DSL-2740E User Manual v1.
Federal Communication Commission Interference Statement This device complies with Part 15 of the FCC Rules. Operation is subject to the following two conditions: (1) This device may not cause harmful interference, and (2) this device must accept any interference received, including interference that may cause undesired operation. 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.
A compliant telephone cord and modular plug is provided with this product. It is designed to be connected to a compatible modular jack that is also compliant. See installation instructions for details. The REN is used to determine the number of devices that may be connected to a telephone line. Excessive RENs on a telephone line may result in the devices not ringing in response to an incoming call. In most but not all areas, the sum of RENs should not exceed five (5.0).
Contents SAFETY PRECAUTION ...................................................................................................... 1 INTRODUCTION ................................................................................................................. 1 SYSTEM REQUIREMENTS ................................................................................................ 2 FEATURES .........................................................................................................................
Section 1 – Product Overview Safety Precaution Follow the following instructions to prevent the device from risks and damage Use the power adapter in the package. An overburden power outlet or damaged lines and plugs may cause electric shock or fire accident. Check the power cords regularly. If you find any damage, replace it at once. Proper space left for heat dissipation is necessary to avoid overheating. The holes on the device are designed for heat dissipation to ensure running normally.
Section 1 – Product Overview System Requirements Network Requirement Clients to be connected Web-based Configuration Utility Requirement Available DSL uplink access Devices installed a wireless network adapter or 10 base T/100BaseT Ethernet adapter. Computer with the following: Windows® , Macintosh, or Linux-based operating system An installed Ethernet adapter Browser Requirements: Microsoft Internet Explorer® v7, Mozilla® Firefox v9.0, Google® Chrome 16.0, or Safari® v4 or higher version.
Section 1 – Product Overview 1 Features The device supports the following features: Various line modes External PPPoE dial-up access Internal PPPoE/PPPoA dial-up access 1483Bridged/1483Routed with dynamic IP or static IP Multiple PVCs (the number of PVCs support is eight) DHCP server/relay Static route Network Address Translation(NAT) DMZ Virtual Server Universal plug and play (UPnP) Dynamic Domain Name Server(DDNS) Network Time Protocol(NTP) Firmware upgrading through Web, TFTP
Section 2 – Installation Installation This section will guide you through the installation process. Placement of the Router is very important. Do not place the Router in an enclosed area such as a closet, cabinet or in the attic or garage. Before You Begin Please read and make sure you understand all the prerequisites for proper installation of your new Router. Have all the necessary information and equipment on hand before beginning the installation.
Section 2 – Installation Web Browser Any common web browser can be used to configure the Router using the web configuration management software. The program is designed to work best with more recently released browsers such as Opera, Microsoft Internet Explorer® version 6.0, Netscape Navigator® version 6.2.3, or later versions. The web browser must have JavaScript enabled. JavaScript is enabled by default on many browsers.
Section 2 – Installation Information you will need from your ADSL service provider Username This is the Username used to log on to your ADSL service provider’s network. Your ADSL service provider uses this to identify your account. Password This is the Password used, in conjunction with the Username above, to log on to your ADSL service provider’s network. This is used to verify the identity of your account.
Section 2 – Installation Information you will need about your DSL-2740E Router Username This is the Username needed to access the Router’s management interface. When you attempt to connect to the device through a web browser you will be prompted to enter this Username. The default Username for the Router is “admin.” Password This is the Password you will be prompted to enter when you access the Router’s management interface. The default Password is “admin.” The user may change this.
Section 2 – Installation Information you will need about your LAN or computer Ethernet NIC If your computer has an Ethernet NIC, you can connect the DSL-2740E to the Ethernet port using an Ethernet cable. DHCP Client status Your DSL-2740E ADSL Router is configured, by default, to be a DHCP server. This means that it can assign an IP address, subnet mask and a default gateway address to computers on your LAN. The default range of IP addresses the DSL-2740E will assign are from 192.168.1.2 to 192.168.1.254.
Section 3 – Web Configuration Hardware Description and Installation LED Indicators Note: The figures in this document are for reference only. Figure 1 Front panel The following table describes the LEDs of the device. LED Color Status Description Green On The initialization of the system is complete. On The device is powered on. Red Power Blinking The firmware is upgrading. Off The Ethernet interface is not properly connected.
