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:
■ Section 7.1, “Power Supply Unit Replacement” on page 7-1
7.1 Power Supply Unit Replacement
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 Section 14.1,
“Backplane Unit Replacement” on page 14-1 for remove and replace procedures.
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