[GreenKeys] Teletype model 45 rectifier

Paul Heller paul0926 at comcast.net
Sat Jun 22 01:04:42 EDT 2019


I’ve seen those connectors on a model 19
table. Not saying that is what they are for, just my experience. 

I am away right now for another 19 days but will definitely check this, Joe, when I return and will also check the “model 45”

Paul
W2TTY



> On Jun 22, 2019, at 12:02 AM, Duncan Brown <duncanancy at earthlink.net> wrote:
> 
> Joe,
> 
> Yes, it is a loop supply. I'm not familiar with a "Model 45", but Teletype Corp used a lot of special connectors so that the user wouldn't get confused on where to plug them in.  If you don't have the specific Teletype Corp. table that went with that supply, the special plugs are meaningless.  The cord with the male contacts will be the 120VAC input, the cord with the female contacts will be the 120VDC loop supply. (Ohm them out to be sure!) Cut off the special connectors and wire it into your system.
> 
> You will need about 2000 Ohms in series to limit the current to 60 ma.
> 
> have fun,
> 
> Duncan
> K2OEQ
> 
> 
>> On 6/21/2019 17:41, Joe Herdler via GreenKeys wrote:
>> Hi All,
>> 
>> One of the many Teletype things that I have gathered over the years is a rectifier. It is simply labeled as Teletype Rectifier, model 45. It has two cords coming out of it, one with a two prong plug but the planes of the prongs are 90 degrees from eachother, i.e., one is vertical and one is horizontal. The other cord has a socket on it, a strange three prong socket with the blade holes all with the plane of the blades facing into the center.
>> 
>> Does anyone have any information about this unit? Is it a loop supply? It would be wonderful if it was as the loop supply that I have been using is now defunct. Where would I get matching plugs and sockets so that I can use this device without butchering it?
>> 
>> Thank you much,
>> 
>> Joe KB0TXC
>> 
>> Consciousness affects the medium. Think happy, be happy, and happiness will follow you.
>> 
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