5. Install the replacement fan.
6. Tighten the captive screws on the faceplate of the fan module by using your fingers. If you are unable
to tighten the captive screws by using your fingers, use the screwdriver.
Figure 59: Removing a Fan Module from a QFX5120 Switch
NOTE: Both the fan modules must be installed and operational for optimal functioning of the
switch.
Installing a Fan Module in a QFX5120 Switch
QFX5120-48Y comes with 4+1 redundant fans and QFX5120-32C comes with 5+1 redundant fans. Each
fan module is a hot-removable and hot-insertable field-replaceable unit (FRU) installed in the rear panel
of the switch. You can remove and replace it without powering off the switch or disrupting switch functions.
CAUTION: Do not mix:
•
Fan modules with different airflow labels (AIR IN (AFI) and AIR OUT (AFO)) in the same
chassis.
•
Power supplies with different airflow labels (AIR IN (AFI) and AIR OUT (AFO)) in the
same chassis.
•
Power supplies and fan modules with different airflow labels (AIR IN (AFI) and AIR
OUT (AFO)) in the same chassis.
•
AC and DC power supplies in the same chassis.
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