TP-Link TD-8840T User Manual
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TP-Link TD-8840T User Manual

TP-Link TD-8840T User Manual

Adsl2+ modem router
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TD-8840T
ADSL2+ Modem Router
Rev: 4.0.0
1910010648

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Summary of Contents for TP-Link TD-8840T

  • Page 1 TD-8840T ADSL2+ Modem Router Rev: 4.0.0 1910010648...
  • 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: Declaration Of Conformity

    TP-LINK TECHNOLOGIES CO., LTD DECLARATION OF CONFORMITY For the following equipment: Product Description: ADSL2+ Modem Router Model No.: TD-8840T Trademark: TP-LINK We declare under our own responsibility that the above products satisfy all the technical regulations applicable to the product within the scope of Council Directives: Directives 2004 / 108 / EC, Directives 2006 / 95 / EC, Directives 2011/65/EU The above product is in conformity with the following standards or other normative documents：...

  • Page 5: Table Of Contents

    CONTENTS Package Contents ....................1 Chapter 1. Product Overview...................2 1.1 Overview of the Modem Router ..................2 1.2 Main Features......................... 3 1.3 Panel Layout........................4 1.3.1 The Front Panel ........................4 1.3.2 The Back Panel........................4 Chapter 2. Connecting the Modem Router .............6 2.1 Installation Environment ....................
  • Page 6 4.6.3 RIP Settings ........................35 4.7 Forwarding........................36 4.7.1 Virtual Servers........................36 4.7.2 Port Triggering ........................37 4.7.3 DMZ ........................... 39 4.7.4 UPnP..........................40 4.8 Parent Control....................... 40 4.9 Firewall ......................... 42 4.9.1 Rule............................ 42 4.9.2 LAN Host..........................43 4.9.3 WAN Host .......................... 44 4.9.4 Schedule ..........................

  • Page 7: Package Contents

    One TD-8840T ADSL2+ Modem Router One Power Adapter for TD-8840T ADSL2+ Modem Router Quick Installation Guide One RJ45 cable Two RJ11 cables One ADSL splitter One Resource CD for TD-8840T ADSL2+ Modem Router, including: • This User Guide • Other Helpful Information Note: Make sure that the package contains the above items.

  • Page 8: Chapter 1. Product Overview

    The device is designed to provide a simple and cost-effective ADSL Internet connection for a private Ethernet network. The TD-8840T ADSL2+ Modem Router connects to an Ethernet LAN or computers via standard Ethernet ports. The ADSL connection is made using ordinary telephone line with standard connectors.

  • Page 9: Main Features

    TD-8840T ADSL2+ Modem Router User Guide 1.2 Main Features 4 10/100M RJ45 LAN ports (Auto MDI/MDIX), 1 RJ11 port. Downstream data rates up to 24Mbps, upstream data rates up to 3.5Mbps（With Annex M enabled）. Supports long transfers, the max line length can reach to 6.5Km.

  • Page 10: Panel Layout

    TD-8840T ADSL2+ Modem Router User Guide 1.3 Panel Layout 1.3.1 The Front Panel Figure 1-1 The Router’s LEDs are located on the front panel (View from left to right). They indicate the device’s working status. For details, please refer to LED Explanation.
  • Page 11 TD-8840T ADSL2+ Modem Router User Guide POWER: The Power socket is where the power adapter connects to. ON/OFF: The switch for the power. RESET: There are two ways to reset the Router's factory defaults. Method one: With the Router powered on, use a pin to press and hold the Reset button for at least 5 seconds.

  • Page 12: Chapter 2. Connecting The Modem Router

    TD-8840T ADSL2+ Modem Router User Guide Chapter 2. Connecting the Modem Router 2.1 Installation Environment The Product should not be located where it will be exposed to moisture or excessive heat. Place the Router in a location where it can be connected to the various devices as well as to a power source.

