[TenTec] Orion 2 and Xlog keyer

Dr. Gerald N. Johnson geraldj at storm.weather.net
Fri Sep 5 20:37:20 EDT 2008


On Fri, 2008-09-05 at 20:23 -0400, John B. Egger wrote:
> jack wrote:
> > does Xlog not send the CW to a serial or parallel port? i use MixW and it 
> > sends the keying to your choice of several serial ports or the parallel port 
> > (printer port).
> > Jack
> >
> >   
> >
> Yes, Jack, you're right... though I didn't see anything in the Orion 
> manual about serial-cable keying.
> 
> Here's part of the Xlog manual's brief entry on keying: "The keyer 
> window, available under the Tools Menu, is in fact a simple (contesting) 
> interface for cwdaemon."
> 
> Going to cwdaemon, the README in /usr/share/cwdaemon begins with this:
> 
> > Cwdaemon is a small daemon which uses the pc parallel or serial port 
> > and a
> > simple transistor switch to output morse code to a transmitter from a 
> > text
> > message sent to it via the udp internet protocol. The program uses the
> > soundcard or PC speaker to generate a sidetone.
> > It is called as root, with "cwdaemon -p <portnumber> -d <device>". If no
> > portnumber is given, the default portnumber 6789 is used. Device can 
> > be one of
> > the serial (ttyS0, ttyS1, etc) or parallel (parport0, parport1, etc) 
> > ports.
> > Default is parport0.
> 
> ...and here's the start of /etc/default/cwdaemon:
> > # /etc/default/cwdaemon
> > # OK1ZIA 17 Aug 2004
> >
> > #
> > # Start cwdaemon at boot? yes or no
> > START_CWDAEMON=yes
> >
> > # device without /dev/ e.g. ttyS0, ttyS1, ttyUSB0, ttyd0 (FreeBSD), 
> > parport0,
> > # parport1, ... or null for no port keying.
> > # Default for linux: parport0 with ppdev driver
> > DEVICE="parport0"
> I tried editing DEVICE to ttyS0, the serial port that handles the 
> Orion's serial cable, but this had no apparent effect on Xlog's keyer 
> behavior.
> 
So now you hav to build the transistor interface which isn't part of the
computer or radio ports. Probably needs a NPN transistor with emitter
grounded, collector to the radio key jack and base through a 1.5 K
resistor to the selected computer port pin.

73, Jerry, K0CQ



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