Extron electronic MMX 42, MMX 62 Installation, cont’d, Under-desk mounting, Mounting instructions

Installation, cont’d

5. Reliable earthing (grounding) — Maintain reliable grounding of rack-mounted equipment. Pay particular attention to supply connections other than direct connections to the branch circuit (e.g. use of power strips).

Mounting instructions

On the 6-inch and 9.5-inch deep rack shelves, the switcher can be mounted in the front or the rear of the rack.

1.	Remove the feet from the bottom of the switcher, if they
	are installed.
2.	Mount the switcher using two 4-40 x 3/16 inch screws in
	opposite (diagonal) corners to secure the unit to the shelf
	(figure 2-2).

RSU 129 1U Universal Rack Shelf

1/2 Rack Width Front False

Faceplate

Under-desk mounting

Mount the unit to a desk or podium using the optional MBU 123 under desk mounting kit (part #70-212-01) as follows:

1.	If rubber feet were previously installed on the bottom of
	the unit, remove them.
2.	Attach the mounting brackets to the switcher with the
	machine screws provided (figure 2-3).
3.	Hold the unit with the brackets attached against the
	underside of the table or other furniture. Mark the location
	of the screw holes of the bracket on the mounting surface.

OUTPUTS
1
2	1	INPUTS
	2
		3
		4
		CONFIG
		VIDEO
		AUDIO
		MMX	SERIES

Front false faceplate uses 2 screws.

Use 2 mounting holes on opposite corners.

NOTE: Using screws longer than 3/16" will damage the unit and void the warranty.

(2)4-40 x 3/16" Screws

Figure 2-3 — Under-desk mounting the MMX

4.	Drill 3/32-inch (2 mm) diameter pilot holes, 1/4 inch
	(6.3 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

Figure 2-2 — Mounting the switcher on a standard (9.5-inch) rack shelf

3. Install false faceplate(s) or other unit(s) to the rack shelf.

	1/4 inch (6.3 mm) of the screw head 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 the unit in place.

2-4 MMX 42/62 Series Matrix Switchers • Installation MMX 42/62 Series Matrix Switchers • Installation 2-5