Huawei SmartAX MA5675 Quick Start Manual page 2

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Security Warning and Precautions
To use the device properly and safely, read the safety precautions carefully before using
the device and strictly observe these precautions when using the device.

Do not look directly into the optical port without eye protection.

Keep the device out of the reach of children as the components or accessories may be
swallowed.

Install the device in strict compliance with the requirements of the supplier. Reserve
a space of at least 10 cm above and around the device for heat dissipation. During the
installation, keep the device away from electric appliances that generate strong
magnetic or electric fields, such as microwave ovens, refrigerators, and mobile
phones.

The power supply voltage of the device must meet the requirements on the input
voltage of the device.

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.

Switch off the power and disconnect all cables, including the power cable, optical
fiber, and network cable, during periods of lightning activities.

Do not lead the strength member of the optical fiber or other metal parts indoors. Do
not install telephone lines, 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.

Do not disassemble the device without permission. In the case of a device fault,
contact the authorized service center.

Dispose of the packing materials, expired batteries, and old or abandoned devices in
accordance to local laws and regulations (recycling them is strongly recommended).

Do not change the structure, safety design, or performance design of the device
without prior authorization.
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