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Chapter 4 Maintaining the Sun Fire X4200 Server 4-65
4.4.15 Replacing a Power Supply
Follow these steps to remove and replace a power supply.
Note – This component is a hot-swappable CRU and can be replaced by anyone.
TABLE 4-16 lists the qualified part numbers for this component. These part numbers
are subject to change over time. For the most up-to-date list of replaceable
components, product updates, and downloads, see the following URL:
http://www.sun.com/servers/entry/x4100/downloads.jsp
The internal system software designation of the two power supplies in the server is
shown in
FIGURE 4-61.
FIGURE 4-61 Sun Fire X4200 Designation of Power Supplies
1. Identify which power supply you will replace. Each power supply has three LEDs
that you can view from the rear of the server:
■ Top LED is on (green): Power supply is operating properly.
■ Middle LED is on (amber): Power supply is faulty and should be replaced.
■ Bottom LED is on (green): AC power source to power supply is operating
properly.
2. Disconnect the AC power cord from the power supply that you are replacing.
The power supplies are hot-swappable, so you do not have to shut down the server
or disconnect the second power supply.
TABLE 4-16 Sun Fire X4200 Supported Power Supply Part Numbers
Component Part Number
Power supply (550W)
(RoHS-compliant, replaces 300-1757)
300-1945
PS0 PS1