On January 22, Tothwolf wrote:
> > - Black Box 232/CL-E RS232 to Current Loop adapter -- modem-sized box
>
> What are these for? I've got two or three of these units on a shelf behind
> some boxes.
Uhh, they convert RS232 to a current-loop interface? :)
PDP8, early PDP11, and lots of other systems used 20mA (and other)
current-loop interfaces before +-15V RS232 came into vogue.
-Dave
--
Dave McGuire
St. Petersburg, FL "Less talk. More synthohol." --Lt. Worf
Received on Tue Jan 22 2002 - 17:56:27 GMT