ard at p850ug1.demon.co.uk
Sun Jul 10 14:34:27 CDT 2005
> Hi Stefan,
> > Can anyone give me some more information about a Teleprint 390 ?
> Teleprint 390 is an original Teletype ASR 33 in another cover. That's
> all. There is NO (!!) other difference. The Teleprint cover is made of
Is the 'call control unit' -- the electronics chassis on the right hand
side -- the same? I have a Data Dynamics machine (and I think it's a
model 390) where the mechaical bits are normal Teletype ones, but the
call control unit is very different. It's built on a couple of PCBs (!)
and can handle both RS232 and current loop interfaces.
> metal and has a light. That makes the machine more comfortable and more
> > I have one now and I think its pretty cool, works just fine but it would
> > be nice to know some background information.
> See above. You don't need any more info. Or do you need service manuals
> for the cover???
Believe it or not, the Teletype manuals for the Model 33 do have cleaning
and lubrication charts for the cover...
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