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TP-Link TD-8841 User Manual

Adsl2+ modem router
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TD-8841 User Guide
ADSL2+ Modem Router
Rev: 2.0.1
1910010193

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  • Page 1 TD-8841 User Guide ADSL2+ Modem Router Rev: 2.0.1 1910010193...
  • Page 2 Specifications are subject to change without notice. is a registered trademark of TP-LINK TECHNOLOGIES CO., LTD. Other brands and product names are trademarks or registered trademarks of their respective holders. No part of the specifications may be reproduced in any form or by any means or used to make any derivative such as translation, transformation, or adaptation without permission from TP-LINK TECHNOLOGIES CO., LTD.

  • Page 3: Fcc Statement

    FCC STATEMENT 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.

  • Page 4: Safety Notices

    EC DECLARATION OF CONFORMITY (EUROPE) In compliance with the EMC Directive 89/336/EEC, Low Voltage Directive 73/23/EEC, this product meets the requirements of the following standards: • EN55022 • EN55024 • EN60950 SAFETY NOTICES Caution: Do not use this product near water, for example, in a wet basement or near a swimming pool.

  • Page 5: Table Of Contents

    CONTENTS Package Contents ....................1 Chapter 1. Introduction ..................2 Product Overview ...................... 2 Main Features ......................2 Supporting Protocol....................3 Transmit Data-rate ....................3 ATM Property ......................3 System Support......................4 Working Environment ....................4 Conventions ......................2 Chapter 2. Hardware Installation Guide ..............
  • Page 6 4.3.5 Routing ...........................41 4.3.6 DSL..........................43 Diagnostics......................45 Management ......................46 4.5.1 Settings...........................46 4.5.2 System Log ........................48 4.5.3 SNMP Agent........................49 4.5.4 Access Control .......................50 4.5.5 Update Firmware......................52 4.5.6 Save/Reboot........................53 Chapter 5. Software Dial..................54 Appendix A: FAQ....................56 Appendix B: Default Configuration............... 58...

  • Page 7: Package Contents

    ADSL2+ Modem Router User Guide Package Contents The following items should be found in your package: One TD-8841 ADSL2+ Modem Router One AC power Adapter for TD-8841 ADSL2+ Modem Router One Resource CD for TD-8841 ADSL2+ Modem Router, including: • This Guide •...

  • Page 8: Chapter 1. Introduction

    You can set the parameters according to your demand. Note: The two devices of TD-8841 and TD-8841B are sharing this User Guide. For simplicity, we will take TD-8841 for example throughout this Guide. 1.3 Main Features...

  • Page 9: Supporting Protocol

    TD-8841 ADSL2+ Modem Router User Guide Advanced DMT modulation and demodulation Real-time Configuration and device monitoring Quick response semi-conductive surge protect circuit, provides reliable ESD and surge-protect function 1.4 Supporting Protocol - G.992.1 (G.dmt) - Annex A/B/C - G.992.2 (G.lite) - Annex A/B/C - ANSI T1.413...

  • Page 10: System Support

    TD-8841 ADSL2+ Modem Router User Guide 1.7 System Support Support PVC Support NAT、DHCP and so on Support IEEE 802.3、IEEE 802.3u Support 10Base-T/100BASE-TX full-duplex or half duplex Ethernet Support Auto-MDIX 1.8 Working Environment ℃ ℃ Operating temperature: 0 ℃ ℃ Storage temperature: -40...

  • Page 11: Chapter 2. Hardware Installation Guide

    ADSL2+ Modem Router User Guide Chapter 2. Hardware Installation Guide The TD-8841 maintains five separate interfaces: four Ethernet and one ADSL interface. The Router should not be located where it will be exposed to moisture or excessive heat. Place the Router in a location where it can be safely connected to the various devices.

