Email List <elecraft@mailman.qth.net>
Subject: [Elecraft] USB to Serial adapter for KIO2
I am adding a KIO2 to my Elecraft K2 and will of course build the required
interface cable per the Elecraft instructions. But my computer will require
adapting the serial connection to a USB.
functions.
From: Fred Jensen <k6...@foothill.net>
To: elecraft@mailman.qth.net
Sent: Thursday, March 30, 2017 8:02 PM
Subject: Re: [Elecraft] USB to Serial adapter for KIO2
OK Harry, as you wish, but just DO NOT plug a USB-Serial adapter cable
into the DE-9 connector on the back of t
>
Sent: Thursday, March 30, 2017 4:30 PM
Subject: Re: [Elecraft] USB to Serial adapter for KIO2
Harry,
OK in broad concept - EXCEPT, things get bogged down in the details:
You will have some problems to solve if using that device.
First of all, the K2 MCU RX and TX signals need to be
Get the Elecraft KUSB, and don't worry about it.
I bought one last year. When I got around to trying it, it was apparently
dead. An e-mail to Elecraft had a new one en route that day.
You might save a few bucks fiddling around with other brands, but why?
73 Jim Allen W6OGC
Sent from my
The DB9-USB-D5-F cost about $15, so for about the price of a USB to RS-232
Cable you can put the USB interface right n the K2.
If you decide in the future you want to go a different route you simply remove
it and get the KIO2 from Elecraft.
qth.net>
Sent: Thursday, March 30, 2017 4:30 PM
Subject: Re: [Elecraft] USB to Serial adapter for KIO2
Harry,
OK in broad concept - EXCEPT, things get bogged down in the details:
You will have some problems to solve if using that device.
First of all, the K2 MCU RX and TX signals need
Harry,
OK in broad concept - EXCEPT, things get bogged down in the details:
You will have some problems to solve if using that device.
First of all, the K2 MCU RX and TX signals need to be TTL (0 to 5V)
instead of RS-232 and the polarity must be inverted - so you will need
some more logic
Instead of a KIO2 I am installing a DB9-USB-D5-F
USB straight to the K2
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Post:
Paul: There seem to be two distinct USB-serial chipsets, FTDI and
Prolific. Others [like Keyspan] appear to use the Prolific [most of the
time]. Three older Prolific models are not supported in Windows 10 and
will give "Error 10" when plugged in. Prolific has also had problems
with
Paul,
The FTDI adapters seem to work well. You can get one from Elecraft.
Be certain that you do use the K2 to PC cable. If you get a USB to
serial adapter that has a long tail, you may want to shorten the K2 to
PC cable, but it must be present to avoid damaging the K2 or the serial
port.
I am adding a KIO2 to my Elecraft K2 and will of course build the required
interface cable per the Elecraft instructions. But my computer will require
adapting the serial connection to a USB. I have heard that some adapters work
well and others do not. I would be interested in hearing
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