  • Page 13: Connecting The Modem Router

    TD-8840T ADSL2+ Modem Router User Guide 2.2 Connecting the Modem Router Before installing the device, please make sure your broadband service provided by your ISP is available. If there is any problem, please contact your ISP. Before cable connection, cut off the power supply and keep your hands dry.

  • Page 14: Chapter 3. Quick Installation Guide

    TD-8840T ADSL2+ Modem Router User Guide Chapter 3. Quick Installation Guide 3.1 Configuring the PC After you directly connect your PC to the Modem Router or connect your adapter to a Hub/Switch which has connected to the Modem Router, you need to configure your PC’s IP address. Follow the steps below to configure it.
  • Page 15 TD-8840T ADSL2+ Modem Router User Guide Figure 3-2 Step 3: Select General tab, highlight Internet Protocol (TCP/IP), and then click the Properties button. Figure 3-3...
  • Page 16 TD-8840T ADSL2+ Modem Router User Guide Step 4: Configure the IP address as Figure 3-4 shows. After that, click OK. Figure 3-4 Note: You can configure the PC to get an IP address automatically, select “Obtain an IP address automatically” and “Obtain DNS server address automatically” in the screen above.

  • Page 17: Login

    TD-8840T ADSL2+ Modem Router User Guide If the result displayed is similar to the screen shown below, it means that your PC has not connected to the Modem Router. Figure 3-6 You can check it following the steps below: Is the connection between your PC and the Modem Router correct? The LEDs of LAN port which you link to the device and the LEDs on your PC's adapter should be lit.
  • Page 18 TD-8840T ADSL2+ Modem Router User Guide Figure 3-8 Note: 1) Do not mix up the user name and password with your ADSL account user name and password which are needed for PPP connections. 2) If the above screen does not pop up, it means that your Web-browser has been set to a proxy.
  • Page 19 TD-8840T ADSL2+ Modem Router User Guide Figure 3-9 Change the VPI or VCI values which are used to define a unique path for your connection. If you have been given specific settings for this to configuration, type in the correct values assigned by your ISP.
  • Page 20 TD-8840T ADSL2+ Modem Router User Guide Figure 3-11 On this page, please confirm all parameters. Click Previous to modify or click the Save button to make the configuration take effect. Figure 3-12 You will see the Complete screen below, click Finish to complete these settings.

  • Page 21: Chapter 4. Configuring The Modem Router

    TD-8840T ADSL2+ Modem Router User Guide Chapter 4. Configuring the Modem Router This chapter will show each Web page's key function and the configuration way. 4.1 Login After your successful login, you will see the fifteen main menus on the left of the Web-based utility.

  • Page 22: Quick Setup

    TD-8840T ADSL2+ Modem Router User Guide Figure 4-1 4.3 Quick Setup Please refer to Section Login. 4.4 Network Choose “Network”, there are many submenus under the main menu. Click any one of them, and you will be able to configure the corresponding function.

