From: "Doug Jackson" <doug at stillhq.com>
  2) The schematic diagram for what is in a terminator
(and possibly a
 faulty cable to use the connectors from)
 Having trawled the web, I can't find the appropriate schematic :-( 
Here's a pointer to a description that started a cctalk thread back in
2002:
http://classiccmp.org/pipermail/cctalk/2002-August/005182.html
    Vince