Huawei SmartAX MT880 User manual

SmartAX MT880 ADSL Router
User Manual
HUAWEI TECHNOLOGIES CO., LTD.

SmartAX MT880 ADSL Router User Manual
Issue 01
Date 2007-09-06
No. 103075
Huawei Technologies Co., Ltd.
Address: Huawei Industrial Base
Bantian, Longgang
Shenzhen 518129
People's Republic of China
Website: http://www.huawei.com
Email: [email protected]
Copyright © Huawei Technologies Co., Ltd. 2007. All rights reserved.
No part of this document may be reproduced or transmitted in any form or by
any means without prior written consent of Huawei Technologies Co., Ltd.
Trademarks and Permissions
and other Huawei trademarks are trademarks of Huawei Technologies
Co., Ltd.
All other trademarks and trade names mentioned in this document are the
property of their respective holders.
Notice
The information in this document is subject to change without notice. Every
effort has been made in the preparation of this document to ensure accuracy
of the contents, but all statements, information, and recommendations in this
document do not constitute the warranty of any kind, express or implied.

Federal Communications Commission (FCC) Statement
This device complies with part 15 of the FCC Rules. Operation is subject to the
following two conditions: (1) This device may not cause harmful interference,
and (2) this device must accept any interference received, including
interference that may cause undesired operation.
Safety Precautions
General Requirements:
zBefore you install and use the device, read these safety precautions
carefully and observe them during operation.
zDuring storage, transportation and operation of the device, keep the
device dry.
zDuring storage, transportation and operation of the device, avoid
collision and crash of the device.
zNever attempt to dismantle the device by yourself. In case of any
fault, contact the appointed maintenance center for repair.
zWithout prior written consent, no organization or individual is
permitted to make any change to the structure or safety design of
the device. Huawei Technologies Co., Ltd. is not liable to any
consequences or legal issues due to such changes.
zWhile using the device, observe all applicable laws, directives and
regulations, and respect the legal rights of other people.
Environmental Requirements:
zPlace the device at a well-ventilated place. Do not dispose the
device to direct sunlight.
zKeep the device clean and free of dusts.
zPlace the device on a stable platform.
zDo not place any object on top of the device. Otherwise, the device
may be too hot during operation. It can even be deformed or
damaged by the heavy load.
zKeep at least 10 cm between the device and the closest object for
heat dissipation.
zDo not place the device on or near any object that can easily catch
fire, such as something made of rubber.

zKeep the device far away from any heat source or bare fire, such as
a candle or an electric heater.
zKeep the device far away from any household appliance with strong
magnetic field or electromagnetic field, such as a microwave oven
or a refrigerator.
Operating Requirements:
zDo no let a child operate the device without guidance.
zDo not let a child play with the device or any accessory. Swallowing
the accessories may lead to peril.
zUse the accessories provided or authorized by the manufacturer
only.
zThe power supply of the device shall meet the requirements of the
input voltage of the device.
zBefore plugging or unplugging any cable, shut down the device and
disconnect it from the power supply.
zWhile plugging or unplugging any cable, make sure that your hands
are completely dry.
zDo not tread on, pull or over-bend any cable. Otherwise, the cable
may be damaged, leading to malfunction of the device.
zDo not use an old or a damaged power cable.
zDuring lightning weather, stop using the device and disconnect it
from the power supply. Unplug the power plug and the ADSL twisted
pair, to avoid lightning strike.
zIf the device is not used for a long time, disconnect it from the power
supply and unplug the power plug.
zIn any of the following cases, stop using the device, disconnect it
from the power supply and unplug the power plug immediately:
there is smoke emitted from the device, or there is some abnormal
noise or smell. Contact the specified maintenance center for repair.
zAvoid any object (such as metal shavings) from entering the device
from the heat dissipation intakes.
zDo not scratch or abrade the shell of the device. This may lead to
malfunctions of the device. The shed painting material may also
lead to skin allergy.

Cleaning Requirements:
zBefore cleaning the device, stop using it and disconnect it from the
power supply.
zUse a piece of soft cloth to clean the device.
zKeep the power plug clean and dry. Using a dirty or wet power plug
may lead to electric shock or other perils.
This device complies with part 15 of the FCC Rules.Operation is subject to the
following two conditions:
(1) This device may not cause harmful interference, and
(2) this device must accept any interference received, including interference that
may cause undesired operation.

