I guess the question is " Is it the KAT500?" or "Is it the USB to serial Adapter"? To answer this question if you do not have an additional USB Serial to 3.5mm plug, you could just take a regular USB to serial, attach a serial cable, cut the cable and determine the ground, transmit and receive wires, and then wire them up to a 3.5mm plug. Check out the pin outs in the KPA500 manuals. The biggest pain here if you do not have a spare USB Serial to 3.5mm, then you have to wait for a replacement before you know.
At least this way you can find out sooner which device is at fault.
73 Tom
va2fsq.com


-----Original Message----- From: Nr4c
Sent: Sunday, March 19, 2017 11:27 PM
To: [email protected]
Cc: [email protected]
Subject: Re: [Elecraft] kat500 can't be seen by kat500 utility

That is the serial port.

Sent from my iPhone
...nr4c. bill


On Mar 19, 2017, at 9:12 PM, <[email protected]> <[email protected]> wrote:

The KAT500 has no serial port, just a 3.5mm round jack.

John KK9A

From: tomb18@ videotron.ca
Sun Mar 19 17:04:02 EDT 2017

Hi Can you try a different USB to serial?73


Sent from my Samsung Galaxy smartphone.
-------- Original message --------From: buddy s <buddys70 at gmail.com>
Date: 2017-03-19  12:50 PM  (GMT-05:00) To: elecraft at mailman.qth.net
Subject: [Elecraft] kat500 can't be seen by kat500 utility
when i plug in the serial/usb cable, a new com port, com4 appears in the
list of com ports.  however, the kat500 utility cannot complete the
handshake when trying to connect to the new com4.  i checked the plug in
the back, and it appears to be all the way in.

advice and suggestions appreciated.


73 de
W3BS, Buddy Spiegel

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