[GreenKeys] Fw: New Introduction

VK6CP oseagram at gmail.com
Wed Feb 17 01:06:56 EST 2010


>Sam Hallas wrote:
> I didn't know that GNT made any printer equipment. I have seen
> advertisements for their Morse equipment in old magazines - undulators,
> reperforators etc.

> Nico de Jong wrote:
> >  For the danish data museum, I'm presently trying to revive a
> >  teleprinter called GNT, type 15. It has built-in puncher and tape
> >  reader. It seems to come from the danish telex network, as it has
> >  been type approved by the PTT. My guess is that the connections are
> >  identical to Siemens, as there are 8 cables with the same colors as
> >  used by Siemens. Furthermore, I can measure about 200 ohm across 2
> >  combinations. What I cannot guess, is whether it is a 20 or 40 mA
> >  machine. Siemens uses 40. What could happen if I press 40 mA through
> >  a 20 mA machine ?

You're mentioning GNT equipment Nico, I have a GNT Transmitter Model 115
service instruction booklet includes parts list.
You're welcome to it for your museum literature collection.
73
Larry VK6CP


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