[Elecraft] KPA500 firmware load fails?

[Dick Dievendorff]

The two serial connectors on the KPA500 are for connection to a PC and a
Kenwood radio for its band information. There's no RS-232 passthru there,
either...

73 de Dick, K6KR

-----Original Message-----
From: elecraft-bounces at mailman.qth.net
[mailto:elecraft-bounces at mailman.qth.net] On Behalf Of David F. Reed
Sent: Sunday, November 18, 2012 4:27 PM
To: don at w3fpr.com
Cc: elecraft Reflector
Subject: Re: [Elecraft] KPA500 firmware load fails?

Thanks Don; so I assume that means that I cannot daisy-chain the RS-232 port
from the PC to the KPA500 to the K3? It sort of looks like I should be able
to from the way the back of the KPA-500 is labeled by the two serial ports.

Is that correct?  (I understand the KAT500 is on its own serial port).

Thanks & 73 de Dave, w%SV

On 11/18/12 6:22 PM, Don Wilhelm wrote:
> Dave,
>
> Connect only to the KPA500.
>
> RS-232 communication is point to point - one driving port and one 
> receiving port.
>
> If you still have the serial cable connected to the K3, it will not 
> communicate with the KPA500.
>
> By the way, an easy solution to the plugging/unplugging requirement is 
> to use a 4 port data switch if you only have one computer serial port.  
> The other solution is to use a different serial port for each device.
>
> 73,
> Don W3FPR
>
> On 11/18/2012 7:10 PM, David F. Reed wrote:
>> My K3 is wired to my KPA500 and KAT500 per the instructions and works 
>> fine with one exception...
>>
>> I cannot talk to the KPA500 using the utility (version 1.12.3.12) on
>> COM8 (same port as the K3), but its not "seeing" the KPA500...
>>
>> Is there something I am missing, like turning off the K3, or 
>> connecting only to the KPA500 to do this, or???
>>
>> Thanks & 73 de Dave, W5SV
>>
>

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