Figure 48: Removing a Power Supply from an EX4650
Installing an AC Power Supply in an EX4650 Switch
The AC power supply in EX4660 switches is a hot-removable and hot-insertable field-replaceable unit
(FRU) installed in the rear panel of the switch: You can remove and replace a power supply without powering
off the switch or disrupting switch functions.
CAUTION: Do not mix:
•
AC and DC power supplies in the same chassis.
•
Power supplies with different airflow labels (AIR IN (AFI) and AIR OUT (AFO)) in the
same chassis.
•
Fan modules 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.
Before you install an AC power supply in the switch:
•
Ensure that you understand how to prevent electrostatic discharge (ESD) damage. See “Prevention of
Electrostatic Discharge Damage” on page 177.
Ensure that you have the following parts and tools available to install the power supply:
NOTE: Each power supply is a hot-removable and hot-insertable field-replaceable unit (FRU) when
the second power supply is installed and running
•
ESD grounding strap
•
Phillips (+) screwdriver, number 2(not provided)
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