  • Page 12: The Rear Panel

    Router can be described in the following steps. First Step: Connect the MODEM port of Splitter with the TD-8841 ADSL2+ Modem Router’s LINE port by telephone line. If you need to use a telephone, please attach telephone line into the phone port of Splitter.
  • Page 13 TD-8841 ADSL2+ Modem Router User Guide Third Step: Plug one end of the AC Power Adapter into the Power jack on the Router and the other end to a standard electrical outlet. Last Step: Check the line connection to see if everything is ready. Power up finally.

  • Page 14: Chapter 3. Quick Installation Guide

    Chapter 3. Quick Installation Guide 3.1 Configure PC After you directly connect your PC to the TD-8841 or connect your adapter to a Hub/Switch which has connected to the Router, you need to configure your PC’s IP address. Now you have two...
  • Page 15 TD-8841 ADSL2+ Modem Router User Guide Step 3: Select General tab, highlight Internet Protocol (TCP/IP), and then click the Properties button. Figure 3-3 Step 4: Select “Obtain an IP address automatically” and “Obtain DNS server address automatically” in the screen below. And then click OK.
  • Page 16 TD-8841 ADSL2+ Modem Router User Guide Setting IP address manually The default IP address of the ADSL2+ Modem Router is 192.168.1.1, and the default Subnet Mask is 255.255.255.0. These values can be seen from the LAN, and can be changed as your desire.

  • Page 17: Usb Configuration

    3.2 USB Configuration If you use the USB interface, you must install the USB’s driver to the computer first. You can obtain the drivers from the provided CD, or download from our website. (http://www.tp-link.com) USB Drive installation procedures Step 1: Please connect your PC to the Router through the USB port at first, then open the relative operating system folder in the CD, and double click Setup.exe to install the USB...
  • Page 18 TD-8841 ADSL2+ Modem Router User Guide Figure 3-8 Step 3: You will see Figure 3-9 as follow, please wait a moment. Figure 3-9 Step 4: After that, you will see Figure 3-10. Click Finish to complete the installation.

  • Page 19: Login

    TD-8841 ADSL2+ Modem Router User Guide Figure 3-10 Note: All of the above settings are under windows XP. If you want to pull out the USB device you must disconnect the network of USB first. In the Vista operating system, maybe the “Unknown Device” screen will pop up when you insert the USB cable of the Router to a computer, please just unplug the USB cable and try again.

  • Page 20: Quick Setup

    TD-8841 ADSL2+ Modem Router User Guide 3.4 Quick Setup Figure 3-12 is the main page of the Router. Figure 3-12 Please select Quick Setup. Enter the VPI and VCI values provided by your ISP and click Next. Figure 3-13 Select the relevant Connection Type and Encapsulation Mode provided by your ISP and click...

  • Page 21: Pppoa

    TD-8841 ADSL2+ Modem Router User Guide 3.4.1 PPPoA Select PPP over ATM (PPPoA) Connection Type, and click Next. Figure 3-14 Enter the Username and Password provided by your ISP and click Next. Figure 3-15...

  • Page 22: Pppoe

    TD-8841 ADSL2+ Modem Router User Guide Click Save/Reboot. Figure 3-16 3.4.2 PPPoE Select PPP over Ethernet (PPPoE) Connection Type, and click Next. Figure 3-17 Enter the Username and Password provided by your ISP and click Next.
  • Page 23 TD-8841 ADSL2+ Modem Router User Guide Figure 3-18 Click Save/Reboot. Figure 3-19...

  • Page 24: Mer

    TD-8841 ADSL2+ Modem Router User Guide 3.4.3 Select MAC Encapsulation Routing (MER) Connection Type, and click Next. Figure 3-20 Enter the parameters provided by your ISP, and click Next. Figure 3-21...

  • Page 25: Ipoa

    TD-8841 ADSL2+ Modem Router User Guide Click Save/Reboot. Figure 3-22 3.4.4 IPoA Select IP over ATM (IPoA) Connection Type, and click Next. Figure 3-23 Enter the parameters provided by your ISP and click Next.

