Replacing A Power Supply Module; Removing An Ac Power Supply - Cisco UCS 6500 Series Installation Manual

Replacing a Power Supply Module

Step 3 Verify that the Status LED turns on and becomes green.
Replacing a Power Supply Module
The fabric interconnect requires two power supplies for redundancy. With one power supply providing the
necessary power for operations, you can replace the other power supply during operations so long as the new
power supply has the same airflow direction as the other modules in the chassis.
You can replace a power supply with another supported power supply that has the same power source type
and the same wattage rating as the other installed power supply. Additionally, the airflow direction of the
power supply must match or conform to the airflow direction of the installed fan modules. For the airflow
direction used by the fabric interconnect, see the coloring of the fan modules.

Removing an AC Power Supply

To remove an AC power supply, you must first disconnect the power cable and then remove the module from
the chassis.
Before you begin
• To replace a power supply during operations, you must have a functioning power supply providing power
Cisco UCS 6500 Series Fabric Interconnect Hardware Installation Guide
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to the fabric interconnect while you replace the other power supply. If there is only one power supply
installed in the fabric interconnect and you need to replace it, install the new power supply in the open
slot and power it up before removing the original power supply.
Replacing Components