[Elecraft] K2: CAT control of K2/100 with HRD

[Stephen Victor]

Hi
My K2/100 has been functioning well, and I am now trying for the first time to
use the connection on the 100W amplifier unit for CAT control with Ham Radio
Deluxe.   The K2 is serial number 6679, so apparently no modifications are
needed.  The side-tone works.  I fashioned the cable as per instructions (and
there is continuity where there should be), turned on the "port" function on the
K2, set the baud rate on HRD to 48,000.   However, the HRD is unable to read the
frequency.

Am I missing something obvious?  Is some driver needed, or some further
modification to the K2 or amplifier circuitry?

Thanks and 73
Steve WA2DTW
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[Stephen Victor]

Hi Ken
I'm sorry.  I meant 4800.  And the HRD does match. 
Also- am using Windows XP, with a computer that successfully used HRD with a
different radio.
But this time I installed the newest build of HRD.

Thanks and 73
Steve WA2DTW

________________________________
From: Ken Wagner K3IU <ken...@cox.net>
To: Stephen Victor <vict...@yahoo.com>
Sent: Mon, April 18, 2011 12:47:56 PM
Subject: Re: [Elecraft] K2: CAT control of K2/100 with HRD

Hi Steve:
I think you have the baud rate wrong. The K2 is 4800, (not 48,000) if I remember
correctly, and HRD must match.
73,
Ken K3IU  K2 #5413

[Jay]

Stephen,

I am running HRD version 5.0, build 2837 with my K2/100. The KPA100 is mounted
in the K2 case and, like you, I am also running Win XP.

I did not have to make any changes to the serial cable (used with K2/10 & KIO2)
or add any drivers to XP. Quite simply, I unhooked the K2/10, added the KPA100
to the K2, and reconnected the serial cable. It all magically worked.

Hope this helps.

Regards,
Jay
AJ4AY
Mobile, AL

>
>
> Hi
> My K2/100 has been functioning well, and I am now trying for the first time to
> use the connection on the 100W amplifier unit for CAT control with Ham Radio
> Deluxe.   The K2 is serial number 6679, so apparently no modifications are
> needed.  The side-tone works.  I fashioned the cable as per instructions (and
> there is continuity where there should be), turned on the "port" function on
> the
> K2, set the baud rate on HRD to 48,000.   However, the HRD is unable to read
> the
> frequency.
>

______________________________________________________________

[Don Wilhelm]

Steve,

It seems you have done everything right, and have a hardware failure on
your hands.

Since you have not used the RS-232 port before - it is possible that it
did not work when the KPA100 was first built.

The first thing to check is continuity for RFC6, RFC7, and RFC8 on the
KPA100 board (near the DE-9 connector). It is also possible that U4 on
the KPA100 board has been damaged.

Yes, all the modifications for the serial port are included on any K2
control board SN 3000 and above. If you have a wire on Control Board P4
pin 1, that indicates that the wiring change was incorrectly applied to
your Control Board, and should be backed off - in that case you will
have to find what trace was really cut (it was not the trace going to
pin 25) and repair that cut with a point to point wire.

73,
Don W3FPR

On 4/18/2011 12:14 PM, Stephen Victor wrote:
>