[GreenKeys] Computer to TTY Interfacing

[Steve Garrison]

Here is the link to the twin phone jacks:

 

http://www.surplussales.com/Connectors/Aud1-4-2.html

 

Seems like the price is considerably higher now!  My demand must have driven
the price up!  LOL

 

I've also order some of the Jack Boxes as well.  Mounted them to my
machines' cabinets and then just used patch cords from them to my panels ,
including to the TTYConnect box.  I've wired the boxes so that when a dummy
plug is inserted in to one jack the TX and RX are separated, and when the
dummy plug is removed the TX/RX are in series.

 

Steve G.N4TTY

 

 

From: GreenKeys [mailto:greenkeys-bounces at mailman.qth.net] On Behalf Of ken
Schwieker
Sent: Monday, August 11, 2014 2:52 PM
To: GreenKeys at mailman.qth.net
Subject: Re: [GreenKeys] Computer to TTY Interfacing

 

Steve,
Very nicely built. Where did you get the twin phone jack?
Ken S


At 11:06 AM 8/11/2014, you wrote:



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Danny,
 
Take a look at the link below for a few pictures of a "box" I put together
using the circuit design and the programs available from John Nagle.
 
http://garrisonfamily.net/N4TTY/ttyconnect.htm
 
The small circuit board is John's design, but he shares it with everyone and
it can be found on his web site for the Aetheric Message Machine Company.
See his link under the "Connecting" button.
 
The cabinet I designed and ordered using Front Panel Express software.
 
His software requires you to install and become a little familiar with
Python.  I have a preliminary document that still needs some work on getting
all the pieces working together.
 
You can receive RSS feeds for news from the likes of Rueters and others so
your machine mimics a old newsroom TTY.  You can also, for the moment at
least, send and receive SMS text messages via a GoogleVoice number.  And
receive some "Weather" info for some selected Cities.
 
Once you get familiar with Python you can adapt these programs to your
liking.  I have a program that punches "eyeball" characters on paper tape so
the hole pattern on the tape becomes somewhat a banner tape.  I will be
demonstrating some of this old time technology at a Maker's Faire in the
Atlanta area on the first weekend in October.
 
73,
Steve G./N4TTY
 
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