  • Page 23: Wan Settings

    TD-8840T ADSL2+ Modem Router User Guide 4.4.1 WAN Settings Choose “Network” “WAN Settings”, and you will see the WAN Port Information Table in the screen similar to Figure 4-2, which describes the WAN port settings and the relevant manipulation to each interface. There are five different configurations for the connection types, which are Static IP, Dynamic IP, PPPoE, IPoA, and Bridge.
  • Page 24 TD-8840T ADSL2+ Modem Router User Guide Figure 4-3 4.4.1.1 Static IP Select this option if your ISP provides static IP information to you. You should set static IP address, IP subnet mask, and gateway address in the screen below.
  • Page 25 TD-8840T ADSL2+ Modem Router User Guide Figure 4-4 ATM Configuration: VPI (0~255): Identifies the virtual path between endpoints in an ATM network. The valid range is from 0 to 255. Please input the value provided by your ISP. VCI (1~65535): Identifies the virtual channel endpoints in an ATM network. The valid range is from 1 to 65535 (1 to 31 is reserved for well-known protocols).
  • Page 26 TD-8840T ADSL2+ Modem Router User Guide Default Gateway: select a WAN Interface from the drop-down list as the IPv4 default gateway. MTU (bytes): Maximum Transmission Unit Size. Check this box then you can change the MTU size. The default MTU value is 1500 Bytes. It is not recommended that you change the default value unless required by your ISP.
  • Page 27 TD-8840T ADSL2+ Modem Router User Guide Figure 4-5 Click Advanced, advanced selections for WAN Service Setup can be shown. MTU (bytes): Maximum Transmission Unit Size. Check this box then you can change the MTU size. The default MTU value is 1500 Bytes. It is not recommended that you change the default value unless required by your ISP.
  • Page 28 TD-8840T ADSL2+ Modem Router User Guide Primary DNS Server/ Secondary DNS Server: Choose “Set DNS Server manually”, you can set DNS Server (at least one) manually here. The Route will use this DNS Server for priority. Click the Save button to save the settings.
  • Page 29 TD-8840T ADSL2+ Modem Router User Guide Choose the right connection type according to your needs: For PPPoE connection, you can select Connect on demand or Connect automatically or Connect manually. Connect on demand is dependent on the traffic. If there is no traffic (or Idle) for a pre-specified period of time), the connection will tear down automatically.
  • Page 30 TD-8840T ADSL2+ Modem Router User Guide 4.4.1.5 IPoA If your ISP provides an IPoA connection, select IPoA option for the WAN service type on the screen. Figure 4-8 IP Address/Subnet Mask: Enter the IP Address and Subnet Mask provided by ISP. If you forget, you can ask your ISP.

  • Page 31: Interface Grouping

    TD-8840T ADSL2+ Modem Router User Guide Figure 4-9 Note: After you finish the Internet configuration, please click Save to make the settings take effect. 4.4.2 Interface Grouping Choose “Network” “Interface Grouping”, you can view all the current groups on this page (shown in Figure 4-10).

  • Page 32: Lan Settings

    TD-8840T ADSL2+ Modem Router User Guide To support this feature, you must create mapping groups with appropriate LAN and WAN interfaces using the Add button. The Remove button will remove the grouping and add the ungrouped interfaces to the Default group. Only the default group has IP interface.

  • Page 33: Mac Clone

    TD-8840T ADSL2+ Modem Router User Guide IP Address: You can configure the Modem Router’s IP Address and Subnet Mask for LAN Interface. • IP Address: Enter the Modem Router’s local IP Address, then you can access to the Web-based Utility via the IP Address, the default value is 192.168.1.1.

  • Page 34: Alg Settings

    TD-8840T ADSL2+ Modem Router User Guide Figure 4-13 Note: Only the WAN Ports can use MAC Address Clone function. All the clone MAC addresses must not be the same with each other. 4.4.5 ALG Settings Choose menu “Advanced Setup” “ALG Settings”, and then you can configure the basic security in the screen as shown in Figure 4-14.

  • Page 35: Dsl Settings

    TD-8840T ADSL2+ Modem Router User Guide layer "control/data" protocols such as FTP, TFTP etc. FTP ALG - To allow FTP clients and servers to transfer data across NAT, click Enable. • TFTP ALG - To allow TFTP clients and servers to transfer data across NAT, click •...
  • Page 36 TD-8840T ADSL2+ Modem Router User Guide Figure 4-16 Start IP Address: Enter a value for the DHCP server to start with when issuing IP addresses. Because the default IP address for the Modem Router is 192.168.1.1, the default Start IP Address is 192.168.1.100, and the Start IP Address must be 192.168.1.100 or greater, but...

  • Page 37: Clients List

    TD-8840T ADSL2+ Modem Router User Guide Note: To use the DHCP server function of the Modem Router, you must configure all computers on the LAN as "Obtain an IP Address automatically". You have to disable NAT of the WAN connections, or the DHCP Relay may not take effect.

  • Page 38: Conditional Pool

    TD-8840T ADSL2+ Modem Router User Guide Figure 4-18 MAC Address: The MAC address of the PC for which you want to reserve an IP address. IP Address: The IP address reserved for the PC by the Modem Router. Status: The status of this entry either Enabled or Disabled.

