Siemens T100 Terminal with Paper Tape - Available

Dominique Carlier dce at
Thu Dec 9 04:14:58 CST 2021

Oh great ! But a little bit noisy to use like that ;)
Well, I'm interested by your software anyway !


On 9/12/2021 11:00, nico de jong via cctalk wrote:
> Dominique,
> Well, that is in principle very easy.
> You need a COM port (or simulator) and a little box converting RS232 
> to 50 BPS serial.  Diagrams can be found everywhere. But you could 
> also look at This is a (primarily) german "band of 
> brothers". They have set up an international of teleprinter users, so 
> they can communicate through internet. Nice system, can recommend it.
> If you have (or get) a special interest in teleprinters, I have the 
> software for a teleprinter exchange, also interfacing to
> In this way, you can have a complete telegraph office in your living 
> room (more likely : a garage....)
> 73, Nico
> On 2021-12-08 21:29, Dominique Carlier via cctalk wrote:
>> The subject interests me because I have the same beast but which only 
>> works in local mode. I currently don't know what is required to send 
>> text in this monster through a computer
>> Below is a link to a video of my machine in action:
>> Dominique
>> On 8/12/2021 20:52, Paul Koning via cctalk wrote:
>>> No, it's 5 bit tape.  2 data bits, transport sprocket holes, 3 data 
>>> bits -- top to bottom on the reader (right side), left to right on 
>>> the punch (left side).
>>> DEC PDP-10 systems used six bit code internally but I don't remember 
>>> those appearing on punched tape.  The punched tape machines I have 
>>> seen with 6 channels are typesetting devices, from early tape 
>>> operated Linotype machines (1940s vintage) to 1960s or 1970s era 
>>> phototypesetters.  Those are upper/lower case.
>>>     paul
>>>> On Dec 8, 2021, at 2:23 PM, Mike Katz <bitwiz at> wrote:
>>>> I thought I had recalled that Baudot was 5 bits but the paper tape 
>>>> is 6 bits across and I don't know of any 6 bit character codes 
>>>> except for DECs upper case only character set and even their paper 
>>>> tape had 8 bits so I guessed Baudot.
>>>> On 12/8/2021 1:16 PM, Paul Koning wrote:
>>>>> 5 bit; if it really were 6 bits it would typically be typesetting 
>>>>> codes.
>>>>> That's a relative of the machine used as console terminal on Dutch 
>>>>> Electrologica X8 computers; I recognize the "Iron cross" symbol, 
>>>>> the figures shift character on the D key. But some of the other 
>>>>> function codes have different labels so it isn't actually the same 
>>>>> model.
>>>>> The description I have says that the X8 console used CCITT-2, 
>>>>> a.k.a., Baudot, code but with the bit order reversed.  And also 
>>>>> that it used the all-zeroes code as a printable character rather 
>>>>> than as non-printing fill.
>>>>>     paul

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