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Installing System Components 87
Power Supplies
Your system supports the following power supply modules:
• 717-W High Output power supply
• 502-W Energy Smart power supply (the default power supply option for
this system)
NOTE: The system does not support a mixed installation of High Output and Energy
Smart power supplies.
If only one power supply is installed, it must be installed in the PS1 power
supply bay.
Removing a Power Supply
CAUTION: To ensure proper system cooling, the power supply blank must be
installed in power supply bay PS2 in a non-redundant configuration. See
"Removing the Power Supply Blank."
CAUTION: If troubleshooting a PSU mismatch error, replace only the power
supply with the flashing indicator. Swapping the opposite power supply to create
a matched pair can result in an error condition and unexpected system shutdown.
To change from a High Output configuration to an Energy Smart configuration or
vice versa, you must power down the system.
1
Disconnect the power cable from the power source and the power supply
you intend to remove and remove the cables from the Velcro strap.
2
Press the lever release latch and slide the power supply out of the chassis.
See Figure 3-7.
NOTE: You may have to unlatch and lift the optional cable management arm if
it interferes with power-supply removal. For information about the cable
management arm, see the system’s rack documentation.