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SW USB Series • Installation
PRELIMINARY
Mounting the SW USB Series Switcher
The SW USB Series switcher can be set on a table, mounted on a rack shelf, or
mounted under a desk, podium, or table.
Tabletop use
Four adhesive rubber feet are included with the SW USB switcher. For tabletop use,
attach one foot at each corner on the bottom of the unit, and place the switcher in
the desired location.
Rack mounting
For optional rack mounting, do not install the rubber feet. Mount the switcher on
any of the following rack shelves:
• RSB 123 — 1U, 3.5" Deep VersaTools
®
Basic Rack Shelf (part #60-604-20)
• RSF 123 — 1U, 3.5" Deep VersaTools Rack Shelf Kit (part #60-190-20)
• RSB 126 — 1U, 6" Deep Basic Rack Shelf (part #60-604-10)
• RSU 126 — 1U, 6" Deep Universal Rack Shelf Kit (part #60-190-10)
• RSB 129 — 1U, 9.5" Deep Basic Rack Shelf (part #60-604-01)
• RSU 129 — 1U, 9.5" Deep Universal Rack Shelf Kit (part #60-190-01)
UL rack mounting guidelines
The following Underwriters Laboratories (UL) guidelines pertain to the safe
installation of the equipment in a rack.
1
. Elevated operating ambient temperature — If the equipment is 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 equipment in an environment compatible with the maximum
ambient temperature (Tma = +122 °F, +50 °C) specied 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 — When mounting the equipment in the rack, ensure
that uneven mechanical loading does not cause a hazardous condition.
4
. Circuit overloading — When connecting the equipment to the supply
circuit, consider the effect that circuit overloading might have on overcurrent
protection and supply wiring. Consider equipment nameplate ratings 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).
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