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TD-8841 
External ADSL Router 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
Rev: 1.0.2 
 
1910010026 
                                                                                                                                                                                                                                                                                                                                                                                                                      
                    
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                          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 © 2008 TP-LINK TECHNOLOGIES CO.,
                    
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                          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. However, there is no guarante
                    
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                          CONTENTS   Package Contents .................................................................................................... 1  Chapter 1. Product Overview............................................................................... 2  1.1 Product Main Specification........................................................................................ 2  1.2 Supporting Protocol................................................................................................... 2  1.3 Tran
                    
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                        TD-8841 External ADSL2+ Router User Guide   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   Other Helpful Information   USB driver   Quick installation Guide    One RJ45 cable   Two RJ11 cables   One ADSL splitter   One USB cable  Note:    Make sure that the package 
                    
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                        TD-8841 External ADSL2+ Router User Guide     Chapter 1. Product Overview  With the excellent circuit design and high quality production, we guarantee the ADSL2+ Router’s  high performance, great stability and easy to use.  In addition to the basic DMT physical layer functions, the ADSL2+ PHY supports dual latency  ADSL2+ framing (fast and interleaved) and the I.432 ATM Physical Layer.   The TD-8841 is a complete plug-and-play solution. With standard Ethernet interface, it can be  directly conne
                    
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                        TD-8841 External ADSL2+ Router User Guide    Supports RFC1483 (EoA)(Bridged *and Router)   Supports RFC1577 (IPoA)  Note:   “*” Needs the third-party software.  1.3 Transmit Data-rate   Max download data-rate: 24Mbps   Max upload data-rate: 3.5Mbps   Max line length: 6Km  1.4 ATM Property   AAL0, AAL5, OAM, RM, and raw cell types supported   Direct hardware support for 4 Receive VCs, with additional RX VCs and TX VCs supported in  software   Full 24-bit Virtual Path Identifier (VPI) and Virtual 
                    
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                        TD-8841 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 in a location where it can be safely connected to the  various devices as well as to a power source.  2.1 System requirement  Confirm your computer has been installed with networkin
                    
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                        TD-8841 External ADSL2+ Router User Guide    Power (9V AC/0.8A input): please do not use any unknown power adaptor; otherwise your  ADSL2+ Router may be damaged.   RESET (reset default): First press the reset button of Router, then turn on the Router’s  power for at least three seconds. It will resume the default manufacturer’s setup.    LAN: Connect with your computer’s NIC.     USB: Connect with your computer’s USB interface   LINE (WAN): Connect to the MODEM Port of Splitter or Connect to the
                    
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                        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.  1. Connect the cable according to Chapter 2, turn on the power.  2. Connect the local PCs to the ADSL2+ Router’s LAN port. There are then tw
                    
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                        TD-8841 External ADSL2+ Router User Guide     3.2 Login  Startup Internet Explorer, and enter 192.168.1.1;then enter default user name (admin) 、password  (admin), When ADSL2+ connection is OK, you will see the Figure 3-1.    Figure 3-1  You will then see the Figure 3-2. You will see some information such as link rate and so on.    7                                                                                                                                                                      
                    
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                        TD-8841 External ADSL2+ Router User Guide     Figure 3-2  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 3-3)     Figure 3-3  3.3 Web Setup  Choose “Advanced Setup”  ”WAN”, you will enter the page of Wide Area Network (WAN) Setup,  you will see the Figure 3-4.   8                                                                                                                          
                    
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                        TD-8841 External ADSL2+ Router User Guide     Figure 3-4  There are 7 PVC links in the WAN setup page, choose the fit PVC according to your needs, and  then click the edit button, you will enter the page of ATM PVC Configuration (See Figure 3-5).    Figure 3-5  Enter VPI/VCI value and service category which is provided by your ISP, click next to enter the  next step. You will see the Figure 3-6.     9                                                                                                
                    
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                        TD-8841 External ADSL2+ Router User Guide   Note:    The type of network protocol selected may be different in different areas, there are five types (Figure 3-7), So you should ask your ISP to acquire the local type of network protocol and  Encapsulation mode.    Figure 3-6  After choosing the proper protocol, enter the correct parameters supported by your ISP. Enable  the configurations,then you will go to Internet.   PPP over ATM (PPPoA)  If you select the protocol of PPP over ATM (PPPoA), you
                    
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                        TD-8841 External ADSL2+ Router User Guide     Figure 3-7  You will see the Figure 3-8. Then turn on the selected functions according to your demands.  Clicking the next button to enter the next step, you will see the Figure 3-9, finally click save to  complete the configuration.    Figure 3-8   11                                                                                                                                                                                                          
                    
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                        TD-8841 External ADSL2+ Router User Guide     Figure 3-9   PPP over Ethernet (PPPoE)  If you select the protocol of PPP over Ethernet (PPPoE), you will see the Figure 3-10, enter the  value of user name and password which is provided by your ISP, after selecting the other function  (often using the default setup), click the next button.    Figure 3-10  You will see the Figure 3-11. Then turn on the selected functions according to your needs.  Clicking the next button to enter the next step, you 
                    
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                        TD-8841 External ADSL2+ Router User Guide     Figure 3-11    Figure 3-12    MAC Encapsulation Routing (MER)  If you select the protocol of MAC Encapsulation Routing (MER), you will see the page (Figure  3-13) Enter the parameter and the way which is provided by your ISP, then click the next button.   13                                                                                                                                                                                                    
                    
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                        TD-8841 External ADSL2+ Router User Guide     Figure 3-13  You will see the Figure 3-14. Then turn on the selected functions according to your needs.  Clicking the next button to enter the next step, you will see the Figure 3-15, finally click save to  complete the configuration.    Figure 3-14   14                                                                                                                                                                                                        
                    
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                        TD-8841 External ADSL2+ Router User Guide     Figure 3-15   IP over ATM (IPoA)  If you select the protocol of IP over ATM (IPoA), you will see the Figure 3-16, enter the parameter  and the way which is provided by your ISP, then click the next button.    Figure 3-16  You will see the page (Figure 3-17), then turn on the selected functions according to your needs.  Clicking the next button to enter the next step, you will see the Figure 3-18, finally click save to  complete the configuration.   1
                    
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                        TD-8841 External ADSL2+ Router User Guide     Figure 3-17    Figure 3-18    Bridging  If you select the Bridging protocol, you just open the bridge service function options, you will see  the Figure 3-19, then click the next button, you will see the Figure 3-20, finally press save to  complete the configuration.   16