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echo: tech
to: Roy J. Tellason
from: Leonard Erickson
date: 2003-05-17 06:02:08
subject: Info on old Serial to parallel converter

-=> Quoting Roy J. Tellason to Leonard Erickson <=-

 RJT> Leonard Erickson wrote in a message to Roy J. Tellason:
 
 LE> Ah. It does come apart without too much trouble.
 
 LE> Would an LM341 be the regulator?

 RJT> Probably.  Sounds like a 3-terminal 5v regulator,  if I'm remembering
 RJT> right.  (Added later)  I looked it up.  Would that part number have a
 RJT> -5 after it?  That'd be the regulated output voltage.  Or
 RJT> dash-whatever...  Terminals will be in-ground-out,  with the metal tab
 RJT> away from you,  and the in should go to that power input connector, 
 RJT> and will want to be *positive*. 

Can't read the part number on the part. I had to get it from the
circuit board. I may dig out my digital camera and take pictures. this
puppy is *tightly* packed.

 RJT> That was easy enough.
 
 LE> There's also a 8 position DIP switch inside (probably for setting 
 LE> serial parameters).
 
 RJT> That could be somewhat more difficult.  

Gets better, there's a block of jumpers by the serial port. I couldn't
see them until I opened it up and seperated the two circuit boards.
 


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