Tenda D820R User Guide

D820R ADSL2+ Router User Guide

is the registered trademark of Shenzhen Tenda

Technology Co., Ltd. All the products and product names

mentioned herein are the trademarks or registered

trademarks of their respective holders. Copyright of the whole

product as integration, including its accessories and software,

belongs to Shenzhen Tenda Technology Co., Ltd. Without the

permission of Shenzhen Tenda Technology Co., Ltd, any

individual or party is not allowed to copy, plagiarize, imitate or

translate it into other languages.

All the photos and product specifications mentioned in this

guide are for references only. As the upgrade of software and

hardware, there will be changes. And if there are changes,

Tenda is not responsible for informing in advance. If you want

to know more about our product information, please visit our

website at www.tenda.cn.

D820R ADSL2+ Router User Guide

Package Contents

Unpack the packet and the following contents should be founded.

 One D820R External ADSL2+ Router

 One AC Power Adapter (AC9V/1A)

 One Voice Splitter

 One RJ-45 Ethernet Network Cable

 Two RJ-11 Telephone Line

 One Quick Installation Guide

 One CD-ROM

If any of the listed items are missing or damaged, please contact the Tenda

reseller from whom you purchased for replacement immediately.

D820R ADSL2+ Router User Guide

Chapter 1 Overview .....................................................................1

1.1 Product Introduction...........................................................1

1.2 Product Features................................................................1

1.3 Supporting Protocol............................................................2

1.4 Data Encapsulation............................................................2

Chapter 2 Hardware Description .................................................3

2.1 External Components.........................................................3

2.1.1 The Front Panel...........................................................3

2.1.2 Back Panel ..................................................................4

2.2 Minimum Requirements .....................................................5

2.3 Installation Environment.....................................................6

2.3.1 Physical Environment Requirement............................6

2.3.2 Working Environment..................................................6

2.4 Hardware Installation ......................................................... 6

2.4.1 Installation Requirement .............................................6

2.4.2 Hardware Installation Procedures...............................7

Chapter3 Internet Connection Configurations .............................9

3.1 PC Configuration................................................................9

3.1.1 How to Set the Network Configurations ......................9

3.1.2 How to Check the Network Connection .................... 11

3.2 Login ................................................................................12

D820R ADSL2+ Router User Guide

3.3 External Dial-Up（Bridge） .............................................13

3.3.1 How to Create a New Connection on My Computer.15

3.4 The Internal Dial-Up Connection (Route).........................18

3.4.1 PPPoE.......................................................................18

3.4.1.1 Before Configuring....................................................... 18

3.4.1.2 Configuring Parameters............................................... 19

3.5 Static IP............................................................................20

3.5.1 Before Configuring ....................................................20

3.5.2 Configuring Parameters ............................................20

3.6 PPPoA ...........................................................................22

Chapter 4 Advanced Configurations..........................................22

4.1 LAN Configuration............................................................22

4.1.1 LAN Configuration.....................................................22

4.1.2 DHCP Server.............................................................23

4.1.3 DHCP Pool Information.............................................23

4.2 System Service ................................................................24

4.2.1 NAT............................................................................24

4.2.2 RIP ............................................................................29

4.2.3 Firewall ......................................................................30

4.2.4 IP and Bridge Filter....................................................30

4.2.5 UPNP ........................................................................30

4.2.6 Blocked Protocol .......................................................31

4.2.7 SNTP.........................................................................31

4.3 Admin Configuration.........................................................32

4.3.1 User Config ...............................................................32

4.3.2 Commit & Reboot......................................................33

D820R ADSL2+ Router User Guide

4.3.3 Image Upgrade..........................................................34

Chapter 5 Appendix ...................................................................35

Appendix 1: Troubleshooting .................................................35

Appendix 2: FAQ....................................................................36

D820R ADSL2+ Router User Guide

Chapter 1 Overview

1.1 Product Introduction

D820R ADSL2+ Router complies with ADSL, ADSL2 and ADSL2+

standards. Supporting up to 24Mbps downstream rate and 1Mbps

upstream rate, it supports multiple protocols and provides NAT

Router and Bridge functions. In addition, the intelligent software,

Setup Wizard, can assist you to access the Internet fast and easily.

Powerful performance and exquisite appearance, it is the best

choice for SOHO and small enterprise users to share the Internet.

