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.
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.
Package Contents The following items should be found in your package: One TD-8841 External ADSL2+ Router One AC power Adapter for TD-8841 External ADSL2+ Router One Resource CD for TD-8841 External ADSL2+ Router, including: This Guide Quick installation Guide Program...
The TD-8841 is a complete plug-and-play solution. With standard Ethernet interface, it can be directly connected to any 10M/100M Ethernet devices, support Auto-MDIX. The TD-8841 uses not only html (web mode through Ethernet port) but also external utility software to configure the Router. You can download it from our website (http://www.tp-link.com).
External ADSL2+ Router User Guide Chapter 2. Hardware Installation Guide The TD-8841 maintains six separate interfaces, including four Ethernet interfaces, one USB interface and one ADSL interface. The Router should not be located where it will be exposed to moisture or excessive heat. Place the Router where it can be safely connected to the various devices as well as to a power source.
The procedure to install the Router can be described in general terms in the following steps as shown in Figure 2-1: First Step: Connect the MODEM port of Splitter with the LINE port of the TD-8841 ADSL2+ Router by telephone line. While you need to use a telephone, please attach telephone line into the phone port of Splitter.
TD-8841 External ADSL2+ Router User Guide Chapter 3. System Configuration 3.1 Computer Configuration The default IP address of the ADSL2+ 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. As an example, we use the default values for description in this guide.
TD-8841 External ADSL2+ Router User Guide 3.2 Login Startup Internet Explorer, and enter 192.168.1.1; When ADSL2+ connection is OK, the following login box will pop up. Enter default user name (admin), password (admin); as shown in Figure 3-1. Figure 3-1 3.3 Quick Setup...
TD-8841 External ADSL2+ Router User Guide Figure 3-2 Please select Quick Setup. Enter the VPI and VCI values provided by your Internet Service Provider (ISP) and click Next. Figure 3-3 Select the relevant Connection Type and Encapsulation mode as the settings provided by your ISP and click Next 3.3.1 PPPoA...
Page 13
TD-8841 External ADSL2+ Router User Guide Figure 3-4 Enter the Username and Password provided by your ISP and click Next. Figure 3-5 Click Save/Reboot.
TD-8841 External ADSL2+ Router User Guide Figure 3-6 3.3.2 PPPoE Select PPP over Ethernet (PPPoE) Connection Type, and click Next. Figure 3-7 Enter the Username and Password provided by your Internet Service Provider and click Next.
TD-8841 External ADSL2+ Router User Guide Figure 3-8 Click Save/Reboot. Figure 3-9 Note: The Router will restart when you complete the configuration, so you have to wait for a while until it restarts successfully. 3.3.3 Select MAC Encapsulation Routing (MER) Connection Type, and click Next.
Page 16
TD-8841 External ADSL2+ Router User Guide Figure 3-10 Enter the parameters provided by your ISP, then click Next. Figure 3-11 Click Save/Reboot.
TD-8841 External ADSL2+ Router User Guide Figure 3-12 3.3.4 IPoA Select IP over ATM (IPoA) Connection Type, and click Next. Figure 3-13 Enter the parameters provided by your ISP, then click Next.
TD-8841 External ADSL2+ Router User Guide Figure 3-16 Click Save/Reboot. Figure 3-17 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.
TD-8841 External ADSL2+ Router User Guide Figure 3-18 Default value of user name and password is “admin”; if you want to change them, please go to “Management” “Access control” “Passwords” changing them. (Figure 3-19) Figure 3-19 3.5 Web Setup Choose “Advanced Setup” “WAN”, and you will enter the page of Wide Area Network (WAN)
Page 21
TD-8841 External ADSL2+ Router User Guide Figure 3-20 There are 4 PVC links in the WAN setup page. Choose the appropriate PVC according to your needs, and click the Edit button. Then you will enter the page of ATM PVC Configuration (See Figure 3-21).
Page 22
TD-8841 External ADSL2+ Router User Guide Figure 3-22 After choosing the proper protocol, enter the correct parameters supported by your ISP. Enable the configurations,and then you will go to the Internet. PPP over ATM (PPPoA) If you select the protocol of PPP over ATM (PPPoA) and click Next, you will see the Figure 3-23.
Page 23
TD-8841 External ADSL2+ Router User Guide configuration. Figure 3-24 Figure 3-25 PPP over Ethernet (PPPoE) If you select the protocol of PPP over Ethernet (PPPoE) and click Next, you will see the Figure 3-26. Enter the value of user name and password provided by your ISP. Select the other function...
Page 24
TD-8841 External ADSL2+ Router User Guide Figure 3-26 Then you will see the Figure 3-27. Turn on the selected functions according to your needs. Click the Next button to enter the next step as shown in Figure 3-28. Click Save to complete the configuration.
Page 25
TD-8841 External ADSL2+ Router User Guide Figure 3-28 MAC Encapsulation Routing (MER) If you select the protocol of MAC Encapsulation Routing (MER) and click Next, you will see the page as shown in Figure 3-29. Enter the parameters provided by your ISP, and then click the Next button.