  • Page 26: Bridging

    TD-8841 ADSL2+ Modem Router User Guide Figure 3-24 Click Save/Reboot. Figure 3-25 3.4.5 Bridging Select Bridging Connection Type, and click Next.
  • Page 27 TD-8841 ADSL2+ Modem Router User Guide Figure 3-26 Click Save/Reboot. Figure 3-27 Note: After you complete any setup, the new setup must be saved and the Router must be restarted for the configuration to take effect. Please click the Save/Reboot button to restart.

  • Page 28: Chapter 4. Software Configuration

    TD-8841 ADSL2+ Modem Router User Guide Chapter 4. Software Configuration This User Guide recommends using the “Quick Installation Guide” for first-time installation. For advanced users, if you want to know more about this device and make use of its functions adequately, maybe you will get help from this chapter to configure the advanced settings through the Web-based Utility.

  • Page 29: Wan

    TD-8841 ADSL2+ Modem Router User Guide 4.3.1 WAN Choose “Advanced Setup” ”WAN”, and you will see the page of Wide Area Network (WAN) Setup as shown in Figure 4-3. Figure 4-3 There are 4 PVC links in the WAN setup page. Click the Add button or choose the appropriate PVC according to your need.
  • Page 30 TD-8841 ADSL2+ Modem Router User Guide Figure 4-5 After choosing the proper protocol, enter the correct parameters supported by your ISP. Enable the configurations, and then you will go to the Internet. Note: The type of network protocol selected may be different in different areas. There are five types （Figure 4-5）, so you should ask your ISP to acquire the Connection Type and Encapsulation...
  • Page 31 TD-8841 ADSL2+ Modem Router User Guide Figure 4-6 PPP Username: Enter your username for your PPPoA connection to identify and verify your account to the ISP. PPP Password: Enter your password for your PPPoA connection. Authentication Method: Choose a method of authentication, AUTO, PAP, CHAP, or MSCHAP.
  • Page 32 TD-8841 ADSL2+ Modem Router User Guide disabled. Click Next button in Figure 4-6, and then you will see Figure 4-7. Check or uncheck the Enable WAN Service box according to your needs. Figure 4-7 Click the Next button to enter the next step as shown in Figure 4-8. Click Save to complete the configuration.
  • Page 33 TD-8841 ADSL2+ Modem Router User Guide Figure 4-9 PPP Username: Enter your username for your PPPoE connection to identify and verify your account to the ISP. PPP Password: Enter your password for your PPPoE connection. PPPoE Service Name: Enter a name for the PPPoE connection for recognition.
  • Page 34 TD-8841 ADSL2+ Modem Router User Guide Enable PPP Debug Mode: Check this box to enable the debug mode. The default value is disabled. Click Next button in Figure 4-9, and then you will Figure 4-10. Check or uncheck the Enable WAN Service box according to your needs.
  • Page 35 TD-8841 ADSL2+ Modem Router User Guide Figure 4-12 Obtain an IP address automatically: Check this radio button to obtain the IP address automatically. This is not recommended by default. Use the following IP address: This radio button is checked by default. Enter the information provided by your ISP to configure the WAN IP settings.
  • Page 36 TD-8841 ADSL2+ Modem Router User Guide If you configure static default gateway over this PVC in MER mode, you must enter the IP address of the remote gateway in the "Use IP address". The "Use WAN interface" is optional. Click Next button in Figure 4-12, and then you will see the Figure 4-13. Check or uncheck the Enable WAN Service box according to your needs.
  • Page 37 TD-8841 ADSL2+ Modem Router User Guide If you select the protocol of IP over ATM (IPoA), you will see the Figure 4-15. Enter the parameters provided by your ISP. Figure 4-15 WAN IP Address: Enter the IP Address provided by your ISP.
  • Page 38 TD-8841 ADSL2+ Modem Router User Guide Figure 4-16 Check or uncheck the Enable WAN Service box according to your needs. Click the Next button to enter the next step as shown in Figure 4-17, and click Save to complete the configuration.
  • Page 39 TD-8841 ADSL2+ Modem Router User Guide Figure 4-18 Figure 4-19 Note: After completing any setup, the new setup must be saved and the Router must be restarted for the configuration to go into effect. Please click the Save/Reboot button to restart as shown in...

