[GreenKeys] [Bulk] Re: [Bulk] Re: i-Telex, revisited...

[Henning Treumann]

> Jeff,
>>
>> we are working on a modification of our software (firmware)
>> to connect also 60WPM machines without the TW39 dialler unit.
>>
> But I'm still advocating people using 66 WPM machines to talk through
> the i-Telex network.
>
>> The (for our network needed) answerback is emulated by software
>> on the board.
>> But this makes it necessary to switch (auto start) the motor somehow
>> when a call comes in.
>> If a machines has such an idle line timer installed, as all my USTTY
>> machines have surprisingly, the modification can be done only by software.
>> For machines without such a timer there will be also need of a hardware
>> modification to switch the motor with a relay.
>>
> Jack, K0TTY/K2TTY made up some autostart boards.
> I built one for use with the Lo-15b without the Dial Control Unit.
>
>> But anyway, an original Telex machine is still first choice in operation.
>>
>> Die "dual mode" board as you call it emulates a teleprinter at one port
>> of the board.
>> You can operate it with a terminal software at the serial port. But is
>> stand alone
>> and receives and stores also messages without any computer/terminal
>> connected
>>
> Oh, right, so the "serial" port is actually an RS-232 interface, not a
> local
> loop. But you can use a TTY machine with a loop to RS-232 converter to
> talk to the serial port. And the machine is then "just a dumb terminal"
> at that point and doesn't need any of the TWX/TW39 features.


no. the serial port is a fully operating emulated on board (glass)
teleprinter.
You could even join our network without having a machine, but this has not
been
our intention to design the system....
The terminal (9600 8N1) is just a "replacement" for paper. ;-)
When connecting a real machine to the original TW39 port of the board it
is also possible to dial up to either the real machine or serial port
(emulated machine),
respectively.

In your case you can dial up to your Lo15 and send messages and texts
and vice versa. I use my serial port often to copy and paste TTY art from
the
internet and print it out and punch it on the teleprinter.
The TXP2/i-Telex system is a small Telex PABX system. You can connect
different machines to as many ports you like, just depending of how many
boards you use. You can dial up internally from machine to another
connected one
or dial out to connect other i-Telex members around the world by using a
prefix
number, e.g. 0


Henning DF3OE
i-Telex: 92612
www.teleprinter.net


>
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