[Elecraft] K2 to WriteLog

Don Wilhelm w3fpr at embarqmail.com
Mon Aug 1 16:37:43 EDT 2011


Bruce,

If you do not have the special cable that was supposed to be built with 
the KIO2, you will need to build one.
DO NOT use a standard serial cable on the K2, you can damage your K2. - 
the connector on the KIO2 is marked AUX IO for a purpose, it contains 
internal K2 signals used for external Elecraft options such as the KRC2, 
the XV series transverters, and the KAT100.  Only 2 - RS-232 level 
signals are present.

Look in the KIO2 manual for instructions to build the cable (only 3 
wires plus shield are needed).  If you do not have the manual. you can 
download it from the Elecraft website.  The KPA100 manual contains the 
same instructions for the cable.

You mentioned USB to serial adapters - some do not like to work at the 
slower K2 baud rate of 4800, so you may have to try several adapters.  
Those with the FTDI chipset seem to work well, or look at the Edgeport 
USB to serial converters that are offered on Ebay - I have a 4 port 
converter that works well with my K2, but the prolific adapter I have 
fails after a few exchanges with the software application.

73,
Don W3FPR

On 8/1/2011 3:56 PM, Bruce Mendenhall wrote:
>
>
> Looking for which cable to get for K2 to WriteLog software.  I have the
> serial adapter on the K2 and USB on the computer.  Thanks for any help,
>


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