Pinout for current loop interface

Bill Degnan billdegnan at
Sat Aug 17 12:12:27 CDT 2019

> Thanks for the comments... I asked mostly because the ADM-3A has both
> RS-232
> and current loop interfaces built-in (on the same female DB-25), selected
> by
> one of the
> DIP switches.
> I just hate having to make a custom cable for every terminal and computer I
> own or work <snip>

I have some specific pinouts for current loop on my site... for dec pdp
11/05, swtpc 6800, altair 680, and rs232 to current loop conversion.


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