[Elecraft] Remoting the KPA500 & KAT500?

[Michael Walker]

That will make it easy.

You can either use a USB cable or an RS232 cable.  Both will work fine.

73, Mike va3mw

On Fri, May 5, 2017 at 12:33 PM, Harry Yingst <hlyingst at yahoo.com> wrote:

> Thank you
>
> The USB cable will be under 15 feet as the room I'm moving it to a finished
> storeroom in
> my basement is directly below me. I could run serial but the USB makes for
> a easier install.
>
> One advantage of the move will be easy access to run a new 220 to that room
>
> The one thing I forgot about is the 15 pin aux cable but at that length it
> will probably be OK.
>
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>
> ------------------------------
> *From:* Michael Walker <va3mw at portcredit.net>
> *To:* Harry Yingst <hlyingst at yahoo.com>
> *Cc:* "elecraft at mailman.qth.net" <elecraft at mailman.qth.net>
> *Sent:* Friday, May 5, 2017 8:06 AM
> *Subject:* Re: [Elecraft] Remoting the KPA500 & KAT500?
>
> Hi Harry
>
> You have 2 ways to do this and extending USB is not the best choice if it
> would work at all.
>
> Depending on how far the run is, it might be able to do it via RS232 (from
> your USB connector) direct into back of devices.  While the spec for RS232
> is about 20ft or less, I currently run RS232 over 120' at 9600 baud.  That
> is fast enough for these devices.  You don't need to go to 38,400 baud as
> that will limit your cable length.
>
> This is what I do on my remote base for my Steppir and Rotator control and
> the tower is 120ft away from the computers.  I don't use any tuners, as
> that is one less thing to worry about.  None of my equipment is heated and
> I have seen it work down to -30C without issue.
>
> Your other option is to run a LAN cable and use RS232 over IP adapters
> such as https://www.amazon.com/USR-TCP232-306-Serial-Ethernet-
> Converter-RS232/dp/B01MXWACF3/ref=sr_1_8?ie=UTF8&qid=
> 1493985728&sr=8-8&keywords=rs232+lan.  The guys are RS485.com have some
> cool stuff as well.  www.rs485.com
>
> You run some software in your computer that will run the Elecraft
> software.  From Elecrafts perspective, it looks like a normal serial port.
> On the other end the KPA500 plugs into the device above.
>
> One last option is to use RS422 boxes that extend RS232 for miles.
>
> Don't forget, you will need good AC power installed.  If you can, I would
> recommend using 220V and not 115V as that will limit your voltage drop.
>
> I hope that helps
>
> Mike va3mw
>
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