Section 3 – Web Configuration LED Color Green Internet Red Status Off On Blinking On Description The device is under the Bridge mode or powered off. A connection is set up and no traffic is detected. Data is being transmitted over Internet. The device is attempted to become IP connected, but failed. Figure 2 Rear panel The following table describes the interfaces of the device.
Section 3 – Web Configuration Best Location for Wireless Operation Many environmental factors may affect the effective wireless function of the DSL Router. If this is the first time that you set up a wireless network device, read the following information: The access point can be placed on a shelf or desktop, ideally you should be able to see the LED indicators in the front, as you may need to view them for troubleshooting.
Section 3 – Web Configuration Step 1 Connect the DSL port of the router and the Modem port of the splitter through a telephone cable; connect the phone to the phone port of the splitter through a telephone cable; and connect the Line port of the splitter to the uplink telephone jack on the wall.
Section 3 – Web Configuration TCP/IP Configuration On A PC Each network interface on the PC should either be configured with a statically defined IP address and DNS address, or be instructed to automatically obtain an IP address using the network DHCP server. DSL router provides a DHCP server on its LAN and it is recommended to configure your LAN to automatically obtain its IP address and DNS server IP address.
Section 3 – Web Configuration Web Configuration This chapter describes how to use Web-based management of the DSL router, which allows you to configure and control all of DSL router features and system parameters in a user-friendly GUI. Logging in and Wizard The following description is a detail “How-To” user guide and is prepared for first time users. Step 1 Open the Internet Explorer (IE) browser, and then go to http://192.168.1.1. Step 2 The Login window will pop up. Enter the username and password.
Section 3 – Web Configuration Step 4 In the next page shown on the right, there are 5 steps to configure the device. Click Next to continue. Step 5 Set a new login password. If you want to keep the previous password, click Skip to go to next page directly. After setting a new password, click Next. Note: The login password cannot contain a space. Step 6 Set the time and date manually or setup a correct NTP server, and then click Next.
Section 3 – Web Configuration Step 7 Configure the Internet connection. Please select correct country, ISP and service mode. If PPPoE is select, please enter the PPPoE sername and Password provided by your ISP. Click Next to go to the next page. Note: Different protocol requires entering different information. You can fill in the entries according to what your ISP provides you. Step 8 Configure the wireless network in this page. 1) Check Enable Your Wireless Network.
Section 3 – Web Configuration 3) 4) 5) Set the security level. The default security level of wireless network is None. Choose an encryption mode for the wireless network. It is recommended to choose WPA2-PSK. Enter a new password in WPA2 Pre-Shared Key. Click Next to go to the next page. Step 9 View the setup summary. Click Apply to take the setup into effect. Click Back to modify the setup. Click Cancel to cancel the whole setup.
Section 4 - Troubleshooting Setup LAN Interface Settings Choose SETUP > Local Network. The Local Network page shown in the right figure appears. To configure the local network of DSL-2740E, do as follow: Step 1 In the Router IP Address textbox, enter the IP address of LAN interface. The default IP address is 192.168.1.1. The Router IP address is the URL address for logging in the Web configuration page. Step 2 Enter the subnet mask of LAN interface. If the Router IP address is 192.168.1.
Section 4 – Troubleshooting DHCP server The DHCP Server shown in the right figure appears. It used to assign an IP address to clients connect to LAN of this CPE. It is suggest to keep it as default settings. Step 1 Step 2 Step 3 Configure DHCP Server. - Enable DHCP Relay: Enable the message to transmit between clients in different network segment. - Enable DHCP Server: Enable the router to assign IP addresses, IP default gateway and DNS Servers to the host.
Section 4 – Troubleshooting LAN IPv6 Interface Choose SETUP > LAN IPv6. The page shown in the right figure appears. This page allows you to configure IPv6 LAN. The following table describes the parameters of this page. Field Description The address through which PCs access the Global Address gateway. Choose to enable or disable RA (Router RA settings Advertisement and related parameters. Configure DHCPv6 server as auto mode or manual DHCPv6 Mode. mode. And configure the suffix pool for LAN side clients.
Section 4 – Troubleshooting Internet Setup Channel Configuration Choose SETUP > Internet Setup > Channel Config. The page is shown as the figure appears on the right. In this page, you can add or configure WAN interface of your router. Step 1 In the VPI and VCI textbox, enter the VPI and VCI value provided by your ISP. Note: To access the internet, at least one PVC is required to add.
