Please follow these instructions if you need to open the 932 interface enclosure.
Reassembly is obvious once you've opened the case: just reverse the steps.
CAUTION: DO NOT REMOVE SCREWS OTHER THAN THE ONES SHOWN BEING REMOVED HERE.
1. Remove the knob from the shaft encoder
Use a 1/16" inch allen key.
2. Remove the two outermost screws from the rear panel
Use a phillips screwdriver.
3. Slide the board out
Once the board is out: Be careful not to handle the optical fibers which can be easily damaged.