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TP-Link TD-8840T - page 1
TD-8840T ADSL2+ Modem Router 1910010648 Rev: 4.0.0 ...
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TP-Link TD-8840T - page 2
COPYRIGHT & TRADEMARKS Specifications are subjec t to change without notice. is a registered trademark of TP-LINK TECHNOLOGIES CO., L TD. Other brands and product names are trademarks or registered trademarks of t heir respective holders. No part of the specific ations may be reproduced in any form or by any means or used to m ake any derivativ ...
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TP-Link TD-8840T - page 3
FCC STATEMENT This equipment has been tested and found to comply wi th 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 gen erates, uses and can radiate radio frequency energy and, if no ...
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TP-Link TD-8840T - page 4
TP-LINK TECHNOLOGIES CO., L TD TP-LINK TECHNOLOGIES CO., L TD Building 24 (floors 1, 3, 4, 5), and 28 (floors 1-4) Central Science and Technology Park, Shennan Rd, Nanshan, Shenzhen, China DECLARA TION OF CONFORMITY For the following equipment: Product Description: ADSL2+ Modem Router Model No.: TD-8840T T rademark: TP-LINK We declare under our own ...
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TP-Link TD-8840T - page 5
CONTENTS Package Cont ents .................................................................................................... 1 Chapter 1. Product Over view ................................................................................... 2 1.1 Overview of the Modem Router ........................................................................ ...
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TP-Link TD-8840T - page 6
4.6.3 RIP Se ttings ................................................................................................................... .... 35 4.7 Forwarding .................................................................................................................... 3 6 4.7.1 Virtual Se rvers................................................ ...
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TP-Link TD-8840T - page 7
TD-8840T ADSL2+ Modem Router User Guide 1 Package Content s The following contents should be found in your package: ¾ One TD-8840T ADSL2+ Modem Router ¾ One Power Adapter for TD-8840T ADSL2+ Modem Router ¾ Quick Installation Guide ¾ One RJ45 cable ¾ Two RJ11 cables ¾ One ADSL splitter ¾ One Resource CD for TD-8840T ADSL2+ Modem Router, inclu ...
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TP-Link TD-8840T - page 8
TD-8840T ADSL2+ Modem Router User Guide 2 Chapter 1. Product Overview Thank you for choosing the TD-8840T ADSL2+ Modem Router . 1.1 Overview of the Modem Router The device is designed to provide a simple and cost-effective ADSL Internet connection for a private Ethernet network. The TD-8840T ADSL2+ Modem R outer connects to an Ethernet LAN or compu ...
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TP-Link TD-8840T - page 9
TD-8840T ADSL2+ Modem Router User Guide 3 1.2 Main Features ¾ 4 10/100M RJ45 LAN ports (A uto MDI/MDIX), 1 RJ11 port. ¾ Downstream data rates up to 24Mbps, upstream data rates up to 3.5Mbps （ With Annex M enabled ） . ¾ Supports long transfers, the max line length can reach to 6.5Km. ¾ Supports remote configurati on and management through SN ...
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TP-Link TD-8840T - page 10
TD-8840T ADSL2+ Modem Router User Guide 4 1.3 Panel Layout 1.3.1 The Front Panel Figure 1-1 The Router’s LEDs are located on the front panel (V iew from left to right). They indicate the device’s working status. For details, please refer to LED Explanation. LED Explanation: Name Status Indication On Power is on. Power Off Power is off. On The A ...
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TP-Link TD-8840T - page 11
TD-8840T ADSL2+ Modem Router User Guide 5 ¾ POWER: The Power socket is where the power adapter connects to. ¾ ON/OFF: The switch for the power. ¾ RESET: There are two ways to reset t he 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 ...
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TP-Link TD-8840T - page 12
TD-8840T ADSL2+ Modem Router User Guide 6 Chapter 2. Connecting the Modem Router 2.1 Inst allation Environment ¾ The Product should not be locat ed where it will be exposed to moisture or excessive heat. ¾ Place the Ro uter in a location where it can be c onnected to the vario us devices as well as to a power source. ¾ Make sure the cables and p ...
