Sun Oracle Fire X4440, Service Manual

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Chapter 3 Servicing Customer-Replaceable Devices 3-15
3.6 Servicing Power Supplies
Some versions of the Sun Fire X4440 Servers are equipped with redundant
hot-swappable power supplies. Redundant power supplies enable you to remove
and replace a power supply without shutting the server down, provided that the
other power supply is online and working.
FIGURE 3-10
Power Supplies
Caution – If a power supply fails and you do not have a replacement available,
leave the failed power supply installed to ensure proper air flow in the server.
The following topics are covered:
■
Section 3.6.1, “Detecting Power Supply Failure” on page 3-17
■
Section 3.6.2, “Power Supply LED Reference” on page 3-17
■
Includes specific information about power supply status LEDs.
■
Section 3.6.3, “Removing a Power Supply” on page 3-18
■
Section 3.6.4, “Installing a Power Supply” on page 3-20
Note – CRU : This customer-replaceable unit can be replaced by anyone.