[Elecraft] KRC2 with K3, KPA500 and MH MKII keyer

[Mike Fatchett W0MU]

Correct on the Aux bus.....However the Auxbus is accessed via the 15 pin 
Acc connector in the back, which the KPA500 and KRC2 all want access to.

On 9/1/2011 1:09 PM, Jack Brindle wrote:
> Mike;
>
> The best way for your use is to use the Auxbus connection. I have 
> tested it extensively while developing the KPA500 firmware and have 
> seen no problems with KRC2 operation with the K3 and KPA500.
>
> Your Aux cable needs to connect the Auxbus at all three pieces of 
> equipment. I have a diagram I can send you that shows the connections 
> in the cable I fabricated for my station. Look for that later this 
> evening.
>
> One thing of note - the MKII does not connect to the Auxbus. Only 
> Elecraft equipment uses that communications method.
>
> And, if I can find the time over the next few days, you will see a new 
> version of KRC2 firmware (V1.6) released next week. I am way too busy 
> these days...
>
> Jack Brindle, W6FB
> Elecraft Engineering
>
> On Aug 31, 2011, at 7:28 PM, Mike Fatchett W0MU wrote:
>
>> KRC2 built.
>>
>> It appears there are a couple of ways to wire the KRC2 with the K3.  I
>> have the KPA500 and am using the Aux bus so I think I should use the aux
>> bus.  The KRC2 will be used to drive an ICE 419 Bandpass filter unit.
>>
>> I would appear that all I need to do is connect pin 6 on the KRC2 to pin
>> 2 on the 15 pin connector and pin1  to pin 5.
>>
>> Why would one want to hook up using serial ports with or without 
>> logging?
>>
>> The entire setup will consist of a Microham MKII keyer or MK2R+ , K3,
>> KPA500 and KRC2.  It would appear that I would need another 15 pin
>> splitter to run the MKII, KPA500 and KRC2 all on the the Aux Bus.  I
>> assume that the splitter that Electraft provided is 15 pins straight
>> through?
>>
>> Mike W0MU
>>
>>
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