TD-8840T ADSL2+ Modem Router Rev: 1.1.
COPYRIGHT & TRADEMARKS 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. Copyright © 2009 TP-LINK TECHNOLOGIES CO., LTD.
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 pro-vide reasonable protection against harmful interference in a residential installation. This equipment generates, uses and can radiate radio frequency energy and, if not in-stalled and used in accordance with the instructions, may cause harmful interference to radio communications.
CONTENTS Package Contents .................................................................................................... 1 Chapter 1 Introduction ......................................................................................... 2 1.1 Product Overview..........................................................................................................2 1.2 Main Features ...............................................................................................................2 1.
4.6.4 System Restart.................................................................................................47 4.6.5 Diagnostic ........................................................................................................48 4.7 Help.............................................................................................................................48 Appendix A: Specification.....................................................................................
Package Contents The following items should be found in your box: ¾ TD-8840T ADSL2+ Modem Router ¾ One Power Adapter for TD-8840T ADSL2+ Modem Router ¾ One Quick Installation Guide ¾ RJ45 cable ¾ Two RJ11 cables ¾ One ADSL splitter ¾ One Resource CD, including: z This User Guide z Other Helpful Information ) Note: Make sure that the package contains the above items. If any of the listed items are damaged or missing, please contact with your distributor.
TD-8840T ADSL2+ Modem Router User Guide Chapter 1 Introduction Thank you for choosing the TD-8840T ADSL2+ Modem Router. 1.1 Product Overview Thank you for choosing the TD-8840T ADSL2+ Modem Router. The device is designed to provide a simple and cost-effective ADSL Internet connection for a private Ethernet network. The TD-8840T connects to an Ethernet LAN or computers via standard Ethernet ports. The ADSL connection is made using ordinary telephone line with standard connectors.
TD-8840T ADSL2+ Modem Router User Guide ¾ Built-in DHCP server. ¾ Built-in firewall, supports IP/MAC filter, Application filter and URL filter. ¾ Supports Virtual Server, DMZ host and IP Address Mapping. ¾ Supports Dynamic DNS, UPnP and Static Routing. ¾ Supports system log and flow Statistics. ¾ Supports firmware upgrade and Web management. 1.3 Conventions The Router or TD-8840T, or this device mentioned in this User Guide stands for TD-8840T ADSL2+ Modem Router without any explanations.
TD-8840T ADSL2+ Modem Router User Guide Chapter 2 Hardware Installation 2.1 The Front Panel Figure 2-1 The Router’s LEDs are located on the front panel (View from left to right). For details, please refer to LED Explanation. LED Explanation: Name Status Indication On Power is on. Off Power is off. On The LINE port is linked up. Power ADSL Internet 1~4 (LAN) Flash Off The LINE port is linked down. On A successful PPP connection has been built.
TD-8840T ADSL2+ Modem Router User Guide ¾ On/OFF: The switch for the power. ¾ 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. And the Router will reboot to its factory default settings. Method two：Restore the default setting from “Maintenance-SysRestart” of the Router's Web-based Utility.
TD-8840T Figure 2-3 6 ADSL2+ Modem Router User Guide
TD-8840T ADSL2+ Modem Router User Guide Chapter 3 Quick Installation Guide 3.1 Configure PC After you directly connect your PC to the TD-8840T or connect your adapter to a Hub/Switch which has connected to the Router, you need to configure your PC’s IP address. Follow the steps below to configure it. Step 1: Click the Start menu on your desktop, right click My Network Places, and then select Properties (shown in Figure 3-1).
TD-8840T 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: Configure the IP address as Figure 3-4 shows. After that, click OK.
TD-8840T ADSL2+ Modem Router User Guide Figure 3-4 ) Note: 1) If the router's LAN IP address is 192.168.1.1, the IP address can be specified as 192.168.1.x (x is from 2 to 254), and the Subnet mask as 255.255.255.0. 2) You can also 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. Now, you can run the Ping command in the command prompt to verify the network connection.
TD-8840T ADSL2+ Modem Router User Guide Figure 3-5 If the result displayed is similar to the screen shown below, it means that your PC has not connected to the Router. Figure 3-6 You can check it follow the steps below: 1) Is the connection between your PC and the Router correct? The LEDs of LAN port which you link to the device and the LEDs on your PC's adapter should be lit. 2) Is the TCP/IP configuration for your PC correct? If the Router's IP address is 192.168.1.
