Environmental Protection; Power Adapter - Huawei ETS2252+ User Manual

Do not connect two poles of the battery with metallic materials such as cables.
Do not disassemble the battery or solder the battery poles. Otherwise, fluid leakage, overheat,
fire, or explosion may result.
If there is battery leakage, smoke, or strange smell, stop using the battery and keep it away
from open flame to avoid fire or explosion.
Disconnect the power adapter and take out the battery when the FWT is not used for a long
time.
Do select its self-contained complete battery and power adapter; otherwise, the FWT may be
spoiled. Huawei Technologies Co., Ltd is not responsible for any consequences caused by
using non-standard batteries or power supplies. Dispose of used batteries according to the
instructions.
Dispose of the battery according to local laws or regulations.

Power Adapter

Use AC power as specified for the power adapter. Any violation of this rule may result in fire
or malfunction of the power adapter.
Do not short-circuit the power adapter. Short-circuiting the power adapter may cause fire or
malfunction of the power adapter.
Remove the dust on the power plug regularly.
Do not use worn-out power cords. Otherwise, electric shock, short-circuiting of the power
adapter, or fire may result.
Do not put the power adapter near the container filled with liquid such as water. If the liquid
comes into the power adapter, electrical leakage or other faults may result.
If the liquid such as water comes into the power adapter accidentally, remove the plug of the
power adapter from the socket immediately.
Disconnect the power adapter from the socket before cleaning or maintaining it. Otherwise,
electric shock or short-circuiting of the battery or power adapter may result.
Ensure the plug of the power adapter is properly inserted into the power socket when charging
the battery. Improper insertion may result in electric shock, fire, or explosion.
Do not place any heavy object on the power cord of the power adapter. Do not damage,
change, or pluck the power cord.
Using the USB Cable
To use the USB cable, you need operate abiding strictly by the following rules. Otherwise, your
FWT or PC may be damaged:
To connect your FWT and PC with the USB cable, connect to the FWT at first, and then
connect to the PC.
In the process of communication between your FWT and PC, it is strictly forbidden to plug or
pull out the USB cable.
To disconnect your FWT and PC from the USB cable, disconnect from the PC at first, and
then disconnect from the FWT.

Environmental Protection

Abide by the local laws in proposing of the package materials of your FWT, consumed batteries
and used FWT, and try to recycle them.
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