Oracle Database Appliance Service Manual page 43

Replace a Storage Shelf Power Supply
Example showing the DE2-24C:
Replace a Storage Shelf Power Supply
The storage shelf and the storage expansion shelf each have two power supplies. Indicators
(LEDs) on the power supplies indicate their operation state.
The power supplies are redundant and one can be replaced while the appliance is running.
Chapter 3 • Servicing CRUs That Do Not Require System Power Off 43