[GreenKeys] Your mileage may vary- i-Telex vs actual Telex prepared model 32 or 33

[Russ Miller]

Hi Mark,

#1 - It's been a while since the Telex network was operational in North
America, it shut down sometime around 1990, so the customer machines have
really scattered.  I do see reports, from time to time, via this Greenkeys
group of Model 32 ASR machines with a rotary dial available on one of the
Internet based marketplaces.  So, maybe you will be lucky.

#2 - Please go here and see what is needed -
https://www.i-telex.net/hardware/

You will need a power supply board - there are two versions.  The more
expensive board contains a test generator which can be very handy in
setting up and maintaining a teleprinter.

You will need an i-Telex board - this required a hardwired - RJ45 -
Internet connection.

You will need a TW39 Board - there are two versions.  If you find a
complete Model 32ASR with the call control unit, you can use the TW39
Normal. If you want to have the flexibility to also use a PC with the TW39
emulating a teleprinter, then get the TW39 Special.  There is no price
difference.

You will need a backplane.

You will also need an isolation transformer to convert 120 VAC line voltage
to 15VAC.  The one that I used is this one from Newark -
https://www.newark.com/block/fld-4-15/transformer-iso-30vac-4va/dp/53X8531
for $6.45 plus shipping.

Finally you will need an enclosure to house these components.  Go here to
see some construction examples - https://www.i-telex.net/aufbaubeispiele/
 One recommended source for the
enclosure is here -
https://www.reichelt.de/systemgehaeuse-geh-sg-1-10-p50437.html?GROUPID=3363&OFFSET=16&&r=1

Total cost for the i-Telex boards, depending on the options selected, is
190 euro or about $215.     The enclosure and the isolation transformer are
extra above this cost.

 #3 The i-Telex network is a fantastic recreation of the long gone
International Telex business to business network that started in the early
1930s and came to an end because of advances such as FAX (you could send
images) and e-mail (you could attach images and files).  If you like
teleprinters, you will find an international group of friends with a
similar interest.

See this recent list of i-Telex forum members -
https://www.telexforum.de/memberlist.php?first_char=#memberlist

#4 - I don't have experience here and suggest that another Greenkeys member
please comment.

Best 73

Russ WA3FRP


On Fri, Jun 5, 2020 at 11:06 PM Mark Hall <ke5lib001 at gmail.com> wrote:

> For those gallant folk in Greenkeys who participate in i-Telex,
> whether with the i-Telex device or an actual Telex machine, I ask
> this-
>
> #1- How difficult is it to locate a Telex prepared Teletype machine?
> #2- How much preparation is there to make it work for i-Telex?
> #3 For those using the i-Telex device- how well does it do its job?
> #4 For those lucky enough to have access to both? How do they compare?
>
> Thank you in advance for your insights. The Greenkeys Community is one
> I owe much to, and thank you for sharing this fellowship with me over the
> years I have been here. Thought I'd better say that while I'm still warm,
> vertical
> and breathing lol...
>
> Very 73,
>
> Mark
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