Safety Precautions; Environment Requirements - Zte ZXHN H3140 User Manual

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Safety Precautions

Note
Before using the device, read the following safety precautions. ZTE bears no liabil-
ity to the consequences incurred by violation of the safety instructions.
Usage Cautions
Read all the safety cautions carefully before using the device.

Only use the accessories included in the package, such as power supply

adapter.
Do not extend the power cord, otherwise the device will not work.

The power supply voltage must meet the requirements of the device input

voltage (The voltage fluctuation range is less than 10%).
Keep the power plug clean and dry to prevent any risk of electric shock or oth-

er dangers.
Disconnect all the cables during a lightning storm to prevent the device from

damage.
Power off and unplug the power plug when the device is not in use for a long

time.
Do not attempt to open the covers of the device. It is dangerous to do so

when the device is powered ON.
Power off and stop using the device under the conditions such as, abnormal

sound, smoke, and strange smell. Contact the service provider for mainte-
nance if the device is faulty.

Environment Requirements

Ensure proper ventilation to the device. Place the device away from direct

sunlight.
Keep the device ventilated and dry. Never spill any liquid on the device.

Do not place any object on the device to prevent any deformation or damage

to the device.
Do not place the device near any source of heat or water.

Keep the device away from any household appliances with strong magnetic

or electric fields, such as microwave oven and refrigerator.
Cleaning Requirements
Before cleaning, power off the device, and unplug all the cables connected to

the device, such as power cable, optical fiber, and Ethernet cable.
Do not use any liquid or spray to clean the device. Use a soft dry cloth.
