NOTE: The figures in this document are not intended to represent a specific switch.
NOTE: Do not the use the mounted Ready-Rails as a shelf or a workplace.
Rack mount safety considerations
● Rack loading—Overloading or uneven loading of racks may result in shelf or rack failure, causing damage to the equipment
and possible personal injury. Stabilize 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’s load rating.
●
Power considerations—Connect only to the power source specified on the unit. When multiple electrical components are
installed 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 installed 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 the amount of airflow that is required for safe operation of the
equipment is not compromised.
● 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: Use of power strips.
● Do not mount the equipment with the back panel facing downward.
ReadyRails system installation
The ReadyRails rack-mounting system is provided to easily configure your rack for installation of your S4048-ON switch.
You can install the ReadyRails system using the 1U tool-less method or one of three possible 1U tooled methods: two-post flush
mount, two-post center mount, or four-post threaded.
CAUTION:
Your switch is not NEBS Earthquake Z4-compliant if you use the 1U tool-less square-hole or two-post
installation methods.
1. With the ReadyRails flange ears facing outward, place one rail between the left and right vertical posts.
Align and seat the rear flange rail pegs in the rear vertical post flange. Item 1 and its extractions show how the pegs appear
in both the square and nonthreaded round holes.
Figure 6. 1U tool-less configuration
2. Align and seat the front flange pegs in the holes on the front side of the vertical post, item 2.
3. Repeat this step for the second rail.
4. To remove each rail, pull on the latch release button on each flange ear and unseat each rail, item 3.
S4048–ON installation
17
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