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Use 2 mounting holes on
opposite corners.
(2) 4-40 x 3/16"
Screws
1U Universal Rack Shelf
Both front false faceplates
use 2 screws.
QuarterRackStandardShelf
1/4 Rack Width Front False
Faceplate
1/2 Rack Width Front False
Faceplate
Figure 27. Mounting the MVC 121 Plus on a Universal Rack Shelf
3. Install blank panels or other units on the rack shelf.
Furniture Mounting
Furniture mount the MVC (see the following diagram) using the optional mounting kit
(Extron MBU 123, part number 70-212-01), as follows:
1. Attach the selected mounting brackets with the machine screws provided.
2. If feet were previously installed on the bottom of the cabinet, remove them.
3. Hold the unit with the attached brackets against the underside of the table or other
furniture, or against the wall. Mark the location of the screw holes of the bracket on
the mounting surface.
4. Drill 3/32 inch (2 mm) diameter pilot holes, 1/4 inch (6.4 mm) deep in the mounting
surface at the marked screw locations.
5. Insert #8 wood screws into the four pilot holes. Tighten each screw into the mounting
surface until just less than 1/4 inch of the head of the screw protrudes.
6. Align the mounting screws with the slots in the brackets and place the unit against
the surface, with the screws through the bracket slots.
7. Slide the unit slightly forward or back, then tighten all four screws to secure it in
place.
MVC 121 Plus • Reference Information 53