Blank cabinet for building own equipment for use in the HM8001
or HM8003 mainframe.
And this is what it looks like when configured for:
+5V = green (pin 1 from the left)
+12 V = red (pin 3)
0 V = black (pins 2, 4 and 5 connected on the rear side)
-12 V = blue (pin 6)