TD-8840T ADSL2+ Modem Router User Guide Figure 3-7 Step 1: Select the Quick Start tab, then click RUN WIZARD, and you will see the next screen. Click the NEXT button. Figure 3-8 Step 2: Configure the time for the Router, and then click the NEXT button. Figure 3-9 Step 3: Select the connection type to connect to the ISP (We select PPPoE/PPPoA mode for example here), and then click the NEXT button.
TD-8840T ADSL2+ Modem Router User Guide Figure 3-10 Step 4: Configure the following options provided by your ISP: Username, Password, VPI, VCI and Connection Type. Then click Next. Figure 3-11 Step 5: Click NEXT to finish the Quick Start.
TD-8840T 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. After your successful login, you can configure and manage the device.
TD-8840T ADSL2+ Modem Router User Guide Figure 4-2 ) Note: Click the other submenus System Log or Statistics in Figure 4-2, you will be able to view the system log and traffic statistics about the Router. 4.2 Quick Start Please refer to " 3.2: Login". 4.3 Interface Setup Choose “Interface Setup”, you can see the next submenus: Internet and LAN. Figure 4-3 Click any of them, and you will be able to configure the corresponding function.
TD-8840T ADSL2+ Modem Router User Guide 4.3.1 Internet Choose “Interface Setup→Internet” menu, you can configure the parameters for WAN ports in the next screen (shown in Figure 4-4). Figure 4-4 ¾ ATM VC: ATM settings are used to connect to your ISP. Your ISP provides VPI (Virtual Path Identifier), VCI (Virtual Channel Identifier) settings to you. In this Device, you can totally setup 8 VCs on different encapsulations, if you apply 8 different virtual circuits from your ISP.
TD-8840T ADSL2+ Modem Router User Guide (Sustained Cell Rate) and MBS (Maximum Burst Size), please configure them according your needs. ¾ Encapsulation: There are four connection types: Dynamic IP Address, Static IP Address, PPPoA/PPPoE and Bridge Mode. Please choose the designed type that you want to use. After that, you should follow the configuration below to proceed. 1. Dynamic IP Address Select this option if your ISP provides you an IP address automatically.
TD-8840T 2. ADSL2+ Modem Router User Guide Static IP Address 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 (shown in Figure 4-6). Figure 4-6 ) Note: Each IP address entered in the fields must be in the appropriate IP form, which is four IP octets separated by a dot (x.x.x.x), such as 192.168.1.100. The Router will not accept the IP address if it is not in this format. 3.
TD-8840T ADSL2+ Modem Router User Guide Figure 4-7 ¾ Service name: Specify a name for the PPPoE/PPPoA connection for recognition. ¾ User name: Enter your username for your PPPoE/PPPoA connection to identify and verify your account to the ISP. ¾ Username: Enter your username for your PPPoE/PPPoA connection. ¾ Password: Enter your password for your PPPoE/PPPoA connection. ¾ Encapsulation: For both PPPoE/PPPoA connection, you need to specify the type of Multiplexing, either LLC or VC Mux.
TD-8840T ADSL2+ Modem Router User Guide ¾ Static/Dynamic IP Address: For PPPoE/PPPoA connection, you need to specify the public IP address for this ADSL Router. The IP address can be either dynamically (via DHCP) or given IP address provided by your ISP. For Static IP, you need to specify the IP address, Subnet Mask and Gateway IP address. ¾ Default Route: You should select Yes to configure the PVC as the default gateway to internet from this device.
TD-8840T ADSL2+ Modem Router User Guide Figure 4-9 ¾ Router Local IP: These are the IP settings of the LAN interface for the device. These settings may be referred to as Private settings. You may change the LAN IP address if needed. The LAN IP address is private to your internal network and cannot be seen on the Internet. • IP Address: Enter the 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.
TD-8840T ¾ ADSL2+ Modem Router User Guide DHCP Server: Select Enabled, then you will see the screen below (shown in Figure 4-10). The Router will work as a DHCP Server, it becomes the default gateway for DHCP client connected to it. DHCP stands for Dynamic Host Control Protocol. The DHCP Server gives out IP addresses when a device is booting up and request an IP address to be logged on to the network. That device must be set as a DHCP client to obtain the IP address automatically.
