NEVER CONNECT AND DISCONNECT THE POWER SUPPLY CABLE AND EQUIPMENT WHILE YOUR
EQUIPMENT IS POWERED ON WITH DC SUPPLY (hot-plugging). Otherwise you may damage the
equipment and result in data loss, the damages and losses result from incorrect operation of the
equipment will not be covered by the manufacturers’ warranty.
Attention: This type of power supply is hot-swap only when two power supplies are installed for
redundancy. If only one power supply is installed, you must power off the server first before removing the
power supply.
The following tips describe the information that you must consider when you install a power supply with
dc input.
NEVER CONNECT AND DISCONNECT THE POWER SUPPLY CABLE AND EQUIPMENT WHILE YOUR
EQUIPMENT IS POWERED ON WITH DC SUPPLY (hot-plugging). Otherwise you may damage the
equipment and result in data loss, the damages and losses result from incorrect operation of the
equipment will not be covered by the manufacturers’ warranty.
• S002
CAUTION:
The power-control button on the device and the power switch on the power supply do not turn off
the electrical current supplied to the device. The device also might have more than one power cord.
To remove all electrical current from the device, ensure that all power cords are disconnected from
the power source.
• S035
CAUTION:
Never remove the cover on a power supply or any part that has this label attached. Hazardous
voltage, current, and energy levels are present inside any component that has this label attached.
There are no serviceable parts inside these components. If you suspect a problem with one of
these parts, contact a service technician.
The following tips describe the type of power supply that the server supports and other information that you
must consider when you install a power supply:
• The standard shipping has only one power supply installed in the server. For redundancy and hot-swap
support, you must install an additional hot-swap power supply. Certain customized models might be
shipped with two power supplies installed.
• Ensure that the two power supplies installed on the server have the same wattage.
• If you are replacing the existing power supply with a new power supply of different wattage, attach the
power information label that comes with this option onto the existing label near the power supply.
Chapter 3. Server hardware setup 71
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