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Rack or cabinet hardware installation procedure
You may either place the S5448F-ON on a rack shelf or mount the switch directly into a 19" wide, EIA-310- E-compliant rack.
These installation procedures are for four-post rack installation only.
The rails system includes separately packaged rail assemblies.
WARNING:
This document is a condensed reference. Read the safety instructions in your
and Regulatory information booklet before you begin.
CAUTION:
Consider these rackmount safety requirements before installing your switch:
● Rack loading—Overloading or uneven loading of racks may result in shelf or rack failure, possibly damaging
the equipment and causing personal injury. Stabilize racks in a permanent location before loading begins.
Mount the components starting at the bottom of the rack, and 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 switch in a closed rack, the operating temperature of the
rack environment may be greater than the room ambient temperature. Use care not to exceed the 45°C
(113°F) maximum ambient temperature of the switch.
● Reduced air flow—Do not compromise the amount of airflow that is required for safe operation of the
equipment. Install the equipment in the rack so that the equipment constantly has the correct amount of
airflow surrounding it.
● Reliable grounding—Maintain reliable grounding 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 fan panel facing in the downward position.
NOTE:
The figures in this document are not intended to represent a specific switch.
NOTE:
Do not the use the mounted rails as a shelf or a workplace.
Switch installation
Install the S5448F-ON switch in a four-post rack rail configuration or a four-post rack L-bracket installation.
Four-post L-bracket rail installation
Use these installation instructions for racks with threaded holes, 9.5 mm (.354 in) square holes, or 7.1 mm (.279) round holes.
Complete the switch installation in the following order:
1. Attach the L-brackets to the front of the switch.
2. Attach the inner rails to the switch.
3. Attach the outer rails to the rear of the four-post rack.
4. Slide the switch into the rack.
5. Secure the L-brackets to the front of the four-post rack.
NOTE:
You need a user-supplied Phillips screwdriver to complete this installation.
NOTE:
For the EIA 9.5 mm (.354 in) square-hole rack, insert the cage nuts into the rack holes before you secure the
L-brackets to the rack. The cage nuts ship with the brackets and rails.
To install the switch:
1. Remove the rails, L-brackets, and screws from the shipping container.
2. Attach an L-bracket to each side of the switch front using four M4 screws.
Safety, Environmental,
S5448F-ON switch installation
17
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