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TP-Link TD-8840T - page 13
TD-8840T ADSL2+ Modem Router User Guide 7 2.2 Connecting the Modem Router Before installing the device, please make sure y our broadband service provided by your ISP is available. If there is any problem, please contact your ISP. Before cabl e connection, cut off the power supply and keep your hands dr y. You can follow the steps below to install i ...
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TP-Link TD-8840T - page 14
TD-8840T ADSL2+ Modem Router User Guide 8 Chapter 3. Quick Inst allation 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 t he Modem Router, you need to confi gur e your PC’s IP address. Follow the steps below to configure it. Step 1: Click the Start ...
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TP-Link TD-8840T - page 15
TD-8840T ADSL2+ Modem Router User Guide 9 Figure 3-2 Step 3: Select General tab, highlight Internet Protocol (TCP/IP) , and then click the Properties button. Figure 3-3 ...
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TP-Link TD-8840T - page 16
TD-8840T ADSL2+ Modem Router User Guide 10 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 addre ss automatically” in the screen above. Now, you can run the Ping comm ...
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TP-Link TD-8840T - page 17
TD-8840T ADSL2+ Modem Router User Guide 11 If the result displayed is similar to the screen shown belo w, it means t hat your PC has not connected to the Modem Router. Figure 3-6 You can check it follo wing the steps below: 1) Is the connection between your PC and the Modem Router correct? The LEDs of LAN port which you link to the device and the L ...
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TP-Link TD-8840T - page 18
TD-8840T ADSL2+ Modem Router User Guide 12 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-br owser has been set to a proxy. Go to Tools menu → Internet Options → Connections → LAN S ...
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TP-Link TD-8840T - page 19
TD-8840T ADSL2+ Modem Router User Guide 13 Figure 3-9 3. 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. Click Next . Figure 3-10 4. Here we select PPPoE WAN Link Type for example, enter the U ...
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TP-Link TD-8840T - page 20
TD-8840T ADSL2+ Modem Router User Guide 14 Figure 3-11 5. On this page, please conf irm all parameters. Click Previous to modify or click the Save button to make the configuration take effect. Figure 3-12 6. You will see the Complete screen below, click Finish to complete these settings. Figure 3-13 ...
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TP-Link TD-8840T - page 21
TD-8840T ADSL2+ Modem Router User Guide 15 Chapter 4. Configuring the Modem Router This chapter will show each Web page's key function and the c onfiguration way. 4.1 Login After your successful login, you will see the fift een main menus on the left of the Web-based utility. On the right, there are the corres ponding explanations and instruct ...
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TP-Link TD-8840T - page 22
TD-8840T ADSL2+ Modem Router User Guide 16 Figure 4-1 4.3 Quick Setup Please refer to Section 3.2 Login . 4.4 Network Choose “ Netw ork ”, there are many submenus under the main menu. Click any one of them, and you will be able to configur e the corresponding function. ...
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TP-Link TD-8840T - page 23
TD-8840T ADSL2+ Modem Router User Guide 17 4.4.1 WAN Settings Choose “ Netw ork ” Æ “ WAN Settings ”, and you will see the WAN Port Information Table in the screen similar to Figure 4-2 , which describes the WAN port setti ngs and the relevant manipulation to each interface. There are five different configurations for t he connection types ...
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TP-Link TD-8840T - page 24
TD-8840T ADSL2+ Modem Router User Guide 18 Figure 4-3 4.4.1.1 Static IP Select this option if your ISP prov ides static IP information to you. You should set static IP address, IP subnet mask, and gateway address in the screen below. ...
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TP-Link TD-8840T - page 25
TD-8840T ADSL2+ Modem Router User Guide 19 Figure 4-4 ATM Configuration: ¾ 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. ¾ VCI (1~65535): Identifies the virtual channel endpoints in an ATM network. The valid range is from 1 to 65535 (1 t ...
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TP-Link TD-8840T - page 26
TD-8840T ADSL2+ Modem Router User Guide 20 ¾ Default Gatewa y: select a WAN Interface from the drop-down list as the IPv4 default gateway. ¾ 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 re commended that you change the default value unless required by ...