Page 26
TD-8841 External ADSL2+ Router User Guide Figure 3-30 Figure 3-31 IP over ATM (IPoA) If you select the protocol of IP over ATM (IPoA) and click Next, you will see the Figure 3-32. Enter the parameters provided by your ISP, and then click the Next button.
Page 27
TD-8841 External ADSL2+ Router User Guide Figure 3-32 Then you will see the page (Figure 3-33). Turn on the selected functions according to your needs. Click the Next button to enter the next step as shown in Figure 3-34, and click Save to complete the configuration.
Page 28
TD-8841 External ADSL2+ Router User Guide Figure 3-34 Bridging If you select the Bridging protocol and click Next, you will see the Figure 3-35. Click the Next button, and you will see the Figure 3-36. Click Save to complete the configuration.
Page 29
TD-8841 External ADSL2+ Router User Guide Figure 3-36 Note: After completing the settings, the new settings must be saved and the Router must be restarted for the settings to go into effect. Please click the Save/Reboot button to restart, referring to the...
External ADSL2+ Router User Guide 3.6 Software Dial If TD-8841 CPE is working in bridged (RFC 1483 Bridged) mode when it is connecting to the Internet. You must to install dial software on your PC. There are some software working on WINDOWS in market, examples as EnterNet3000、RASPPPoE、WinPeET.
Page 31
TD-8841 External ADSL2+ Router User Guide Figure 3-38 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 3-39; click “Set up a connection anyway”...
TD-8841 External ADSL2+ Router User Guide Click Close to finish the setup. To connect to the Internet next time, click the Start button; click Connect to, and then click the connection you just created. 3.7 USB Configuration If you use the USB interface, first of all you must install the USB’s drive to the using computer.
Page 33
TD-8841 External ADSL2+ Router User Guide Figure 3-41 Select the “Search removable media (floppy, CD-ROM…)”, and click the Next button. You will see the Figure 3-42. The driver will be searched and installed. Note: You must insert the CD first.
Page 34
TD-8841 External ADSL2+ Router User Guide Figure 3-42 Then you will see the Figure 3-43. Click Finish to close the wizard. Please refer to chapter 3.1 to finish the IP configuration of USB network connection. Then you could use the USB device.
Page 35
TD-8841 External ADSL2+ Router User Guide (recommended)” to install driver software for your USB Network Interface. Figure 3-44 After that you will enter the next page as shown in Figure 3-45. Click “Don’t search online”. Figure 3-45 Then Figure 3-46 will be displayed. Click Next to search and install the driver from your CD.
Page 36
TD-8841 External ADSL2+ Router User Guide Note: You must insert the CD first. Figure 3-46 When Windows find the driver automatically, it will pop up Figure 3-47. Select “Install this driver anyway” to continue the installation. Figure 3-47 Wait for a second and you will see Figure 3-48 which indicates that the installation has been...
Page 37
TD-8841 External ADSL2+ Router User Guide Figure 3-48 You can see the following figure at the bottom of the screen. Figure 3-49 Note: If you want to cut off the USB device you must disconnect the network of USB first.
Configure the NAT function Configure the DNS parameters Configure RIP(Routing Information Protocol) Configure IP route Configure Security rule Configure DSL parameter Note: If you want to acquire further details, please access our website (www.tp-link.com) and consult the advantage user guide of TD-8841.
TD-8841 External ADSL2+ Router User Guide Appendix A: FAQ What related parameters are required to acquire ISP when you want to access the Internet by ADSL2+ Router? 1) Dial user: Connection protocol, User name, Password, Value of VPI/VCI, Encapsulation mode of AAL5 and so on.
TD-8841 External ADSL2+ Router User Guide Appendix C: Configuring the PCs In this section, we’ll introduce how to install and configure the TCP/IP correctly in Windows 2000/XP. First make sure your Ethernet Adapter is working, referring to the adapter’s manual if needed.
Page 42
TD-8841 External ADSL2+ Router User Guide Figure B-0-2 The following TCP/IP Properties window will display and the IP Address tab is open on this window by default. Now you have two ways to configure the TCP/IP protocol below: Setting IP address automatically...
Page 43
TD-8841 External ADSL2+ Router User Guide Figure B-0-3 Setting IP address manually Select Use the following IP address radio button. And the following items are available. If the Router's LAN IP address is 192.168.1.1, type IP address is 192.168.1.x (x is from 2 to 254), and Subnet mask is 255.255.255.0.
Page 44
TD-8841 External ADSL2+ Router User Guide Figure B-4 Please note: The configuration under Windows 98/Vista is a little different from that of Windows 2000/XP. Users of Windows 98 can open TCP/IP Properties according to the following: Right-click (Mouse) Network Neighbor Choose Properties Double-click TCP/IP PCI Fast Ethernet Adapter.
Need help?
Do you have a question about the TD-8841 and is the answer not in the manual?
Questions and answers