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UL Rack Mounting Guidelines
The following Underwriters Laboratories (UL) guidelines pertain to the safe installation of the
MPS 602 in a rack.
1.
Elevated operating ambient temperature — If installed in a closed or multi-unit rack
assembly, the operating ambient temperature of the rack environment may be greater
than room ambient temperature. Therefore, install the device in an environment
compatible with the maximum ambient temperature (Tma = +122 °F, +50 °C) specified
by Extron.
2.
Reduced air flow — Install the equipment in a rack so that the amount of air flow
required for safe operation of the equipment is not compromised.
3.
Mechanical loading — Mount the equipment in the rack so that a hazardous condition is
not achieved due to uneven mechanical loading.
4.
Circuit overloading — Connect the equipment to the supply circuit and consider the
effect that circuit overloading might have on overcurrent protection and supply wiring.
Appropriate consideration of equipment nameplate ratings should be used when
addressing this concern.
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).
Rack Mounting
Rack mount the switcher as follows:
1.
Attach the supplied rack mounting brackets to the switcher with the eight provided
#8 machine screws, (see figure
2.
Insert the switcher into the rack, aligning the holes in the mounting bracket with those of
the rack.
3.
Secure the switcher to the rack using the supplied machine screws.
Table or Wall Mounting
The table/wall mounting brackets extend approximately 1/4 inch (6.4 mm) above the top
surface of the switcher enclosure allowing for an air space between the enclosure and the
surface. Table or wall mount the switcher as follows:
1.
Attach the table/wall mounting brackets to the switcher with the eight provided
#8 machine screws (see figure 19).
2.
Hold the switcher 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.
3.
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.
4.
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 screw's head protrudes.
5.
Align the mounting screws with the slots in the brackets and place the switcher against
the surface, with the screws through the bracket slots.
6.
Slide the switcher slightly forward or back, then tighten all four screws to secure the
switcher in place.
19
on page 33).
MPS 602 • Reference Information
34
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