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Do not use any power adapters that are not in the
standard configuration. Otherwise, the device may be
abnormal or unsafe.
Dry your hands before connecting or disconnecting
cables. Stop the device and switch off the power before
connecting or disconnecting cables.
Do not place any object on the device, so that the device
will not be damaged due to overheating or deformation.
Prevent objects, such as metal, from entering the device
through the heat dissipation hole.
Do not lead the strength member of the optical fiber or
other metal parts indoors. Adopting these measures will
help prevent device damage and bodily injuries which
are especially prone during thunderstorms.
Switch off the power and disconnect all cables, including
the power cable, optical fiber, and network cable, during
periods of lightning activities.
Do not install network cables, power adapters or power
adapter cables outdoors. Adopting these measures will
help prevent device damage and bodily injuries which
are especially prone during thunderstorms.
If an abnormality occurs, for example, liquid entering the
device, smoke, unusual sound, and smell, stop the device
immediately, switch off the power, disconnect all cables
(such as the power cable, optical cable, and network
cable) to the device, and contact the authorized service
center.
