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Dell PowerSwitch S4048-ON User Manual

Dell PowerSwitch S4048-ON
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Rack mounting
When you prepare your equipment rack, ensure that the rack is grounded.
Ground the equipment rack to the same ground point the power service in your area uses. The ground path must be permanent.
Switch ground
Dell Technologies recommends you ground your switch. Use the S4048ON in a common bond network (CBN).
Connect the grounding cables as described in Install the S4048ON.
Fans and airflow
The S4048ON fans support two airflow options.
Fan combinations
The S4048-ON has stock keeping units (SKUs) that support the following configurations. Installation of the fans is done as part
of the factory install based on SKU type.
AC PSU with fan airflow from the I/O-side to the PSU-side
AC PSU with fan airflow from the PSU-side to the I/O-side
Be sure to order the fans suitable to support your site ventilation. Use a single type of airflow-fan in your switch. Do not mix
reverse and normal air flows in a single S4048ON chassis.
For proper ventilation, position the S4048-ON in an equipment rack (or cabinet) with a minimum of 5 inches (12.7 cm) of
clearance around the exhaust vents. When you install two S4048-ON switches near each other, position the two chassis at
least 5 inches (12.7 cm) apart to permit proper airflow. The fan speed increases when the internal temperature reaches 161.6°F
(72°C) and decreases to normal speed when the temperature falls to 136.4°F (58°C). The S4048-ON never intentionally turns
off the fans.
Power
To connect the chassis to the applicable power source, use the appropriate power cord with the S4048ON. An AC power cord
is included with the switch.
When installing AC switches, follow the requirements of the National Electrical Code, ANSI/NFPA 70 where applicable.
The switch is powered-up when the power cord is connected between the switch and the power source.
CAUTION: Always disconnect the power cable before you service the power supply slots.
CAUTION: Use the power supply cord as the main disconnect device on the AC switch. Ensure that the socket-
outlet is located/installed near the equipment and is easily accessible.
Storing components
If you do not install your S4048ON and components immediately, Dell Technologies recommends properly storing the switch
and all optional components by following these guidelines.
Storage location temperature must remain constant ranging from -40° to 158°F (from -40°C to 70°C).
Store on a dry surface or floor, away from direct sunlight, heat, and air conditioning ducts.
Store in a dust-free environment.
Site preparations
13

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Dell PowerSwitch S4048-ON Specifications

General IconGeneral
BrandDell
ModelPowerSwitch S4048-ON
CategorySwitch
LanguageEnglish

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