Dell EMC PowerSwitch S5148F-ON Installation Manual - Page 14
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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.
Fans and airflow
The S5148F-ON switch fans support two airflow options: normal and reverse.
Fan combinations
Fan installation is done as part of the factory install based on stock keeping unit (SKU) type. The S5148F-ON switch has SKUs
that support the following configurations:
● AC or DC PSU with fan airflow from the I/O to the PSU—the red indicator is the normal airflow direction
● AC or DC PSU with fan airflow from the PSU to the I/O—the blue indicator is the reverse airflow direction
Order the fans suitable to support your site's ventilation. Use a single type of airflow fan in your switch. Do not mix reverse and
normal airflows in a single S5148F-ON switch.
For proper ventilation, position the switch 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 S5148F-ON switches near each other, to permit proper airflow, position the
two switches at least 5 inches (12.7 cm) apart. The fan speed varies based on internal temperature monitoring. The S5148F-ON
switch never intentionally turns off the fans.
For more information, see Fans.
Power
Connect the switch to the applicable power source using the appropriate power cord. An AC power cord is included with each
PSU.
When installing AC or DC switches, follow the requirements of the National Electrical Code, ANSI/NFPA 70, where applicable.
The switch is powered-up when you connect the power cord between the switch and the power source. For more information,
see
Power
supplies.
CAUTION:
Always disconnect the power cable before you service the power supply slots. The switch has
multiple power cords. Before servicing, ensure all power cords are disconnected.
CAUTION:
On an AC switch, use the power supply cord as the main disconnect device. Ensure that the socket-
outlet is located and installed near the equipment and is easily accessible.
NOTE:
Module power is software controlled. You do not see module LEDs when the switch powers up in ONIE.
Storing components
If you do not install your S5148F-ON switch and components immediately, properly store the switch and all optional components
using these guidelines:
● Storage location temperature must remain constant. The storage range is from -40°C to 70°C (-40° to 158°F).
● Store on a dry surface or floor, away from direct sunlight, heat, and air conditioning ducts.
● Store in a dust-free environment.
NOTE:
ESD damage can occur when components are mishandled. Always wear an ESD-preventive wrist or heel ground
strap when handling the S5148F-ON switch and accessories. After you remove the original packaging, place the S5148F-ON
switch and components on an anti-static surface.
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