  • Page 39: Route Settings

    TD-8840T ADSL2+ Modem Router User Guide Figure 4-20 To add a vendor class: Click the Add New button. Then Figure 4-21 will pop up. Enter parameters for the vendor class. Click the Save button. Figure 4-21 To modify or delete an existing entry: Click the Edit in the entry you want to modify.

  • Page 40: Default Gateway

    TD-8840T ADSL2+ Modem Router User Guide 4.6.1 Default Gateway Choose “Route Settings” “Default Gateway”, you can see the Default Gateway screen. You can select a WAN Interface from the drop-down list as the system default gateway. Figure 4-22 Click the Add Interface button, you can add WAN Interfaces.

  • Page 41: Rip Settings

    TD-8840T ADSL2+ Modem Router User Guide Figure 4-24 Enter the following data: Destination IP Address: The Destination IP Address is the address of the network or host that you want to assign to a static route. Subnet Mask: The Subnet Mask determines which portion of an IP Address is the network portion, and which portion is the host portion.

  • Page 42: Forwarding

    TD-8840T ADSL2+ Modem Router User Guide 4.7 Forwarding There are four submenus under the Forwarding menu: Virtual Servers, Port Triggering, DMZ and UPnP. Click any of them, and you will be able to configure the corresponding function. 4.7.1 Virtual Servers Choose menu “Forwarding”...

  • Page 43: Port Triggering

    TD-8840T ADSL2+ Modem Router User Guide Select the protocol used for this application in the Protocol drop-down list, either TCP, UDP, or All. Select the Enabled option in the Status drop-down list. Click the Save button. Figure 4-27 Note: It is possible that you have a computer or server that has more than one type of available service.
  • Page 44 TD-8840T ADSL2+ Modem Router User Guide Figure 4-28 To add a new rule, follow the steps below. Click the Add New button, the next screen will pop-up as shown in Figure 4-29. Select a common application from the Common Service Port drop-down list, then the Trigger Port field and the Open Ports field will be automatically filled.

  • Page 45: Dmz

    TD-8840T ADSL2+ Modem Router User Guide Open Protocol: The protocol used for Incoming Port, either TCP, UDP, or ALL (all protocols supported by the Modem Router). Status: The status of this entry, Enabled means the Port Triggering entry is enabled.

  • Page 46: Upnp

    TD-8840T ADSL2+ Modem Router User Guide To assign a computer or server to be a DMZ server: 1. Click the Enable button. 2. Enter the IP address of a local PC that is set to be DMZ host in the DMZ Host IP Address field.
  • Page 47 TD-8840T ADSL2+ Modem Router User Guide Figure 4-32 Enable Parental Control: Check the box if you want this function to take effect. This function is disabled by default. MAC Address of Parental PC: In this field, enter the MAC address of the controlling PC, or you can make use of the Copy To Above button below.

  • Page 48: Firewall

    TD-8840T ADSL2+ Modem Router User Guide 4.9 Firewall There are five submenus under the Firewall menu: Rule, LAN Host, WAN Host, Schedule and DDoS. Click any of them, and you will be able to configure the corresponding function. 4.9.1 Rule Choose menu “Firewall”...

  • Page 49: Lan Host

    TD-8840T ADSL2+ Modem Router User Guide Delete Selected: Click the Delete Selected button to delete the selected entries in the table. The methods to add a new rule: Click the Add New button and the next screen will pop up as shown in Figure 4-34.

  • Page 50: Wan Host

    TD-8840T ADSL2+ Modem Router User Guide To add a new entry, please follow the steps below. Click the Add New button. In the Mode field, select IP Address or MAC Address. If you select IP Address, please follow the steps below: 1) In Description field, create a unique description for the host (e.g.

  • Page 51: Schedule

    TD-8840T ADSL2+ Modem Router User Guide If you select MAC Address, the screen shown is Figure 4-38. Figure 4-38 In Description field, create a unique description for the host (e.g. Host_1). In MAC Address field, enter the MAC address. If you select URL Address, the screen shown is Figure 4-39.

