You can also just get a 4 port USB to serial converter. www.keyspan.com has
one with four serial ports.
Carl Moreschi N4PY
121 Little Bell Drive
Bell Mountain
Hays, NC 28635
----- Original Message -----
From: "Mark Erbaugh" <mark@microenh.com>
To: "Discussion of Ten-Tec Equipment" <tentec@contesting.com>
Sent: Tuesday, August 21, 2007 7:53 PM
Subject: Re: [TenTec] controlling more than one ten tec radio withone
computer
> On Tue, 2007-08-21 at 18:46 -0400, Mike Bryce wrote:
> > boys...
> >
> > I have at last got a computer in the shack.. yea, I know... way to long
> >
> > but that being said, there's only one serial port on this used
> > machine. (sister gave it to me. It's running windows ME..)
> >
> > Now, is it possible to get a serial port to usb device for each and
> > every rig I have now, then plug the usb cables into a usb hub and
> > select the one that I want?
> >
> > I would like to run the argonaut 5, the jupiter, and the RX320 all
> > from the same computer and not have to keep swapping out the single
> > serial port cable I have.
>
> It probably depends on the USB / Serial adapter. Some USB / serial
> adapters work with some software and not with other software. Others may
> work with the other software. There may also be a problem with multiple
> USB / serial adapters on a hub. The driver software may map the adapters
> to different COM ports the next time you start the computer. The
> drivers I have seen have no provision for hard coding which adapter is
> which COM port. Lastly, I'm pretty sure you won't be able to have
> different models or versions of USB / Serial adapaters installed at the
> same time. Each requires a different driver and installing one driver
> requires removing the other driver.
>
> If you are only concerned with running one radio at a time, consider a
> mechanical A-B-C-D serial switch. They should be available for $10 or
> so. You will probably need some gender changers as most of the serial
> switches I've seen use female DB-9's all around, and unfortunately, the
> 4 output (from switch to radios) are the ones that need to be male.
>
> I use the A-B-C-D switch approach in my shack.
>
> 73,
> Mark
>
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