TD-8840T ADSL2+ Modem Router User Guide 3). Select Static as the status. 4). Click Save button. ¾ DNS • DNS Relay: If you want to disable this feature, you just need to set both Primary and secondary DNS IP to 0.0.0.0. If you want to use DNS relay, you can setup DNS server IP to 192.168.1.1 on their Computer. If not, the device will perform as no DNS relay. • Primary DNS Server: Type in your preferred DNS server. • Secondary DNS Server: Type in your preferred DNS server.
TD-8840T 4.4 ADSL2+ Modem Router User Guide Advanced Setup Choose “Advanced Setup”, you can see the next submenus: Figure 4-12 Click any of them, and you will be able to configure the corresponding function. 4.4.1 Routing Choose “Advanced Setup→Routing” menu, and you will see the routing information in the next screen (shown in Figure 4-13). Figure 4-13 Click ADD ROUTE button to add a new route in the next screen (shown in Figure 4-14).
TD-8840T ADSL2+ Modem Router User Guide ¾ Metric: Metric represents the "cost" of transmission for routing purposes. IP Routing uses hop count as the measurement of cost, with a minimum of 1 for directly connected networks. Enter a number that approximates the cost for this link. The number need not to be precise, but it must between 1 and 15. In practice, 2 or 3 is usually a good number.
TD-8840T ADSL2+ Modem Router User Guide Figure 4-16 ¾ DMZ Host IP Address: Enter the specified IP Address for DMZ host on the LAN side. 4.4.2.2. Virtual Server Choose “Advanced Setup→NAT→Virtual Server” in Figure 4-15, you can configure the Virtual Server in the next screen.
TD-8840T ADSL2+ Modem Router User Guide Step 2: Select the Rule index for the rule as shown in Figure 4-17. Step 3: Select the application you want from drop-down list, then the protocol and port number will be added to the corresponding field automatically, you only need to configure the IP address for the virtual server; If the application list does not contain the service that you want, please configure the Port number, IP Address and Protocol manually.
TD-8840T ADSL2+ Modem Router User Guide Figure 4-19 ¾ Rule Index: Select the Address Mapping Rule index for this VC. You can specify 8 rules in maximum. ¾ Rule Type: There are four types, one-to-one, Many-to-One, Many-to-Many Overload and Many-to-Many No-overload. ¾ Local Start & End IP: Enter the local IP Address you plan to mapped to. Local Start IP is the starting local IP address and Local End IP is the ending local IP address. If the rule is for all local IPs, then the Start IP is 0.0.0.
TD-8840T ADSL2+ Modem Router User Guide Click the CANCEL button to cancel the configuration which is made just now. 4.4.3 QoS Choose “Advanced Setup→QoS”, you can configure the QoS in the next screen. QoS helps to prioritize data as it enters your router. By attaching special identification marks or headers to incoming packets, QoS determines which queue the packets enter, based priority.
TD-8840T ¾ ADSL2+ Modem Router User Guide Rule: Configure the rules for QoS. If the traffic complies with the rule, then the Router will take the corresponding action to deal with it. • Rule Index: Select the index for the rule you want to configure. • Active: Activate the rule. The rule can take effect only when it is activated. • Application: Select the application that the rule aimed at. • Physical Ports: Select the port whose traffic flow are controlled by the rule.
TD-8840T ADSL2+ Modem Router User Guide number of different LAN segments. Because VLANs are based on logical instead of physical connections, it is very flexible for user/host management, bandwidth allocation and resource optimization. There are two types of VLAN as follows: Port-Based VLAN: Each physical switch port is configured with an access list specifying membership in a set of VLANs.
TD-8840T ADSL2+ Modem Router User Guide ¾ PVID: Each physical port has a default VID called PVID (Port VID). PVID is assigned to untagged frames or priority tagged frames (frames with null (0) VID) received on this port. 2. Define VLAN Group Click Define VLAN Group in Figure 4-21, you can define VLAN groups in the next screen (shown in Figure 4-23). Figure 4-23 ¾ VLAN Index: Select the VLAN index for this VC. You can specify 8 groups in maximum. ¾ VLAN ID: This indicates the VLAN group.