1.2 Product Features

 Provides up to 24Mbps downstream rate and 1Mbps

upstream rate

 Supports DHCP, NAT, IGMP, ICMP, ARP

 One10/100M Auto-Negotiation RJ-45 Ethernet port for

network adapter and switch connectivity

 One RJ-11 port and Voice Splitter included

 Provides Web-based management and firmware upgrade

 Complies with ADSL, ADSL2 and ADSL2+ standards

 Compatible with all mainstream DSLAM (CO)

 Provides PPPOE, PPPOA, CLIP protocol

D820R ADSL2+ Router User Guide

 Supports firewall and hacker attack prevention

 Supports Internet Multi Media

 Provides static and dynamic route

 Up to 6.5km transmission distance

1.3 Supporting Protocol

Supports full-rate ADSL2+ standard

 ANSI T1. 413 Issue 2

 ITU-T G. 992. 1 (G. dmt)

 ITU-T G. 992. 2 (G. Lite)

 ITU-T G. 992. 3

 ITU-T G. 992. 5

1.4 Data Encapsulation

 Supports RFC 1483 Bridge、RFC 1483 Router

 Supports Classical IP over ATM (RFC 1577)

 Supports PPP over ATM(RFC 2364)

 Supports PPP over Ethernet (RFC 2516)

D820R ADSL2+ Router User Guide

Chapter 2 Hardware Description

2.1 External Components

2.1.1 The Front Panel

D820R Front Panel

Five LED indicators are located on the front panel. Through these

indicators’ working status, we can tell the Router whether it is

working normally. The LED indicator’s description is shown below.

LED Indicator

PWR

Color Status Description

Green ON The device is powered on.

— OFF Power failure

D820R ADSL2+ Router User Guide

ADSL Green

ACT Green Blinking

LAN Green Blinking

Green ON

100M

— OFF

Blinking

Fast

Indicates the connection is

established.

Indicates the connection is

not established.

Indicates the device gets

through handshake with

physical layer device.

Indicates the Router is

transmitting/receiving data

packets.

Indicates the Router is

transmitting/receiving data

packets to LAN devices.

Indicates the device is

transmitting/receiving data

packets at 100Mbps.

Indicates there is no

connection on LAN.

2.1.2 Back Panel

D820R Back Panel

D820R ADSL2+ Router User Guide

1) ON/OFF: Turn on/off the Router’s power

2) POWER: The power socket for power adapter.

Notice: please use the matched power adapter (9V~50Hz 1A). Use of a

different voltage may damage your Router.

3) RESET: The reset button for restoring to factory default settings.

Notice: Press the button three times with one conoid thing. After all

indicators turn off, the Router will reboot and restore to default settings.

4) LAN: RJ-45 LAN port for connecting to hub, switch or PC’s network

adapter in your local network.

5) LINE: Connect to the Modem port the Voice Splitter or connecting

the telephone line.

2.2 Minimum Requirements

 64MB Memory

 200MHz CPU

 10/100M Network Adapter

 Internet Explorer 5.0

 Operating system supporting TCP/IP protocol

 Broadband Internet service (XDSL/Cable Modem)

D820R ADSL2+ Router User Guide

2.3 Installation Environment

2.3.1 Physical Environment Requirement

 Install the device horizontally.

 Do not wipe off dirt with wet cloth.

 Make sure there’s adequate space for proper heat dissipation

and adequate ventilation around the device.

 Keep the environment clean and dry.

 Power off the device and unplug the power adapter in heavy

rain and lightning day.

2.3.2 Working Environment

 Operating temperature: 0 ℃~40 ℃

 Storage temperature: -40 ℃~70 ℃

 Humidity: 10%~90% RH non-condensing

2.4 Hardware Installation

2.4.1 Installation Requirement

Before you install the device, please make sure you the following

requirements are acquired.

D820R ADSL2+ Router User Guide

 Have acquired at least one WAN IP address or user name and

password provided by your ISP

 One or more 10Base-T/100Base-T Network Adapter on your

 Internet Explorer 5.0 or above

2.4.2 Hardware Installation Procedures

1. Connect the Modem port of the Voice Splitter with the D820R

ADSL2+ Router LINE port by telephone line. While you need

to use a telephone, please attach telephone line into the

PHONE port of the Voice Splitter.

2. Connect the ADSL2+ Router’s LAN port to your computer’s

network adapter with network cable.

3. Plug one end of the AC Power Adapter into the Power socket

on the Ethernet ADSL Router and the other end to a standard

electrical outlet, and turn on the power switch.

4. Check the line connection as the below figure to see if

everything is ready.

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