
Installation
MPX 423 A • Installation
Mounting the Matrix Switcher
The MPX 423 A is housed in 1U high, 17.4” wide metal enclosures that are rack- or
desk-mountable. The appropriate rack/desk mounting kit (#70-077-03) is included
with the switchers. The switchers may also be surface-mounted under a table, desk,
or podium, or on a wall, using an optional Extron 1U enclosure under-desk
mounting kit (#70-222-01).
Tabletop use
For tabletop use, affix a self-adhesive rubber foot to each corner of the bottom of the
switcher.
Rack mounting the switcher
Rack mount the switcher as follows:
1. If feet were previously installed on the bottom of the switcher, remove them.
2. Attach the rack mount brackets to the switcher with the eight #8 machine
screws provided (figure 2-1).
50/60 Hz
100-240V 0.3A
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#8 Screw (4 Plcs)
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Mounting Screws (2 Plcs)
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Supplied Bracket
Optional Bracket
Figure 2-1 — Mounting the switcher
3. Insert the switcher into the rack, align the holes in the mounting bracket with
those of the rack.
4. Secure the switcher to the rack using the supplied machine screws.
Furniture mounting the switcher
The MPX 423 A can be mounted under a table or other horizontal surface with an
optional Extron under-desk mounting kit (part #70-222-01).
1. Secure the two table/wall mounting brackets included in the under-desk
mounting kit to the switcher with the eight machine screws provided in the
kit (figure 2-1).
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