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Re: [RTTY] USB-Serial

To: Jim Rhodes <jimk0xu@gmail.com>
Subject: Re: [RTTY] USB-Serial
From: Robert Chudek - K0RC <k0rc@citlink.net>
Reply-to: k0rc@citlink.net
Date: Mon, 13 Jun 2011 12:26:27 -0500
List-post: <rtty@contesting.com">mailto:rtty@contesting.com>
Am I looking at the right product? The Digi Edgeport/2 is going for 
$100+, the /4 is $200+, and the /8 is listed $300+ on eBay. Looks like a 
nice solution if you need a multi-port solution.

But I was thinking along the lines of a single-port $20 device... like 
these on eBay: *http://tinyurl.com/4x6tfx8*

Or these on the open web... *http://tinyurl.com/3ujxn2h*

In either case, there are a variety of solutions that allow an RTTY 
operator to use century old technology on modern equipment!

73 de Bob - KØRC in MN

------------------------------------------------------------------------


On 6/13/2011 11:40 AM, Jim Rhodes wrote:
>
> The EdgePort multiport adapters that I use do a fine job on baudot.
> No EXTFSK needed. Check ebay for 4 and 8 port models.
> Jim K0XU
> Sent from my Droid X
>
> On Jun 13, 2011 11:29 AM, "Robert Chudek - K0RC" <k0rc@citlink.net 
> <mailto:k0rc@citlink.net>> wrote:
> > Hello Pete,
> >
> > The most effective solution is to use a software driver called EXTFSK.
> > This removes the need to find an "old" USB/Serial converter to run FSK
> > at 45 baud. Using this software driver with MMTTY allows just about any
> > modern USB/Serial device to work. There is an issue though, to ensure
> > the USB/Serial converter works it's best to find a device based upon 
> the
> > FTDI chip set (as opposed to the Prolific chip set).
> >
> > Here's a link to the FTDI site: http://www.ftdichip.com/FTProducts.htm
> >
> > Make certain the converter you purchase says it uses the FTDI chipset
> > and driver. The Prolific chipset "might" work, but it's a crap shoot,
> > depending upon its age and software driver.
> >
> > So there's two pieces to the puzzle... Using the EXTFSK software driver
> > with MMTTY and using an FTDI based converter for the hardware 
> connection.
> >
> > 73 de Bob - KØRC in MN
> >
> > ------------------------------------------------------------------------
> >
> >
> > On 6/13/2011 11:14 AM, peter.jackson17@ntlworld.com 
> <mailto:peter.jackson17@ntlworld.com> wrote:
> >> Hi I know this has been on the reflector many times but the old 
> memory cells are getting past their sell by date. What's the model of 
> the usb to serial converter that works with rtty. I know the cheapo 
> ones don't like the slow baud rate and 5 data bits.
> >> My on board graphics failed at the weekend during the contest on my 
> main computer so it would be a good idea if I have a backup system 
> using my laptop.
> >> Thanks in advance, 73 Pete G3KNU
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> >>
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