TD-8840T ADSL2+ Modem Router User Guide Figure 4-24 ¾ ADSL Mode: Select the ADSL operation mode which your ADSL connection uses. ¾ ADSL Type: Select the ADSL operation type which your ADSL connection uses. 4.4.6 Firewall Choose “Advanced Setup→Firewall” menu, and you will see the next screen (shown in Figure 4-25). Figure 4-25 ¾ Firewall: Select this option can automatically detect and block Denial of Service (DoS) attacks, such as Ping of Death, SYN Flood, Port Scan and Land Attack.
TD-8840T ADSL2+ Modem Router User Guide 4.5.1 ACL Choose “Access Management→ACL”, you can see the next screen (shown in Figure 4-27). You can specify the client to access the ADSL Router once setting his IP as a Secure IP Address through selected applications. Figure 4-27 ¾ ACL: If Activated, the IP addresses which are contained in the Access Control List can access to the Router. If Deactivated, all IP addresses can access to the Router. ¾ ACL Rule Index: Select the ACL rule index for the entry.
TD-8840T ADSL2+ Modem Router User Guide Figure 4-28 ¾ Filter Type Selection: Select the filter type for the next configuration below. ¾ IP/MAC Filter Set Index: Select the Set index for the IP Filter entry. This index can match with six IP / MAC Filter Rule Indexes. ¾ Interface: Select the interface for the entry. ) Note: If select PVC0~PVC7 as a interface, the filter will match the IP traffic of WAN port with specified IPs (Source IP Address and Destination IP Address).
TD-8840T ADSL2+ Modem Router User Guide ) Note: Incoming means that IP traffic which is coming into the router, and the Outgoing means that IP traffic which is going out the router. ¾ IP/MAC Filter Rule Index: Select the Rule index for the IP Filter entry. ) Note: You should set the IP/MAC Filter Set Index and IP/MAC Filter Rule Index together to appoint the address (shown in the Filter List) for the IP Filter rule.
TD-8840T ADSL2+ Modem Router User Guide ) Note: If you want to make the rule take effect, please select Yes to active the rule. Step 3: Enter the “Source IP Address”, “Destination IP Address”, “Subnet Mask” and “Port Number” in the corresponding field. Step 4: Select the Protocol as “TCP” and select the Unmatched rule as “Next”. Step 5: Finally, click the SAVE to save the entry. Step 6: Go to Step 2 to configure the next two rules: Block E-mail received by the IP address 192.168.1.
TD-8840T ADSL2+ Modem Router User Guide 4.5.2.2. MAC Filter Select IP/Mac Filter as the Filter type, and select MAC as the Rule type (shown in Figure 4-29), then you can configure the filter rules based on MAC address. Figure 4-29 ¾ Rule Type: Select MAC for the MAC Filter rule. ¾ Active: Select “Yes” to make the rule to take effect. ¾ MAC Address: Enter the MAC address for the rule.
TD-8840T ADSL2+ Modem Router User Guide Select the “MAC” as the Rule Type on the Filter screen (show in Figure 4-29). , Then you can configure the specific rule for the example. Step 2: Select the IP/MAC Filter Set Index and IP/MAC Filter Rule Index for the rule, then select the Interface “PVC0”, and select the Direction “Outgoing” for the first rule. ) Note: If you want to make the rule take effect, please select Yes to active the rule.
TD-8840T ADSL2+ Modem Router User Guide Figure 4-30 ¾ Filter Type Selection: Select the Application Filter for the next configuration. ¾ Application Filter: Activate or deactivate the function. ¾ ICQ & MSN & YMSG & Real Audio/Video: Select Allow or Deny for these applications. If you select Allow, the Router will accept the application; if you select Deny, the Router will forbid the application. 4.5.2.4.
TD-8840T ADSL2+ Modem Router User Guide Figure 4-31 ¾ Filter Type Selection: Select the URL Filter for the next configuration. ¾ Active: Select “Yes” to make the rule to take effect. ¾ URL Index: Select the index for the URL Filter entry. ¾ URL: Enter the URL for this URL Filter. ¾ URL Filter Listing: This displays the information about the URL Filter rules. To add a URL filter entry: For example: If you want to forbid the user to access the website: www.yahoo.com. Presume its index is “1”.
