Dell S4048-ON EMC PowerSwitch Installation Guide March 2021 - Page 17
ReadyRails system installation, Rack mount safety considerations
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NOTE: The illustrations 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 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 rear panel facing in the downward position. 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 non-threaded 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 procedure 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