Dell Networking S4048 Посібник для початківців - Сторінка 5
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Rack Mounting Safety Considerations
•
Rack mounting — You may either place the switch on a rack shelf or mount the switch directly into a
19" wide, EIA-310-E- compliant rack.
•
Rack loading — Overloading or uneven loading of racks may result in shelf or rack failure, which may
damage the equipment and cause personal injury. Stabilize the racks in a permanent location before
loading begins. Mount the components beginning at the bottom of the rack, then work to the top. Do
not exceed your rack load rating.
•
Power considerations — Connect only to the power source specified on the unit. When you install
multiple electrical components in a rack, ensure that the total component power ratings do not
exceed the circuit capabilities. Overloaded power sources and extension cords present fire and shock
hazards.
•
Elevated ambient temperature — If you install the equipment in a closed rack assembly, the operating
temperature of the rack environment may be greater than the room ambient temperature. Use care
not to exceed the 45°C maximum ambient temperature of the switch.
•
Reduced air flow — Install the equipment in the rack so that you do not compromise the amount of
airflow required for safe operation of the equipment.
•
Reverse air flow — To ensure cool air intake and to avoid hot air blow out from the I/O panel, ensure
that you have the necessary clearance.
•
Reliable earthing — Maintain reliable earthing of rack-mounted equipment. Pay particular attention to
the supply connections other than the direct connections to the branch circuit; for example, the use
of the power strips.
•
Do not mount the equipment with the Utility panel facing in the downward position.
NOTE: These instructions are a condensed reference. Read the safety instructions in your Safety,
Environmental, and Regulatory information booklet before you begin.
NOTE: The illustrations in this document are not intended to represent a specific switch.
Rack Mount the Switch
You may either place the switch on a rack shelf or mount the switch directly into a 19" wide, EIA-310-E-
compliant rack (four-post, two-post, or threaded methods).
The Dell ReadyRails™ system is provided for 1U front-rack and two-post installations. The ReadyRails
system includes two separately packaged rail assemblies and two rails that are shipped attached to the
sides of the switch.
WARNING: This is a condensed reference. Read the safety instructions in your Safety,
Environmental, and Regulatory information booklet before you begin.
CAUTION: Do not use the mounted Ready-Rails as a shelf or a workplace.
NOTE: The illustrations in this document are not intended to represent a specific switch.
Install the Hardware
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