[GreenKeys] ASR33 punch reader control line

Mon May 13 10:36:41 EDT 2013

Ed,

You have an after market TWX.  Not sure what you will find under the touch tone dial pad.  You need to remove the whole cover and see whats inside.  It may be a regular UCC-6 but I doubt it.  UCC-6 is the electronics on a straight computer 33.  

The front covers (plate) are difficult to find in good shape.  

But first you need to see whats inside.  

Wayne

-----Original Message-----
From: COURYHOUSE <COURYHOUSE at aol.com>
To: teletypeparts <teletypeparts at aol.com>; lester <lester at veenstras.com>; jhhaynes <jhhaynes at earthlink.net>
Cc: greenkeys <greenkeys at mailman.qth.net>
Sent: Mon, May 13, 2013 5:07 am
Subject: Re: [GreenKeys] ASR33 punch reader control line

folks  it says  twx on modem... but  also says  ddd    so I assume it is!?  not a telex? even though it has  western union   stuff on it!?  runs... keyboard a little  sluggish   but  will not  carriage return  but  does  line    feed.  (  go I guess I need a service  hint for the no return)  I have not  even popped the  case  yet.  

what is the interface between the modem and  the  tty?   current  loop or!?

I need to  find the  metal trim strip and a knob  for the     front of the beast.

all the years of  working  with these  in the old  times   i never had any twx. or telex ones... they  all came  off computers...

we have  3  rooms  of  new  displays... so   the   maint.on machine  stuff is  stacking up!   have this one  the 28 stuck keyboard and the  other  28  that  linefeeds all the time!  argh!

thanks  for any and all  elp  guys

ed#

In a message dated 5/12/2013 12:54:00 P.M. Mountain Standard Time, teletypeparts at aol.com writes:

Later model TWX would be converted to ASCII 33 with a UCC-6, some cover parts and a tape reader solonoid in the printer change.  TWX soloid is 48 VAC.  Needs 120 VAC or you will get smoke.  

Wayne

-----Original Message-----
From: Lester Veenstra <lester at veenstras.com>
To: 'Jim Haynes' <jhhaynes at earthlink.net>; 'Teletypeparts' <teletypeparts at aol.com>
Cc: greenkeys <greenkeys at mailman.qth.net>
Sent: Sun, May 12, 2013 12:36 pm
Subject: RE: [GreenKeys] ASR33 punch reader control line

Well you can convert a TWX to Baudot so they are not that worthless HI

ester B Veenstra  MØYCM K1YCM W8YCM
ester at veenstras.com
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----Original Message-----
rom: Jim Haynes [mailto:jhhaynes at earthlink.net] 
ent: Thursday, May 09, 2013 12:16 AM
o: Teletypeparts
c: lester at veenstras.com; greenkeys at mailman.qth.net
ubject: Re: [GreenKeys] ASR33 punch reader control line
On Wed, 8 May 2013, Teletypeparts wrote:
> Lester,

 You are correct.  Normally the 33 ASR tape reader works in Line mode 
 the same as Local mode.    I have been removing the DEC reader control 
 card for most all of my restored 33's until recently when quite a few 
 people were asking for that option.   
eah, when you find a 33 ASR on ebay, if it has the DEC computer mod installed, 
hose go for big bucks to people who are trying to restore old DEC computers.  
he TWX models, on the other hand, are almost worthless in terms of $.

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