文档名称 文档密级
2007-9-24 华为机密，未经许可不得扩散 第1页, 共1页
Note: This equipment has been tested and found to comply with the limits for a Class B
digital device, pursuant to part 15 of the
FCC Rules. These limits are designed to provide reasonable protection against harmful
interference in a residential installation.
This equipment generates, uses and can radiate radio frequency energy and, if not
installed and used in accordance with the
instructions, may cause harmful interference to radio communications. However, there is
no guarantee that interference will not
occur in a particular installation. If this equipment does cause harmful interference to radio
or television reception, which can be
determined by turning the equipment off and on, the user is encouraged to try to correct
the interference by one or more of the
following measures:
—Reorient or relocate the receiving antenna.
—Increase the separation between the equipment and receiver.
—Connect the equipment into an outlet on a circuit different from that to which the
receiver is connected.
—Consult the dealer or an experienced radio/TV technician for help.

i
Table of Contents
Chapter 1 Introduction .....................................................................1
1.1 Functions and Features.........................................................1
1.2 Appearance ...........................................................................1
1.2.1 Front Panel .................................................................2
1.2.2 Rear Panel..................................................................4
Chapter 2 Installation of the MT880 ................................................6
2.1 Preparation............................................................................6
2.2 Connecting the MT880..........................................................6
2.3 Setting Up the Configuration Environment............................8
2.3.1 Planning the Parameters ............................................8
2.3.2 Operation ....................................................................9
2.4 Web Setup Page .................................................................10
Chapter 3 Service Configuration...................................................12
3.1 Configuration Method..........................................................12
3.1.1 Protocol Model..........................................................12
3.1.2 Steps.........................................................................13
3.2 Service Modes of the MT880 ..............................................14
3.3 Configuring the Pure Bridge Mode......................................16
3.3.1 Preparation ...............................................................16
3.3.2 Steps.........................................................................17
3.4 Configuring the PPPoE Mode .............................................18
3.4.1 Preparation ...............................................................19
3.4.2 Steps.........................................................................20

ii
3.5 Configuring the PPPoA Mode .............................................22
3.6 Configuring the RFC2684B Mode .......................................22
3.6.1 Preparation ...............................................................23
3.6.2 Steps.........................................................................23
3.7 Configuring the RFC2684(IPoA) Mode ...............................26
Chapter 4 Other Configurations ....................................................27
4.1 Changing the LAN IP Address ............................................27
4.2 Changing the Administrator Password................................28
4.3 Restoring the Default Settings ............................................28
4.4 Firmware Upgrade...............................................................29
Chapter 5 Troubleshooting............................................................30
5.1 Fixing Common Problems...................................................30
5.2 FAQs ...................................................................................31
Chapter 6 Technical Specifications ..............................................33
Chapter 7 Appendix ........................................................................35
7.1 Default Settings ...................................................................35
7.1.1 Common Default Parameters ...................................35
7.1.2 Default PVC Parameters ..........................................35
7.2 Acronyms and Abbreviations ..............................................37

1
Chapter 1 Introduction
This chapter describes the functions and the appearance of the
SmartAX MT880 ADSL Router (hereinafter referred to as the MT880).
1.1 Functions and Features
The MT880 is a type of Asymmetric Digital Subscriber Line (ADSL)
terminal. Using the MT880 and a telephone line, you can enjoy data,
video and audio services at a high speed.
The features of the MT880 are:
zHigh transmission rate: The maximum downlink transmission
rate is 24 Mbit/s. The maximum uplink transmission rate is 1.2
Mbit/s.
zStrong network adaptability: The MT880 can interconnect
with multiple Digital Subscriber Line Access Multiplexers
(DSLAMs).
zStrong maintainability: The MT880 provides a number of
indicators, helping you to locate failures.
zEasy operation: The MT880 provides user-friendly interfaces
for configuration and management.
1.2 Appearance
This section describes the appearance of the MT880.

2
1.2.1 Front Panel
Figure 1-1 shows the front panel of the MT880.
Figure 1-1 Front panel of the MT880
Note:
The figure of the front panel is only for your reference.
Table 1-1 describes the indicators on the front panel.
Table 1-1 Indicators on the front panel
Indicator Status Description
Steady
green light The MT880 is powered on.
Power
Off The MT880 is powered off.