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Installing Field Replaceable Units
Removing Power Supplies
Procedure
Step 1
Turn off the power to the power supply that you are removing, as follows:
If you are removing a DC-input power supply, ensure that the power is turned off at the power source by
turning off the power for that circuit.
Step 2
Detach the power and ground cables, as follows:
• For the AC-input power supply, unplug the power cables that are attached to the power supply and the
• For the DC-input power supply, remove the power cables from the power supply and the power source.
Step 3
Remove the power supply from the chassis, as follows:
a) Press the ejector latch on the right of the power supply.
b) Pull the power supply partially out of the slot by its handle.
c) Pull the power supply fully from the slot.
Caution
Finding the Serial Number
If you contact Cisco Technical Assistance, you need to know the serial number. These figures show where
the serial number is located. You can also use the show inventory EXEC command to see the serial number.
Figure 54: Serial Number on the Power Supply
power source.
If you intend to operate the switch without installing another power supply in the empty slot, then
you must reinstall the blank cover over the empty power supply slot to ensure proper air flow in
the system and for safety reasons.
Cisco Catalyst 9500 Series Switches Hardware Installation Guide
Removing Power Supplies
79
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