Replacing A Dc Power Supply - Cisco Nexus 9336C-FX2 Hardware Installation Manual

Replacing a DC Power Supply

e) If using an HVDC power source, turn on the circuit breaker for the power source.
f) Verify that the power supply is operational by making sure that the power supply
on what the power supply LEDs indicate, see
Replacing a DC Power Supply
You can replace an DC power supply during operations so long as the other power supply provides power to
the switch.
Before you begin
• The replacement power supply must have the same wattage and airflow direction as the power supply
• An DC power source must be within reach of the power cables that will be used with the replacement
• There must be an earth ground connection to the chassis in which you are installing the replacement
Step 1
Remove a DC power supply as follows:
a) Turn off the circuit breaker for the power feed to the power supply that you are replacing.
Be sure that the LEDs turn off on the power supply that you are removing.
b) Remove the DC power connector block from the power supply by doing the following:
1. Push the orange plastic button on the top of the connector block inward toward the power supply.
2. Pull the connector block out of the power supply.
c) Grasp the power supply handle while pressing the release latch towards the power supply handle.
d) Place your other hand under the power supply to support it while you slide it out of the chassis.
Do not touch the electrical connections on the back side of the module and prevent anything else from
Caution
coming into contact with and damaging the connectors.
Step 2 Install the replacement power supply as follows:
Cisco Nexus 9336C-FX2 NX-OS Mode Switch Hardware Installation Guide
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being replaced.
Note
You can determine the airflow direction by looking at the coloring of the latch
on each power supply. AC power supplies with burgundy latches have port-side
intake airflow direction, and power supplies with blue latches have port-side
exhaust airflow direction.
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.
power supply. DC power supplies connected to DC power sources have three power cables (two for DC
power and one for grounding).
Power Supply LEDs, on page
Replacing Components
LED is green. For information
48.