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TP-Link TD-8840T - page 27
TD-8840T ADSL2+ Modem Router User Guide 21 Figure 4-5 Click Advanced , advanced selections for WAN Service Setup can be shown. ¾ 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 re commended that you change the default value unless required by your ISP. ¾ ...
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TP-Link TD-8840T - page 28
TD-8840T ADSL2+ Modem Router User Guide 22 ¾ Primary DNS Server/ Secondary DNS Server: Choose “Set DNS Server manually”, you can set DNS Server (at least one) manually here. T he Route will use this DNS Server for priority. Click the Save button to save the settings. 4.4.1.3 PPPoE If your ISP provides a PPPoE connection and you need to use an ...
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TP-Link TD-8840T - page 29
TD-8840T ADSL2+ Modem Router User Guide 23 ¾ 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 d ...
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TP-Link TD-8840T - page 30
TD-8840T ADSL2+ Modem Router User Guide 24 4.4.1.5 IPoA If your ISP provides an IPoA connection, select IPoA option for the WAN service t ype on the screen. Figure 4-8 ¾ IP Address/Subnet Mask: Enter the IP Address and Subnet Mask provided by ISP. If you forget, you can ask your ISP. ¾ DNS Server/Secondary DNS Server: Type in your preferred DNS s ...
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TP-Link TD-8840T - page 31
TD-8840T ADSL2+ Modem Router User Guide 25 Figure 4-9 ) Note: After you finish the Internet configuration, please click Save to m ake the settings take e ffe ct. 4.4.2 Interface Grouping Choose “ Network ” Æ “ Interface Grouping ”, you can view all the current groups on this page (shown in Figure 4-10 ). Figure 4-10 ¾ VLAN: Enable or disa ...
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TP-Link TD-8840T - page 32
TD-8840T ADSL2+ Modem Router User Guide 26 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. Click the Add button. You can add a new interface ...
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TP-Link TD-8840T - page 33
TD-8840T ADSL2+ Modem Router User Guide 27 ¾ 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 A ddress, then you can access to the Web-based Utility via the IP Addre ss, the default val ue is 192.168.1.1. • Subnet Mask: Enter the Modem Router’s ...
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TP-Link TD-8840T - page 34
TD-8840T ADSL2+ Modem Router User Guide 28 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 ” Æ “ ALG Settings ”, and then you can configure the basic security in the screen as shown in Figure 4-14 . F ...
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TP-Link TD-8840T - page 35
TD-8840T ADSL2+ Modem Router User Guide 29 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 Enable . Click the Save button to save your settings. 4.4.6 DSL Sett ...
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TP-Link TD-8840T - page 36
TD-8840T ADSL2+ Modem Router User Guide 30 Figure 4-16 ¾ 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 smaller than 192.168 ...
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TP-Link TD-8840T - page 37
TD-8840T ADSL2+ Modem Router User Guide 31 ) Note: 1) To use the DHCP server func tion of the Modem Router, you mu st configure all computers on the LAN as "Obtain an IP Address automatically". 2) Y ou have to disable NA T of the WAN connections, or the DHCP Relay may not ta ke effect. 3) If you select Disabled , the DHCP function will no ...
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TP-Link TD-8840T - page 38
TD-8840T ADSL2+ Modem Router User Guide 32 Figure 4-18 ¾ MAC Address: The MAC address of the PC for which you want to reserve an IP address. ¾ IP Address: The IP address reserved for the PC by the Modem Router. ¾ Status: The status of this entry either Enabled or Disabled . To Reserve an IP address: 1. Click the Add New button. Then Figure 4-19 ...
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TP-Link TD-8840T - page 39
TD-8840T ADSL2+ Modem Router User Guide 33 Figure 4-20 To add a vendor class: 1. Click the Add New button. Then Figure 4-21 will pop up. 2. Enter parameters for the vendor class. Click the Save button. Figure 4-21 To modify or delete an existing entry: 4. Click the Edit in the entry you want to modify. If you want to delete the entry, click the Del ...
