Dell S3048-ON EMC PowerSwitch Installation Guide March 2022 - Page 15

Rack or cabinet hardware installation, ReadyRails system installation

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Rack or cabinet hardware installation 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 EMC 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. NOTE: The illustrations in this document are not intended to represent a specific switch. NOTE: Do not the use the mounted ReadyRails 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 S3048-ON switch. You can install the ReadyRails system using the 1U tool-less method or one of three 1U tooled methods-two-post flush mount, two-post center mount, or four-post threaded. 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. In the following illustration, item 1 and its extractions show how the pegs appear in both the square and non-threaded round holes. Install the S3048-ON 15

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Rack or cabinet hardware installation
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 EMC 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.
NOTE:
The illustrations in this document are not intended to represent a specific switch.
NOTE:
Do not the use the mounted ReadyRails 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 S3048–ON switch.
You can install the ReadyRails system using the 1U tool-less method or one of three 1U tooled methods—two-post flush mount,
two-post center mount, or four-post threaded.
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. In the following illustration, item 1 and its extractions
show how the pegs appear in both the square and non-threaded round holes.
Install the S3048–ON
15