On 4/3/2011 10:08 PM, Jack Brindle wrote:

> Elliott;
>
> The cable is not yet available. But thanks for the very valuable input.
> As the internal KRC2 person, I have similar concerns over access to the Auxbus for the KRC2.
> There are also KPA500 AUX signals that are very useful aside form the K3.
> I am certain we will find a good solution that allows access to the K3 ACC and the KPA500 AUX signals as needed.
>
> Jack Brindle, W6FB
>
> On Apr 3, 2011, at 6:57 PM, Elliott Lawrence wrote:
>
>> Can any of the field testers using the ACC Connector interface verify if the
>> K3 end of the cable has a through mounted female connector (back to back
>> male/female conncectors) that the mating connector for the PR-6 pre-amp can
>> use for access to pin 11 without having to make any wiring changes? This
>> would also enable access to the other K3 functions and the KPA500
>> simultaneously. If not, sounds like a good option to me!!
>>
>> 73
>> Elliott WA6TLA
>>
>> ______________________________________________________________
>> Elecraft mailing list
>> Home: http://mailman.qth.net/mailman/listinfo/elecraft
>> Help: http://mailman.qth.net/mmfaq.htm
>> Post: mailto:[hidden email]
>>
>> This list hosted by: http://www.qsl.net
>> Please help support this email list: http://www.qsl.net/donate.html
>
> ______________________________________________________________
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>

Eric Swartz - WA6HHQ

Re: KPA500 to K3 ACC Connector

Administrator

Yup we will offer a Y cable for that use. Its also currently available
from a number of sources.

73, Eric

On 4/3/2011 7:56 PM, Joe Subich, W4TV wrote:

>> The cable is not yet available. But thanks for the very valuable
>> input. As the internal KRC2 person, I have similar concerns over
>> access to the Auxbus for the KRC2.
> There are a lot of concerns over access to the signals on the ACC
> connector ... including FSK and PTT for digital interfaces, pin 11
> for the PR6, "Inhibit" for external sequencers and the Aux bus for
> transverters/KRC2. Some sort of "pass through" connection is almost
> a "must" ...
>
> 73,
>
> ... Joe, W4TV
>
>
> On 4/3/2011 10:08 PM, Jack Brindle wrote:
>> Elliott;
>>
>> The cable is not yet available. But thanks for the very valuable input.
>> As the internal KRC2 person, I have similar concerns over access to the Auxbus for the KRC2.
>> There are also KPA500 AUX signals that are very useful aside form the K3.
>> I am certain we will find a good solution that allows access to the K3 ACC and the KPA500 AUX signals as needed.
>>
>> Jack Brindle, W6FB
>>
>> On Apr 3, 2011, at 6:57 PM, Elliott Lawrence wrote:
>>
>>> Can any of the field testers using the ACC Connector interface verify if the
>>> K3 end of the cable has a through mounted female connector (back to back
>>> male/female conncectors) that the mating connector for the PR-6 pre-amp can
>>> use for access to pin 11 without having to make any wiring changes? This
>>> would also enable access to the other K3 functions and the KPA500
>>> simultaneously. If not, sounds like a good option to me!!
>>>
>>> 73
>>> Elliott WA6TLA
>>>
>>> ______________________________________________________________
>>> Elecraft mailing list
>>> Home: http://mailman.qth.net/mailman/listinfo/elecraft
>>> Help: http://mailman.qth.net/mmfaq.htm
>>> Post: mailto:[hidden email]
>>>
>>> This list hosted by: http://www.qsl.net
>>> Please help support this email list: http://www.qsl.net/donate.html
>> ______________________________________________________________
>> Elecraft mailing list
>> Home: http://mailman.qth.net/mailman/listinfo/elecraft
>> Help: http://mailman.qth.net/mmfaq.htm
>> Post: mailto:[hidden email]
>>
>> This list hosted by: http://www.qsl.net
>> Please help support this email list: http://www.qsl.net/donate.html
>>
> ______________________________________________________________
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>
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