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TP-Link TD-8840T - page 40
TD-8840T ADSL2+ Modem Router User Guide 34 4.6.1 Default Gateway Choose “ Route Settings ” Æ “ Default Gatewa y ”, 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. Click the Save button to sav ...
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TP-Link TD-8840T - page 41
TD-8840T ADSL2+ Modem Router User Guide 35 Figure 4-24 2. Enter the following data: ¾ Destination IP Address: The Destination IP Addr ess is the address of the network or host that you want to assign to a static route. ¾ Subnet Mask: The Subnet Mask determines which portion of an IP Address is the network portion, and which portion is the host po ...
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TP-Link TD-8840T - page 42
TD-8840T ADSL2+ Modem Router User Guide 36 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 corre sponding function. 4.7.1 Virtual Servers Choose menu “ Forwarding ” → “ Virtual Servers ”, and then you can view and ...
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TP-Link TD-8840T - page 43
TD-8840T ADSL2+ Modem Router User Guide 37 5. Select the protocol used for this application in the Protocol drop -down list, either TCP , UDP , or All . 6. Select the Enabled option in the Stat us 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 ser ...
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TP-Link TD-8840T - page 44
TD-8840T ADSL2+ Modem Router User Guide 38 Figure 4-28 To add a new rule, follow the steps below. 1. Click the Add New button, the next screen will pop-up as shown in Figure 4-29 . 2. Select a co mmon application from the Common Service Port drop-down list, then the Trigger Port field and the Open Ports field will be automatically filled. If the Co ...
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TP-Link TD-8840T - page 45
TD-8840T ADSL2+ Modem Router User Guide 39 ¾ Open Protocol : The protocol used for Incoming Port , either TCP , UDP , or ALL (all protocols supported by the Modem Router). ¾ Status : The status of this entry, Enabled means the Port Triggering entry is enabled. ¾ Modify : To modify or delete an existing entry. ¾ Common Service Port : Some popula ...
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TP-Link TD-8840T - page 46
TD-8840T ADSL2+ Modem Router User Guide 40 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. 3. Click the Save button. 4.7.4 UPnP Choose menu “ Forwarding → UPnP ”, and then you can view the information about UPnP in ...
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TP-Link TD-8840T - page 47
TD-8840T ADSL2+ Modem Router User Guide 41 Figure 4-32 ¾ Enable Parental Control: Check the box if you want this func tion to take effect. This function is disabled by default. ¾ 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. ¾ MAC Address of Current ...
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TP-Link TD-8840T - page 48
TD-8840T ADSL2+ Modem Router User Guide 42 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 ” → “ Rule ”, and then you can view and set the rules in the screen as ...
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TP-Link TD-8840T - page 49
TD-8840T ADSL2+ Modem Router User Guide 43 ¾ Delete Selected: Click the Delete Selected button to delete the selected entries in the table. The methods to add a new rule: 1. Click the Add New button and the next screen will pop up as shown in Figure 4-34 . 2. Give a name (e.g. Rule_1) for the rule in the Description field. 3. Select a host from th ...
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TP-Link TD-8840T - page 50
TD-8840T ADSL2+ Modem Router User Guide 44 To add a new entry, please follow the steps below. 1. Click the Add New button. 2. In the Mode field, select IP Address or MAC Address. z If you select IP Address, please follow the steps below: 1) In Description field, create a unique description for the host (e.g. Host_1). 2) In IP Address field, enter t ...
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TP-Link TD-8840T - page 51
TD-8840T ADSL2+ Modem Router User Guide 45 If you select MAC Address , the screen shown is Figure 4-38 . Figure 4-38 1) In Description field, create a unique description for the host (e.g. Host_1). 2) In MAC Address field, enter the MAC address. If you select URL Address , the screen shown is Figure 4-39 . Figure 4-39 1) In Description field, creat ...
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TP-Link TD-8840T - page 52
TD-8840T ADSL2+ Modem Router User Guide 46 To add a new schedule, follo w the steps belo w : 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). 3. In Apply To field, select the day or days you need. 4. In time field, you can selec ...
