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Quanta Computer D52B-1U - Page 42

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When replacing a hot-plug power supply, unplug the power cord to the power supply being
replaced before removing it from the server.
To avoid risk of electric shock, turn off the server and disconnect the power cord,
telecommunications systems, networks, and modems attached to the server before opening it.
Power Cord Warnings
If an AC power cord was not provided with your product, purchase one that is approved for
use in your country.
Only use certified AC power cord to connect to both the power distribution unit (PDU) and
server system installed in your rack.
Caution: To avoid electrical shock or fire, check the power cord(s) that will be used with the product
as follows:
Do not attempt to modify or use the AC power cord(s) if they are not the exact type required to
fit into the grounded electrical outlets.
The power cord(s) must meet the following criteria:
The power cord must have an electrical rating that is greater than that of the electrical current
rating marked on the product.
The power cord must have safety ground pin or contact that is suitable for the electrical outlet.
The power supply cord(s) is / are the main disconnect device to AC power. The socket outlet(s) must
be near the equipment and readily accessible for disconnection.
The power supply cord(s) must be plugged into socket-outlet(s) that is /are provided with a suitable
earth ground.
System Access Warnings
Caution: To avoid personal injury or property damage, the following safety instructions apply
whenever accessing the inside of the product:
Turn off all peripheral devices connected to this product.
Turn off the system by pressing the power button to off.
Disconnect the AC power by unplugging all AC power cords from the system or wall outlet.
Disconnect all cables and telecommunication lines that are connected to the system.
Retain all screws or other fasteners when removing access cover(s). Upon completion of
accessing inside the product, refasten access cover with original screws or fasteners.
Do not access the inside of the power supply. There are no serviceable parts in the power
supply. Return to manufacturer for servicing.
Power down the server and disconnect all power cords before adding or replacing any non
hot-plug component.
When replacing a hot-plug power supply, unplug the power cord to the power supply being
replaced before removing the power supply from the server.
Caution: If the server has been running, any installed processor(s) and heat sink(s) may be hot.
Unless you are adding or removing a hot-plug component, allow the system to cool before
opening the covers. To avoid the possibility of coming into contact with hot component(s) during a
hot-plug installation, be careful when removing or installing the hot-plug component(s).
Caution: To avoid injury do not contact moving fan blades. If your system is supplied with a guard
over the fan, do not operate the system without the fan guard in place.

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