- Notes, Cautions, and Warnings
- About this guide
- The S4048–ON switch
- Site preparations
- NEBS compliance
- S4048–ON installation
- Power supplies
- Fans
- Management ports
- Specifications
- Chassis physical design
- IEEE standards
- Agency compliance
- Network Equipment Building Systems Compliance
- USA Federal Communications Commission Statement
- European Union Directive Conformance Statement
- Japan VCCI Compliance for Class A Equipment
- Korean Certification of Compliance
- Safety Standards and Compliance Agency Certifications
- Electromagnetic Compatibility
- Product recycling and disposal
- Technical Support
Dell PowerSwitch S4048-ON Installation Guide February 2024
Rack or cabinet hardware installation
You may either place the switch on the rack shelf or mount the switch directly into a 19" wide, EIA-310- E-compliant rack—four-post, two-post, or threaded methods. The ReadyRails™ system is provided for one 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.
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.
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