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7-1
CHAPTER
7
Power Systems Replacement
This chapter describes the power supply units and how to remove and replace them.
This information is organized into the following topic:
■ “Power Supply Unit Replacement” on page 7-1
7.1 Power Supply Unit Replacement
Power supply units are hot, active, or cold replacement components. Power supply
units are hot, active, or cold replacement components. When using active
replacement, only one power supply unit should be replaced at a time to ensure
redundancy.
The power supply unit backplane is part of the backplane unit. See “Backplane Unit
Replacement” on page 14-1 for remove and replace procedures.