[GreenKeys] Teletype model 33

[drlegendre .]

The TTY to RS-232 side of things is the easy-peasy part; it's getting a
functional ASR33 shipped from USA to anywhere in eastern Europe. As
previously noted, they weigh like mad and can easily self-injure unless
great care is taken in the packing process. IMO, you're best off shipping
the plastic hood and components in a separate box, lest the mass of the
machine come to bear on them in transit..

But didn't the Soviet Bloc manufacture functional clones of the US-made TTY
machines? If not, what did they use to keep up with western tech in the
1960s - 1970s? I'd think the OP would have a much better shot at one of
those machines, versus the trials and travails of procuring a unit from the
US or even western Europe.

Is there some specific reason the OP +must have+ a TTY ASR33? Is this for a
collection / display? How deep are the pockets?



On Thu, Oct 20, 2016 at 11:41 AM, Ed Sharpe Archivist for SMECC via
GreenKeys <greenkeys at mailman.qth.net> wrote:

> Hi   Vladimir   there was also a  teletype supplied  rs-232 adapter on
> some. when we got  all the 33's  from phx union high school that were used
> with their  hp-2000f timeshare system we bought -
>
>  - they were all on added dolly stands and  had  the   real  teletype
> issued  rs232  adapter to connect to datasets  a  bit  foggy I think there
> was  20 or 30 of them. wish I had  saved some of these... but  heck that
> was over 25 years  ago... But!   be advised  they  do exist on units out
> there and  back in the day they were extremely reliable.
>
> Ed Sharpe archivist for SMECC  www.smecc.org
>
> In a message dated 10/20/2016 9:31:28 A.M. US Mountain Standard Time,
> legalize at xmission.com writes:
>
>
> In article <122BFBA6-F349-4900-8875-36C2F99B3C30 at gmail.com>,
>     Vladimir Romanov <vlaarom at gmail.com> writes:
>
> > Hello,
> >
> > My name is Vladimir. I'm from Russia.
> >
> > I really want to buy a working model 33.
> >
> > I want to use it as a rs-232 terminal.
>
> Your best bet is to find one on the European continent.  They are big
> and heavy and expensive to ship.  Getting one sent from the US would
> be pretty expensive.  They need to be properly secured before shipping or
> things will need to be repositioned before they can be operational again.
> I believe there is some sort of bolt that holds things in place?  I don't
> recall the details.
>
> As for using it as an RS-232 terminal, that can be done.  Most (all?)
> teletypes are setup for current loop communication (20 mA for model
> 33, 60 mA for other models), so you will need a current loop to
> RS-232 converter.  These are easily purchased and/or constructed if
> you are handy with electronics.
> --
> "The Direct3D Graphics Pipeline" free book <http://tinyurl.com/d3d-
> pipeline>
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