TD-8840T ADSL2+ Modem Router User Guide 4.5.3 SNMP Choose “Access Management→SNMP”, you can see the SNMP screen. The Simple Network Management Protocol (SNMP) is used for exchanging information between network devices. Figure 4-32 ¾ Get Community: Set the password for the incoming Get and Get next requests from the management station. ¾ Set Community: Set the password for incoming Set requests from the management station. 4.5.
TD-8840T ADSL2+ Modem Router User Guide 4.5.5 DDNS Choose “Access Management→DDNS”, you can configure the DDNS function in the screen (shown in Figure 4-34). The router offers a Dynamic Domain Name System (DDNS) feature. The feature lets you use a static host name with a dynamic IP address. User should type the host name, user name and password assigned to your ADSL Router by your Dynamic DNS provider. User also can decide to turn on DYNDNS Wildcard or not.
TD-8840T ADSL2+ Modem Router User Guide Figure 4-35 ¾ CWMP: Select activate the CWMP function. ¾ URL: Enter the website of ACS which is provided by your ISP. ¾ User Name/Password: Enter the User Name and password to login the ACS server. ¾ Path: Enter the path that connects to the ACS server. ¾ Port: Enter the port that connects to the ACS server. ¾ User Name/Password: Enter the User Name and Password that provided the ACS server to login the router.
TD-8840T ADSL2+ Modem Router User Guide Figure 4-37 ) Note: 1) There is only one account that can access Web-Management interface. The default account is "admin", and the password is "admin". Admin has read/write access privilege. 2) When you change the password, you should enter the new password twice, and then click SAVE to make the new password take effect. 4.6.2 Time Zone Choose “Maintenance→Time Zone”, you can configure the system time in the screen (shown in Figure 4-37).
TD-8840T ADSL2+ Modem Router User Guide ) Note: The ADSL Router built-in some NTP Servers, when the Router connects to the Internet, the Router will get the system time automatically from the NTP Server. You can also configure the NTP Server address manually, and then the Router will get the time from the specific Server firstly. 2. PC’s Clock Select PC’s Clock as the Synchronize time, you don’t need to set any items. Figure 4-39 3.
TD-8840T ADSL2+ Modem Router User Guide drive of the computer. Click Browse to find the local hard drive and locate the firmware or romfile to be used for upgrade. Figure 4-41 To upgrade the router's firmware, follow these instructions below: Step 1: Download a more recent firmware upgrade file from the TP-LINK website (www.tp-link.com). Step 2: Type the path and file name of the update file into the “New Firmware Location” field. Or click the Browse button to locate the update file.
TD-8840T ADSL2+ Modem Router User Guide Figure 4-42 Step 2: Save the file as the appointed file (shown in Figure 4-43). Figure 4-43 To restore the Router’s settings: Step 1: Click the Browse button to locate the update file for the device, or enter the exact path in “New Romfile Location” field. Step 2: Click the UPGRADE button to complete. 4.6.
TD-8840T ADSL2+ Modem Router User Guide Figure 4-44 4.6.5 Diagnostic Choose “Maintenance→Diagnostic”, you can view the test results for the connectivity of the physical layer and protocol layer for both LAN and WAN sides in the screen (shown in Figure 4-45). Figure 4-45 4.7 Help Choose “Help”, you can view the help information for configuration of any function.
TD-8840T ADSL2+ Modem Router User Guide Figure 4-46 ) Note: Click the tab, and you will be able to get the corresponding information.
TD-8840T ADSL2+ Modem Router User Guide Appendix A: Specification General Standards and Protocols ANSI T1.413, ITU G.992.1, ITU G.992.2, ITU G.992.3, ITU G.992.5, IEEE 802.3, IEEE 802.3u, TCP/IP, PPPoA , PPPoE, SNTP, HTTP, DHCP, ICMP, NAT,CWMP,SNMP Safety & Emission FCC、CE Ports 4 10/100M Auto-Negotiation RJ45 ports（Auto MDI/MDIX) 1 RJ11 port LEDs Power, ADSL, Internet, 1-4 (LAN) Network Medium 10Base-T: UTP category 3, 4, 5 cable 100Base-TX: UTP category-5 Max line length: 6.