  • Page 40: Lan

    TD-8841 ADSL2+ Modem Router User Guide Figure 4-20 Note: All of the above setup is under windows XP OS. 4.3.2 LAN Choose “Advanced Setup→LAN” menu, and you can see and configure the Local Area Network (LAN) parameters in the screen as shown in Figure 4-21.

  • Page 41: To Reserve Ip Address

    TD-8841 ADSL2+ Modem Router User Guide Note: If you change the IP Address of LAN, you must use the new IP Address to log in the Router. If the new LAN IP Address you set is not in the same subnet, the IP Address pool of the DHCP server will change accordingly at the same time，...
  • Page 42 TD-8841 ADSL2+ Modem Router User Guide Figure 4-22 Click the New Entry button in Figure 4-22. Then Figure 4-23 will pop up. Figure 4-23 Enter the MAC address in XX:XX:XX:XX:XX:XX format and reserved IP address in dotted-decimal notation of the computer for which you want to reserve an IP address.

  • Page 43: Mac Clone

    TD-8841 ADSL2+ Modem Router User Guide Select Enable from the State drop-down list. Click the Save button, then you will go back to the Address Reservation screen and see the new entry as shown in Figure 4-22. Click Save/Reboot button to save the settings and reboot the Router.

  • Page 44: Security

    TD-8841 ADSL2+ Modem Router User Guide Your configuration won't take effect unless the ADSL Router is rebooted. MAC Clone can't be used with port mirror. If they are set both, the Router will be down. 4.3.4 Security Choose “Advanced Setup→Security” menu, you can do some security configurations for your Router.
  • Page 45 TD-8841 ADSL2+ Modem Router User Guide Figure 4-27 To add a new entry, follow the steps below. Click the Add button in Figure 4-26 to go to the Add MAC Filter page as shown in Figure 4-28. Select the protocol type.
  • Page 46 TD-8841 ADSL2+ Modem Router User Guide To remove an existing entry, follow the steps below. Check the Remove box as shown in Figure 4-26 in the entry you want to remove. Click the Remove button. 4.3.4.2. Parental Control Choose “Security→Parental Control” menu, you can configure the parental control rule in the screen as shown in Figure 4-29.

  • Page 47: Routing

    TD-8841 ADSL2+ Modem Router User Guide Figure 4-30 To remove an existing entry, follow the steps below. Check the box in the Remove column of the entry as shown in Figure 4-29. Click the Remove button below. 4.3.5 Routing Choose “Advanced Setup→Routing” menu, you can see two submenus under the Routing menu as shown in Figure 4-31.
  • Page 48 TD-8841 ADSL2+ Modem Router User Guide Figure 4-32 Enable Automatic Assigned Default Gateway - Select this checkbox, and then the Router will accept the first received default gateway assignment from one of the PPPoA, PPPoE or MER/DHCP enabled PVC(s). If this checkbox is not selected, you have to enter the static default gateway and/or an interface.

  • Page 49: Dsl

    TD-8841 ADSL2+ Modem Router User Guide To add a new entry, follow the steps below. Click the Add button in Figure 4-33 to go to the Static Route Add page as shown in Figure 4-34. Enter the IP address of the destination network. This parameter specifies the IP network address of the final destination.
  • Page 50 TD-8841 ADSL2+ Modem Router User Guide Figure 4-35 Figure 4-36 If you want to select the tone, click the Tone Selection button to go to the ADSL Tone Settings page as shown in Figure 4-37.

  • Page 51: Diagnostics

    TD-8841 ADSL2+ Modem Router User Guide Figure 4-37 4.4 Diagnostics Choose “Diagnostics”, and your modem will test your DSL connection. Then you will see the test results for the connectivity to your local network and your DSL service provider similar to Figure 4-38.

