From: "Joe R." <rigdonj(a)cfl.rr.com>
---snip---
 However I am going to call them and tell them again
 not to do anything with the rack and to save it for me.
   Joe 
Hi Joe
 It would be best to have all the cards pulled. This
would minimize electrolysis if the connectors get wet.
 It sure sounds like it is a control unit or possibly
even a processor unit for something.
Dwight