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TP-Link TD-8840T - page 53
TD-8840T ADSL2+ Modem Router User Guide 47 Figure 4-42 ¾ 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. ) Note: Dos Protection will take effect only when the Traffic Statistics in “ System Tool → Traf ...
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TP-Link TD-8840T - page 54
TD-8840T ADSL2+ Modem Router User Guide 48 4.10 Bandwid th Control Choose menu “ Bandwidth Control ”, and then you can configure the Upstream Bandwidth and Downstream Bandwidth in the next screen. T he values you configur e should be less than 100000Kbps. For optimal control of the bandwidth, please select t he right Line Type and ask your ISP ...
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TP-Link TD-8840T - page 55
TD-8840T ADSL2+ Modem Router User Guide 49 Figure 4-44 3. 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 corre s ponding function. The detailed explanations for eac h submenu are provided below. ...
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TP-Link TD-8840T - page 56
TD-8840T ADSL2+ Modem Router User Guide 50 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. Th is page is used for adding or modifying an IP & MAC Binding entry (shown in Figure 4-46 ). Figure 4-46 To add IP & MAC Binding entries, follow the ...
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TP-Link TD-8840T - page 57
TD-8840T ADSL2+ Modem Router User Guide 51 ¾ 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. 4.12 Dy namic DNS Choose menu “ Dynamic DNS ”, and you can configure t he Dynamic DNS function. The Modem Route ...
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TP-Link TD-8840T - page 58
TD-8840T ADSL2+ Modem Router User Guide 52 Figure 4-49 4.14 Sy stem T ools Choose menu “ System Tools ”, and you can see the s ubmenus under the main menu: System Log , Time Settings , Manage Control , CWMP Settings , SNMP Settings , Backup & Restore , Factory Defaults , Firm ware Upgrade , Reboot and Statistics. Click any of them, and you ...
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TP-Link TD-8840T - page 59
TD-8840T ADSL2+ Modem Router User Guide 53 Figure 4-50 ¾ Log Type: By selecting th e log type, only logs of this type will be shown. ¾ Log Level: By selecting the log level, only logs of this level will be shown. ¾ Refresh: Refresh the page to show the latest log list. ¾ Clear Log: All the logs will be deleted from the Modem Router permanently, ...
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TP-Link TD-8840T - page 60
TD-8840T ADSL2+ Modem Router User Guide 54 Figure 4-52 ¾ Time Zone: Select your local time zone from this pull down list. ¾ Date: Enter your local date in MM/DD/YY into the right blanks. ¾ Time: Enter your local time in HH/ MM/SS into th e right blanks. ¾ NTP Server 1 / NTP Server 2: Enter the address or domain of the NTP Server 1 or NTP Server ...
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TP-Link TD-8840T - page 61
TD-8840T ADSL2+ Modem Router User Guide 55 Figure 4-53 ¾ Current User Status: This box displays the information about User Type , User Name , Host IP Address and Host MAC Address . ¾ Account Management: Here you can set the account user information about Old Passw ord , New User Name , New Password and Confirm Passw ord . ¾ Service Configuration ...
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TP-Link TD-8840T - page 62
TD-8840T ADSL2+ Modem Router User Guide 56 Figure 4-54 ¾ CWMP: Select enable the CWMP function. ¾ Inform: Enable or disable the function. If enabl ed, the information will be informed to ACS server periodically. ¾ Inform Interval: Enter the interval time here. ¾ ACS URL: Enter the website of ACS whic h is provided by your ISP. ¾ ACS User Name/ ...
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TP-Link TD-8840T - page 63
TD-8840T ADSL2+ Modem Router User Guide 57 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 rout er contains SNMP "agent" software can be monitored and/or ...
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TP-Link TD-8840T - page 64
TD-8840T ADSL2+ Modem Router User Guide 58 Figure 4-57 Click the Restore button to reset all configuration settings to their default values. • The default User Name : admin • The default Password : admin • The default Subnet Mask : 255.255.255.0 ) Note: All changed settings will be lost when defaults are restored. 4.14.8 Firmware Upgrade Choo ...
