Siemens T100 Terminal with Paper Tape - Available

nico de jong nico at
Thu Dec 9 04:21:10 CST 2021

Hello Dominique
If you send me your e-mail address, I can start with sending you the 
user manual, so you can what the software does
This software has an interface to, so you can use it for 
international chats
It also has a lot of other functions, but it would take too long to list 
it all here
Nico (OZ1BMC), formerly PTT telegraph operator

On 2021-12-09 11:14, Dominique Carlier via cctalk wrote:
> Oh great ! But a little bit noisy to use like that ;)
> Well, I'm interested by your software anyway !
> Dominique
> 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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