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1
Safety Precautions
To ensure normal running of the device, read the safety precautions carefully before operating
the device, and comply with the precautions when performing the operations.
Basic Requirements
l
Keep the device dry during storage, transportation, and running of the device.
l
Prevent the device from colliding with other objects during storage, transportation, and
running of the device.
l
Install the device in strict compliance with the vendor requirements.
l
Do not uninstall the device without permission. Contact the specified service center when
a fault occurs on the device.
l
No enterprise or personnel should modify the structure, security design, or performance
design of the device without authorization.
l
Abide by local laws and regulations and respect the legal rights of others when using the
device.
Environment Requirements
l
Install the device in a well-ventilated place that is not directly exposed to sunlight.
l
Keep the device clean.
l
Keep the device away from water sources or wet places.
l
Do not place any objects on the device. This is to protect the device from damages, such
as overheat or distortion, which can be caused by such objects.
l
Leave a space of at least 10 cm around the device for heat dissipation.
l
Keep the device away from heat sources or fire sources, such as electrical heaters and
candles.
l
Keep the device away from the electrical appliances with strong magnetic fields or strong
electric fields, such as microwave ovens, refrigerators, and mobile phones.
Instructions for Use
l
Use the accessories delivered with the device, or use those recommended by the vendor,
such as the power adapter and battery.
EchoLife HG8240/HG8245/HG8247 GPON Terminal
Service Manual
1 Safety Precautions
Issue 02 (2011-01-26)
Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd.
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Page 22 / 232
l
The power supply voltage of the device must meet the requirements on the input voltage
of the device.
l
Keep power plugs clean and dry to avoid electric shocks or any other hazards.
l
Dry your hands before removing or inserting cables.
l
Stop the device and switch off the power before removing or inserting cables.
l
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.
l
Switch off the power and remove the power plug if the device needs to be shut down for a
long time.
l
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.
l
Do not stamp, pull, drag, or excessively bend the cables because they may get damaged.
Damaged cables can cause a device failure.
l
Do not use the cables that are damaged or have deteriorated.
l
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.
l
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.
l
Prevent foreign objects such as metal objects from dropping into the device through the
heat dissipation mesh.
l
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.
l
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.
Instructions for Cleaning
l
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.
l
Do not use cleaning fluid or spray-on detergent to clean the outer case of the device. Use
a soft cloth instead.
Instructions for Environment Protection
l
Put the retired device and batteries at the specified recycle place.
l
Abide by local laws and regulations to handle packaging materials, run-out batteries and
retired devices.
1 Safety Precautions
EchoLife HG8240/HG8245/HG8247 GPON Terminal
Service Manual
1-2
Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd.
Issue 02 (2011-01-26)
Page 23 / 232
2
System Overview
About This Chapter
This topic provides the appearance and describes the typical network applications of the
HG8240/HG8245/HG8247.
2.1 Product Introduction
This topic provides the appearance and describes the ports and LEDs of the HG8240/HG8245/
HG8247.
2.2 Typical Network Applications
This topic describes the typical network applications of the HG8240/HG8245/HG8247.
EchoLife HG8240/HG8245/HG8247 GPON Terminal
Service Manual
2 System Overview
Issue 02 (2011-01-26)
Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd.
2-1
Page 24 / 232
2.1 Product Introduction
This topic provides the appearance and describes the ports and LEDs of the HG8240/HG8245/
HG8247.
The HG8240/HG8245/HG8247 is an indoor optical network terminal (ONT) designed for home
users and small office and home office (SOHO) users. Its upper shell adopts the natural heat
dissipation material, and its optical port adopts the dust-proof design with a rubber plug. The
HG8240/HG8245/HG8247 is eye-pleasing and energy-efficient. It can be deployed on a
workbench or mounted on a wall, meeting users' deployment requirements in different scenarios.
By using the gigabit-capable passive optical network (GPON) technology, the HG8240/
HG8245/HG8247 provides a high-speed data channel through a single optical fiber with an
upstream rate of 1.244 Gbit/s and a downstream rate of 2.488 Gbit/s. In this way, you can enjoy
quality high-speed data service, voice service, and video service. In addition, the HG8245 and
HG8247 provide reliable wireless access service, and convenient storage and file sharing
services within a home network.
As an ONT, the HG8240/HG8245/HG8247 provides convenient and efficient remote
management functions. The HG8240/HG8245/HG8247 supports the TR-069 and ONT
Management and Control Interface (OMCI) protocols and manages all home terminals in a
unified manner, thus implementing remote fault diagnosis, service provisioning, and
performance statistics measurement.
2.1.1 Appearance
This topic provides the appearance of the HG8240/HG8245/HG8247.
2.1.2 Ports
This topic provides the appearance of the ports on the HG8240/HG8245/HG8247 and describes
the functions of the ports.
2.1.3 LEDs
This topic provides the appearance of the LEDs on the HG8240/HG8245/HG8247 and describes
the indications of these LEDs.
2.1.1 Appearance
This topic provides the appearance of the HG8240/HG8245/HG8247.
Figure 2-1
,
Figure 2-2
and
Figure 2-3
show the appearance of the HG8240/HG8245/
HG8247.
2 System Overview
EchoLife HG8240/HG8245/HG8247 GPON Terminal
Service Manual
2-2
Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd.
Issue 02 (2011-01-26)
Page 25 / 232
Figure 2-1
Appearance of the HG8240
Figure 2-2
Appearance of the HG8245
EchoLife HG8240/HG8245/HG8247 GPON Terminal
Service Manual
2 System Overview
Issue 02 (2011-01-26)
Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd.
2-3

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