  • Page 52: Ddos

    TD-8840T ADSL2+ Modem Router User Guide To add a new schedule, follow the steps below: 1. Click Add New button and the next screen will pop-up as shown in Figure 4-41. 2. In Description field, create a unique description for the schedule (e.g. Schedule_1).
  • Page 53 TD-8840T ADSL2+ Modem Router User Guide Figure 4-42 DoS protection - Denial of Service protection. Check the Enable or Disable button to enable or disable the DoS protection function. Only when it is enabled, will the flood filters be enabled.

  • Page 54: Bandwidth Control

    TD-8840T ADSL2+ Modem Router User Guide 4.10 Bandwidth Control Choose menu “Bandwidth Control”, and then you can configure the Upstream Bandwidth and Downstream Bandwidth in the next screen. The values you configure should be less than 100000Kbps. For optimal control of the bandwidth, please select the right Line Type and ask your ISP for the total bandwidth of the egress and ingress.

  • Page 55: Ip&Mac Binding

    TD-8840T ADSL2+ Modem Router User Guide Figure 4-44 Click the Save button. 4.11 IP&MAC Binding There are two submenus under the IP &MAC Binding menu: Binding Settings and ARP List. Click any of them, and you will be able to scan or configure the corresponding function. The detailed explanations for each submenu are provided below.

  • Page 56: Arp List

    TD-8840T ADSL2+ Modem Router User Guide When you want to add or modify an IP & MAC Binding entry, you can click the Add New button or Edit button, and then you will go to the next page. This page is used for adding or modifying an IP Figure 4-46 &...

  • Page 57: Dynamic Dns

    TD-8840T ADSL2+ Modem Router User Guide Load: Load the item to the IP & MAC Binding list. Click the Load Selected button to load selected items to the IP & MAC Binding list. Click the Refresh button to refresh all items.

  • Page 58: System Tools

    TD-8840T ADSL2+ Modem Router User Guide Figure 4-49 4.14 System Tools Choose menu “System Tools”, and you can see the submenus under the main menu: System Log, Time Settings, Manage Control, CWMP Settings, SNMP Settings, Backup & Restore, Factory Defaults, Firmware Upgrade, Reboot and Statistics. Click any of them, and you will be able to configure the corresponding function.

  • Page 59: Time Settings

    TD-8840T ADSL2+ Modem Router User Guide Figure 4-50 Log Type: By selecting the log type, only logs of this type will be shown. Log Level: By selecting the log level, only logs of this level will be shown. Refresh: Refresh the page to show the latest log list.

  • Page 60: Manage Control

    TD-8840T ADSL2+ Modem Router User Guide Figure 4-52 Time Zone: Select your local time zone from this pull down list. Date: Enter your local date in MM/DD/YY into the right blanks. Time: Enter your local time in HH/MM/SS into the right blanks.

  • Page 61: Cwmp Settings

    TD-8840T ADSL2+ Modem Router User Guide Figure 4-53 Current User Status: This box displays the information about User Type, User Name, Host IP Address and Host MAC Address. Account Management: Here you can set the account user information about Old Password, New User Name, New Password and Confirm Password.

  • Page 62: Snmp Settings

    TD-8840T ADSL2+ Modem Router User Guide Figure 4-54 CWMP: Select enable the CWMP function. Inform: Enable or disable the function. If enabled, the information will be informed to ACS server periodically. Inform Interval: Enter the interval time here. ACS URL: Enter the website of ACS which is provided by your ISP.

  • Page 63: Backup & Restore

    TD-8840T ADSL2+ Modem Router User Guide Figure 4-55 An SNMP Agent is an application running on the Modem Router that performs the operational role of receiving and processing SNMP messages, sending responses to the SNMP manager, and sending traps when an event occurs. So a router contains SNMP "agent" software can be monitored and/or controlled by SNMP Manager using SNMP messages.

