9 Dec
2021
9 Dec
'21
2 a.m.
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 www.i-telex.net. 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 i-telex.net
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:
https://www.youtube.com/watch?v=dL-XU855C80
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 12bitsbest.com> 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