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Replacing Components
Step 3
Grasp the power supply handle while pressing the release latch towards the power supply handle.
Step 4
Pull the power supply out of the bay.
What to Do Next
You are ready to install a DC power supply in the open slot.
Installing an AC Power Supply
You can replace one power supply while the other one provides power to the switch.
Before You Begin
• The power supply that you are installing must be capable of using the same airflow direction as the fan
• An AC power source must be within reach of the power cable that will be used with the replacement
• There must be an earth ground connection to the chassis that you are installing the replacement module.
Step 1
Holding the replacement power supply with one hand underneath the module and the other hand holding the handle, turn
the power supply so that its release latch is on the right side and align the back end of the power supply (the end with
the electrical connections) to the open power supply slot before carefully sliding the power supply all the way into the
slot until it clicks into place.
If the power supply does not fit into the open slot, turn the module over before sliding it carefully into the open
Note
slot.
Step 2
Test the installation by trying to pull the power supply out of the slot without using the release latch.
If the power supply does not move out of place, it is secured in the slot. If the power supply moves, carefully press it all
the way into the slot until it clicks in place.
Step 3
Attach the power cable to the electrical outlet on the front of the power supply.
Step 4
Make sure that the other end of the power cable is attached to the appropriate power source for the power supply.
Depending on the outlet receptacle on your power distribution unit, you might need the optional jumper cable
Note
to connect the switch to your outlet receptacle.
Step 5
Verify that the power supply is operational by making sure that the power supply
what the power supply LEDs indicate, see
trays installed in the same switch and it must use the same type of power source as the other power
supply installed in the same switch (do not mix AC and DC power supplies in the same switch).
power supply. If you are using n+n power redundancy, there must be a separate power source for each
power supply installed in the chassis. Otherwise, only one power source is required.
Typically, the chassis is grounded by its metal-to-metal connection with a grounded rack. If you need
to ground the chassis, see
Grounding the Chassis, on page
Power Supply LEDs, on page
Cisco Nexus 9372TX and 9372TX-E NX-OS Mode Switches Hardware Installation Guide
Installing an AC Power Supply
19.
LED is green. For information on
46.
31
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