[GreenKeys] 60 ma current loop to RS232 converter

[Jeff Albrecht]

On 2/23/2018 1:10 PM, Michael via GreenKeys wrote:
> Does anyone know where to buy or how to make a 60 MA current loop to 
> RS232 converter that will power the loop needed to connect to a Model 
> 32TT and let me plug into an RS232 port on a PC? Then I can connect to 
> the HTTP://INTERNET-TTY.NET:8000/ITTY 
> <http://internet-tty.net:8000/ITTY> and talk to others by TTY, I 
> assume....?
>
> Thanks,
>
> Mike
>

You can check out my build for an ASR 33 
https://wiki.theretrowagon.com/wiki/20ma_current_loop_to_RS-232_conversion 
There is a resource section pointing to some other articles on the web. 
My build is from deRamp "RS-232 Interface for the Teletype ASR-33" 
http://altairclone.com/teletype.htm

  - Jeff
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