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Precautions Specific to Fan Assemblies
DANGER
Be careful not to accidentally insert your fingers into the fan assembly while removing it from the chassis. The fan may still be spinning
at a high speed.
CAUTION
Disassembling any part of the power supply and fan assembly voids the warranty and regulatory certifications. There are no user-
serviceable parts inside the power supply and fan assembly.
CAUTION
Ensure that the airflow direction of the power supply unit matches that of the installed fan assembly. The power supplies and fan
assemblies are clearly labeled with either a green arrow with an "E", or an orange arrow with an "I."
CAUTION
If you do not install a module or a power supply in a slot, you must keep the slot filler panel in place. If you run the chassis with an
uncovered slot, the system will overheat.
Identifying the Airflow Direction
The power supply and fan assemblies are identified by the following airflow directions:
•
Intake power supply and fan assembly with an orange "I" label or without any label: Pulls air from the nonport-side of the switch and
exhausts it out the port side.
–
Nonport-side air intake
–
Port-side air exhaust
–
Back-to-front (nonport-side to port-side) airflow
–
Part numbers ending with -R
FIGURE 80 Intake Power Supply with Orange Label
•
Exhaust power supply and fan assembly with a green "E" label: Pulls air from the port side of the switch and exhausts it out the nonport
side.
–
Nonport-side air exhaust
–
Port-side air intake
–
Front-to-back (port-side to non-port-side) airflow
–
Part numbers ending with -E2
Fan Assemblies
Precautions Specific to Fan Assemblies
RUCKUS ICX 7550 Switch Hardware Installation Guide
104
Part Number: 53-1005648-04
Summary of Contents for RUCKUS ICX 7550
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