  • Page 64: Firmware Upgrade

    Enter or select the path name where you save the downloaded file on the computer into the File Name blank. Click the Upgrade button. The Modem Router will reboot while the upgrading has been finished. Note: New firmware versions are posted at http://www.tp-link.com and can be downloaded for free.

  • Page 65: Reboot

    TD-8840T ADSL2+ Modem Router User Guide There is no need to upgrade the firmware unless the new firmware has a new feature you want to use. However, when experiencing problems caused by the Modem Router rather than the configuration, you can try to upgrade the firmware.
  • Page 66 TD-8840T ADSL2+ Modem Router User Guide Figure 4-60 Statistics Status: Enable or Disable. The default value is disabled. To enable it, click the Enable. If it is disabled, the function of DoS protection in Security settings will be disabled. Statistics Interval (5-60): The default value is 10. Select a value between 5 and 60 seconds in the drop-down list.

  • Page 67: Appendix A: Specifications

    TD-8840T ADSL2+ Modem Router User Guide Appendix A: Specifications General ANSI T1.413, ITU G.992.1, ITU G.992.2, ITU G.992.3, ITU G.992.5, Standards and Protocols IEEE 802.11b, IEEE 802.11g, IEEE 802.11n, IEEE 802.3, IEEE 802.3u, TCP/IP, PPPoA, PPPoE, SNTP, HTTP, DHCP, ICMP, NAT Safety &...

  • Page 68: Appendix B: Troubleshooting

    TD-8840T ADSL2+ Modem Router User Guide Appendix B: Troubleshooting T1. How do I restore my Modem Router’s configuration to its factory default settings? With the Modem Router powered on, press and hold the RESET button on the rear panel for 8 to 10 seconds before releasing it.
  • Page 69 TD-8840T ADSL2+ Modem Router User Guide Right-click Local Area Connection Click Properties Double-click Internet Protocol (TCP/IP)
  • Page 70 TD-8840T ADSL2+ Modem Router User Guide Select Obtain an IP address automatically Select Obtain DNS server address automatically Click OK Click OK...
  • Page 71 TD-8840T ADSL2+ Modem Router User Guide For Windows Vista OS Go to Start > Settings >Control Panel, and then you will see the following page. Click View network status and tasks Click View status Click Properties...
  • Page 72 TD-8840T ADSL2+ Modem Router User Guide Double-click Internet Protocol Version 4 (TCP/IPv4) Select Obtain an IP address automatically Select Obtain DNS server address automatically Click OK...
  • Page 73 TD-8840T ADSL2+ Modem Router User Guide For Windows 7 OS Go to Start > Settings > Control Panel, and then you will see the following page. Click View network status and tasks Click Change adapter settings Right-click Local Area Connection...
  • Page 74 TD-8840T ADSL2+ Modem Router User Guide Double-click Internet Protocol Version 4 (TCP/IPv4) Select Obtain an IP address automatically Select Obtain DNS server address automatically Click OK...
  • Page 75 TD-8840T ADSL2+ Modem Router User Guide 2) Configure your IE browser Open your IE browser, click Tools tab and you will see the following screen. Click Internet Options Select Never dial a connection Click OK Now, try to log on to the Web-based configuration page again after the above settings have been configured.
  • Page 76 Modem Router by following the instructions in Login. 5) Please feel free to contact our Technical Support if the problem still exists. Note: For more details about Troubleshooting and Technical Support contact information, please log on to our Technical Support Website: http://www.tp-link.com/en/support...

  • Page 77: Appendix C: Technical Support

    9:00 AM to1:00 PM, 2:00 PM to 6:00 PM Brazil Indonesia Toll Free: 0800-770-4337 (Portuguese Tel: (+62) 021 6259 135 Service) E-mail : support.id@tp-link.com E-mail: suporte.br@tp-link.com Service time : Monday to Friday Service time: Monday to Saturday 9:00 -12:00; 13:00 -18:00 08:00 AM to 08:00 PM...

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