Model 33 wiring complexity

Paul Koning paulkoning at
Wed May 10 13:31:45 CDT 2017

> On May 10, 2017, at 2:24 PM, Chuck Guzis via cctalk <cctalk at> wrote:
> On 05/10/2017 10:22 AM, Shoppa, Tim via cctalk wrote:
>> The Model 33's I bought back when I was a teenager, were all ex-Telex
>> use and had exceedingly complicated wiring harnesses as well as
>> built-in modems. They had paper tape readers and punches with various
>> auto-start/auto-stop relay options.
> Wasn't Telex 5-level, not 7?  So they'd be Model 32s--or is my memory
> faulty?

Classically, yes.  I wonder if ASCII was done at some point.  Also, teleprinter service generically comes in a number of flavors, including 6 bit codes (of many variants) for newspaper wire services.


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