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TP-Link TD-8840T - page 65
TD-8840T ADSL2+ Modem Router User Guide 59 There is no need to upgrade the firm ware unle ss the new firmware has a new featur e you want to use. However, when experiencing probl ems caused by the Modem Router rather than the configuration, you can try to upgrade the firmware. 2) When you upgrade the Modem R outer's firmware, you may lose its ...
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TP-Link TD-8840T - page 66
TD-8840T ADSL2+ Modem Router User Guide 60 Figure 4-60 ¾ Statistics Status: Enable or Disable. The default value is disabled. To enable it, click the Enable . If it is disabled, the func tion of DoS protection in Securi ty settings will be disabled. ¾ Statistics Interval (5-60): The default value is 10. Select a value between 5 and 60 seconds in ...
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TP-Link TD-8840T - page 67
TD-8840T ADSL2+ Modem Router User Guide 61 Appendix A: Specifications General Standards and Protocols ANSI T1.413, ITU G.992.1, ITU G. 992.2, ITU G.992.3, ITU G.992.5, IEEE 802.11b, IEEE 802.11g, I EEE 802.11n, IEEE 802.3, IEEE 802.3u, TCP/IP, PPPoA, PPPoE, SNTP, HTTP, DHCP, ICMP, NAT Safety & Emission FCC, CE Ports Four 10/100M Auto-Negotiatio ...
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TP-Link TD-8840T - page 68
TD-8840T ADSL2+ Modem Router User Guide 62 Appendix B: T roubleshooting T1. How do I restore my Modem Router’s configuration to its f actory default settings? With the Modem Router powered on, press and ho ld the RESET button on the rear panel for 8 to 10 seconds before releasing it. ) Note : Once the Modem Router is reset, the current configurat ...
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TP-Link TD-8840T - page 69
TD-8840T ADSL2+ Modem Router User Guide 63 Click Properties Right-click Local Area Connection Double-click Internet Protocol (TCP/IP) ...
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TP-Link TD-8840T - page 70
TD-8840T ADSL2+ Modem Router User Guide 64 Select Obtain DNS server address automatically Select Obtain an IP address automatically Click OK Click OK ...
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TP-Link TD-8840T - page 71
TD-8840T ADSL2+ Modem Router User Guide 65 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 ...
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TP-Link TD-8840T - page 72
TD-8840T ADSL2+ Modem Router User Guide 66 Double-click Internet Protocol Version 4 (TCP/IPv4) Select Obtain an IP address automatically Select Obtain DNS server address automatically Click OK ...
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TP-Link TD-8840T - page 73
TD-8840T ADSL2+ Modem Router User Guide 67 For Windows 7 OS Go to Start > Settings > Control Panel , and then you will see the following page. Click Change adapter settings Click Properties Right-click Local Area Connection Click View network status and tasks ...
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TP-Link TD-8840T - page 74
TD-8840T ADSL2+ Modem Router User Guide 68 Double-click Internet Protocol Version 4 (TCP/IPv4) Click OK Select Obtain DNS server address automatically Select Obtain an IP address automatically ...
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TP-Link TD-8840T - page 75
TD-8840T ADSL2+ Modem Router User Guide 69 2) Configure your IE browser Open your IE browser, click Tools tab and you will see the following screen. Click Internet Options Click OK Select Never dial a connection Now, try to log on to the Web- based configuration page again afte r the above settings have been configured. If you still cannot acce ss ...
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TP-Link TD-8840T - page 76
TD-8840T ADSL2+ Modem Router User Guide 70 3) Consult your ISP and make sure all the VPI/VCI, Connection Type, account username and password are correct. If there are any mistakes, please correct the settings and try again . 4) If you still cannot access the Internet, please restore your Modem Router to its factory default settings and reconfigure ...
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TP-Link TD-8840T - page 77
TD-8840T ADSL2+ Modem Router User Guide 71 Appendix C: T echnical Support Technical Support For more troubleshooting help, go to: www.tp-link.com/s upport/faq.asp T o download the latest Firmware, Driver , Utility and User Guide, go to: www.tp-link.com/s upport/download.asp For all other technical support , please contact us by using th ...
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