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Replacing Components
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.
Note
Depending on the outlet receptacle on your power distribution unit, you might need the optional jumper cable
to connect the switch to your outlet receptacle.
Step 5
Verify that the power supply is operational by making sure that the power supply LED is green. For information on what
the power supply LEDs indicate, see
Installing an HVAC/HVDC Power Supply
You can replace one power supply while the other one provides power to the switch.
Note
If the power supply that you are replacing has a different color handle than the replacement power supply,
verify that it has or will have the same airflow direction as the other modules in the switch.
Before you begin
• If you are using DC power for the replacement power supply, the circuit breaker for the power feed to
• If you are using n+n power redundancy, there must be a separate power source for each power supply
• 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 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 into the open slot.
Note
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
If the DC power cables and a grounding cable are already connected to an electrical connector block, insert the block
into the power receptacle on the power supply.
Power Supply LEDs, on page
the power supply that you are replacing must be turned off.
installed in the chassis (power sources must be of the same type—do not mix AC and DC power sources
for the same switch). Otherwise, only one power source is required.
Typically, the chassis is grounded by its metal-to-metal connection to a grounded rack. If you need to
ground this chassis by another means, see
52.
Grounding the Chassis, on page
Cisco Nexus 93600CD-GX ACI-Mode Switch Hardware Installation Guide
Installing an HVAC/HVDC Power Supply
20.
37
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