Huawei EchoLife HG8110 Service Manual page 10

EchoLife HG8010/HG8110/HG8240/HG8245/HG8247/
HG8447 GPON Terminal
Service Manual
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Instructions for Cleaning
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Instructions for Environment Protection
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Issue 02 (2011-12-08)
The power supply voltage of the device must meet the requirements on the input voltage
of the device.
Keep power plugs clean and dry to avoid electric shocks or any other hazards.
Dry your hands before removing or inserting cables.
Stop the device and switch off the power before removing or inserting cables.
Switch off the power and remove all the cables, including the power cable, optical fibers,
and network cables, from the device during periods of lightning activity.
Switch off the power and remove the power plug if the device needs to be shut down for a
long time.
Protect the device from ingress of water or other liquids. If such an accident occurs, switch
off the power immediately and remove all the cables, including the power cable, optical
fibers, and network cables, from the device. Contact the specified service center in the case
of a device failure.
Do not stamp, pull, drag, or excessively bend the cables because they may get damaged.
Damaged cables can cause a device failure.
Do not use the cables that are damaged or have deteriorated.
Do not look directly into the optical port on the device without eye protection. The laser
emitted from the optical port can injure your eyes.
In case of any abnormalities, such as smoke, abnormal sound, or odor from the device,
immediately stop the device, switch off the power, and remove all cables, including the
power cable, optical fibers, and network cables, from the device. Contact the specified
service center in the case of a device failure.
Prevent foreign objects such as metal objects from dropping into the device through the
heat dissipation mesh.
Protect the outer case of the device from scratches, because the paint that peels off in the
scratched areas can cause device abnormalities. If the paint falls into the device it may cause
short circuits. In addition, peeled-off paint can cause an allergic reaction to the human body.
Ensure that the device is kept out of the reach of children. Guard against risks such as
children playing with the device or swallowing small parts of the device.
Before cleaning the device, stop the device from running, switch off the power, and remove
all cables, including the power cable, optical fibers, and network cables, from the device.
When inserting and removing optical fibers, keep the optical fiber connectors clean.
Do not use cleaning fluid or spray-on detergent to clean the outer case of the device. Use
a soft cloth instead.
Put the retired device and batteries at the specified recycle place.
Abide by local laws and regulations to handle packaging materials, run-out batteries and
retired devices.
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Copyright © Huawei Technologies Co., Ltd.
1 Safety Precautions
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