  • Page 52: Management

    TD-8841 ADSL2+ Modem Router User Guide 4.5 Management Choose “Management”, and you can see the submenus as shown in Figure 4-39. Figure 4-39 4.5.1 Settings Choose “Management→Settings” menu, and you will see the submenus as shown in Figure 4-40. Figure 4-40 4.5.1.1.
  • Page 53 TD-8841 ADSL2+ Modem Router User Guide 4.5.1.2. Update Choose “Settings→Update” menu, and you can update the settings for the Router as shown in Figure 4-42. Click the Browse… button to find the file you want to update and then click Update Settings to begin the updating.

  • Page 54: System Log

    TD-8841 ADSL2+ Modem Router User Guide 4.5.2 System Log Choose “Management→System Log” menu, and you can view and configure the logs of the Router in Figure 4-44. Click the View System Log button, and you will go to the System Log page and see the logs similar to Figure 4-45.

  • Page 55: Snmp Agent

    TD-8841 ADSL2+ Modem Router User Guide Figure 4-46 Log - Check the Disable radio button to disable the system log function. The default setting is enabled. Log Level - Select the log level, then all the events above or equal to the selected level will be logged.

  • Page 56: Access Control

    TD-8841 ADSL2+ Modem Router User Guide Figure 4-47 4.5.4 Access Control Choose “Management→Access Control” menu, and you will submenus as shown in Figure 4-48. Figure 4-48 4.5.4.1. Service Choose “Access Control→Service” menu, and you can enable or disable the services as shown in Figure 4-49.
  • Page 57 TD-8841 ADSL2+ Modem Router User Guide 4.5.4.2. IP Address Choose “Access Control→IP Address” menu, and can view and configure the IP address access control in the screen as shown in Figure 4-50. If enabled, only PCs with IP addresses listed are allowed to access the Router.

  • Page 58: Update Firmware

    To upgrade the router's firmware, follow these instructions below. Download a more recent firmware upgrade file from the TP-LINK website (www.tp-link.com). Type the path and file name of the update file into the “Firmware File Name” field. Or click the...

  • Page 59: Save/Reboot

    TD-8841 ADSL2+ Modem Router User Guide Click the Update Firmware button. 4.5.6 Save/Reboot Choose “Management→Save/Reboot” menu, and you can save your configurations and reboot your Router to make the configurations take effect in the screen as shown in Figure 4-54.

  • Page 60: Chapter 5. Software Dial

    ADSL2+ Modem Router User Guide Chapter 5. Software Dial If TD-8841 CPE is working in bridged (RFC 1483 Bridged) mode when connecting to the Internet, you must install dial software on your PC. There are some software working on WINDOWS in market, examples as EnterNet3000、RASPPPoE、WinPeET.
  • Page 61 TD-8841 ADSL2+ Modem Router User Guide Figure 5-1 Click “Set up a connection or network” in the left of this page. And choose “Set up a dial-up connection” in the new page; click Next. After that, you will see Figure 5-2; click “Set up a connection anyway”...

  • Page 62: Appendix A: Faq

    TD-8841 ADSL2+ Modem Router User Guide Appendix A: What related parameters are required to acquire ISP when you want to access the Internet by ADSL2+ Modem Router? 1) Dial user: Connection protocol, User name, Password, Value of VPI/VCI, Encapsulation mode of AAL5 and so on.
  • Page 63 TD-8841 ADSL2+ Modem Router User Guide need to install the dial software, such as Winpoet, Enternet. This product has the PPP dial procedure inside so you will not need to use the dial software if your protocol is PPPoA or PPPoE. ADSL Modem will connect automatically.

  • Page 64: Appendix B: Default Configuration

    TD-8841 ADSL2+ Modem Router User Guide Appendix B: Default Configuration User name admin Password admin 192.168.1.1 IP Address...

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