I'm happy that you don't call it "Fan-Box" like most people do

The version I built into MDPC 033 and MDPC 037 (both are similar) can only be used with my MB or any non-standard AW9D-MAX

But here is the schematic of mine:

http://h-4.abload.de/img/dimmschalter0q4p.jpg

And it looks like this under the mesh/acrylic:

http://h-4.abload.de/img/verteiler1oqjn.jpg