[Trlog] Parallel Serial Port

Ron Rossi kk1l at comcast.net
Thu Jan 23 13:15:52 EST 2014

This is what I used for quite a while. It is adapted from many other 
designs out there.



73 es God Bless de KK1L...Ron Rossi (kk1l at comcast.net) <><
QTH: Jericho, Vermont
My page: http://home.comcast.net/~kk1l

On 1/23/2014 13:09, Tree wrote:
> If you have "real" serial ports - you can use one each of them to both
> interface to your radio AND send keying CW.  You can use the parallel port
> for the paddle input if you want and it will be directed to the correct
> radio.
> The other option is to build up a small relay box that is controlled from
> the one parallel port - and have it switch the CW from the parallel port to
> the active radio.
> Tree
> On Thu, Jan 23, 2014 at 7:12 AM, K4LTA <k4lta at comcast.net> wrote:
>> For the 10 years that I have used TR Log, I have always keyed my 2 radios
>> using parallel ports.   I have now changed to another computer which only
>> has 1 parallel port.   It also has 2 serial ports for controlling my two
>> rigs plus a couple of USB ports.  Can I key one of my radios with a serial
>> port or from a USB port to a serial port adapter cable?    Any help or
>> suggestions would be appreciated.
>>   73  Bill K4LTA
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