K2 CW Interface

[dave.wilburn]

I soldered up the cable to connect the K2 to the computer for logging
and control.  What do I need to do from here to get the computer/rig to
send CW during a contest?  I am currently using N3FJP's programs, and I
plan on moving to N1MM.  I get the impression I need a separate cable
between the LPT port and the paddle input?
--

David Wilburn
[hidden email]
K4DGW
K2 S/N 5982


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[Joe-aa4nn]

You will need a separate cable between LPT port
and Key-in to the K2.  Set INP to Hand.  Wire
your favorite keyer output in parallel with the line
into the K2 Key-in.
de Joe, aa4nn

----- Original Message -----
From: "David Wilburn" <[hidden email]>
To: "elecraft" <[hidden email]>
Sent: Tuesday, December 04, 2007 3:27 PM
Subject: [Elecraft] K2 CW Interface

>I soldered up the cable to connect the K2 to the computer for logging
> and control.  What do I need to do from here to get the computer/rig to
> send CW during a contest?  I am currently using N3FJP's programs, and I
> plan on moving to N1MM.  I get the impression I need a separate cable
> between the LPT port and the paddle input?
> --
>
> David Wilburn
> [hidden email]
> K4DGW
> K2 S/N 5982
>
>
> _______________________________________________
> Elecraft mailing list
> Post to: [hidden email]
> You must be a subscriber to post to the list.
> Subscriber Info (Addr. Change, sub, unsub etc.):
> http://mailman.qth.net/mailman/listinfo/elecraft   
>
> Help: http://mailman.qth.net/subscribers.htm
> Elecraft web page: http://www.elecraft.com
>

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[Chris Kantarjiev K6DBG]

> I soldered up the cable to connect the K2 to the computer for logging
> and control.  What do I need to do from here to get the computer/rig to
> send CW during a contest?  I am currently using N3FJP's programs, and I
> plan on moving to N1MM.  I get the impression I need a separate cable
> between the LPT port and the paddle input?

That's right. Details can be found various places, notably

http://pages.cthome.net/n1mm/html/English/Interfacing.htm

I went through this exercise last summer; if you look at

http://www.mail-archive.com/elecraft@.../msg38016.html

you'll find the beginning of the thread I started then (not terribly
interesting in itself, but has a few links of use).

I don't care to switch INP when using various input devices, so I always
wire tip and ring together on things like this (and straight keys and
bugs). I made up a little box that has several jacks in parallel, going
to the required diodes and a paddle input - so I can (and do) have the
paddles, SK and computer keying all hooked up at the same time.

(See http://www.mail-archive.com/elecraft@.../msg38462.html)

(I know that some folks have reported problems with the K2's sensing of
tip/ring for non-paddle keying, but I've never experienced it.)

73 de chris K6DBG
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