From: Glen Slick: Wednesday, March 02, 2016 3:36 PM
  On Wed, Mar 2, 2016 at 2:56 PM, Vincent Slyngstad
wrote:
 What, no DSSI bus ID plugs? :) 
I had to Google what those were, being basically a PDP-8 geek.
(I found a set for sale on eBay.)  Those do look like something
that shouldn?t be too hard to print.  I don't know the magic
encoding (or indeed anything else about them), though.
    Vince