Section 4 – Troubleshooting Adding a PVC in PPPoE or PPPoA mode If the protocol is selected to PPP over Ethernet (PPPoE) or PPP over ATM (PPPoA), the page shown as the right figure appears. 1) In Protocol drop-down list, select PPPoE (or PPPoA). 2) In Encapsulation Mode, select an option according to the information provided by your ISP. 3) Select IPv4 or IPv6 according to the information provided by ISP.
Section 4 – Troubleshooting 1) Adding a PVC in MAC Encapsulation Routing (MER) or IP Over ATM (IPoA) mode If the protocol is selected to MAC Encapsulation Routing (MER), the page shown as the right figure appears. 2) In Protocol drop-down list, select 1483 MER 3) In Encapsulation Mode drop-down list, select an option according to the information provided by your ISP. 4) Select IPv4 or IPv6 according to the information provided by ISP.
Section 4 – Troubleshooting ATM Choose SETUP > Internet Setup > ATM settings. The page shown in the right figure appears. In this page, it is recommended to keep it as defaults. The device negotiates the modulation mode with DSLAM. Click Apply to save the settings. ADSL Choose SETUP > Internet Setup > ADSL settings. The page shown in the right figure appears. This page is used to configure the parameters for the ATM of your ADSL Router. Here you may change the setting for VPI, VCI, QoS etc ...
Section 4 – Troubleshooting Wireless This section describes the configuration of 2.4G wireless network. Choose SETUP > Wireless. The page shown in the right figure appears. This section contains Wireless Basic and Wireless Security. Wireless Basic Choose SETUP > Wireless > Wireless Basic. The page shown as the right figure appears. In this page, you can configure the parameters of wireless LAN clients that may connect to the device. To configure this page, do as follow: Step 1 Select Enable Wireless.
Section 4 – Troubleshooting The default security mode is None. If the security mode is set to None, your wireless network can be connected by all wireless clients that can detect the SSID of this network. If the Security Mode is set to WPA(TKIP), WPA(AES), WPA2(TKIP), WPA(AES), or WPA2 Mixed,, the page is shown as the right figure appears. Take WPA2 Mixed as an example. Step 1 In Security Mode drop-down list, select WPA2 Mixed.
Section 4 - Troubleshooting Advanced This section includes advanced features for network management, security and administrative tools to manage the device. You can view status and other information used to examine performance and troubleshoot. Advanced Wireless Choose ADVANCED > Advanced Wireless > Wireless Advanced. The page shown in the right figure appears. If you’re not sure what you’re configuring, please leave it as default. Access Control Choose ADVANCED > Advanced Wireless > Access Control.
Section 4 – Troubleshooting WPS There are 3 methods to realize wireless connection through WPS. - PBC Click the Start PBC button in this page. And then click WPS button on the client to be connected within 2 minutes. The connection will be established. - Based on the PIN of wireless client to be connected. In Input Client PIN textbox, input the PIN code of the wireless client to be connected. And then click on Start PIN - Based on the PIN of DSL-2740E. 1) Select Enabled to enable WPS.
Section 4 – Troubleshooting Access Control List IPv6 You can specify what services are accessible form LAN or WAN parts. Entries in this ACL table are used to permit certain types of data packets from your local network or Internet network to the Gateway. Using of such access control can be helpful in securing or restricting the Gateway management. Select direction, LAN ACL Switch and click Apply to save the settings. In ACL settings, please enter the IP address range and check which service to configure.
Section 4 – Troubleshooting Port Trigger Choose ADVANCED > Port Trigger The page shown in the right figure appears. Some applications require that specific ports in the Router's firewall be opened for access by the remote parties. Port Trigger dynamically opens up the "Relate Port" in the firewall when an application on the LAN initiates a TCP/UDP connection to a remote party using the "Match Port".
Section 4 – Troubleshooting Parental Control This page provides two useful tools for restricting the Internet access. URL Block allows you to quickly create a list of all websites that you wish to stop users from accessing. MAC Filter allows you to control when clients or PCs connected to the device are allowed to access the Internet. Choose ADVANCED > Parental Control > URL Block. The URL Block page shown in the right figure appears. Step 1 Enter the key word of website in the Keyword field.
Section 4 – Troubleshooting Schedule Choose ADVANCED > Parental Control > Schedule. The page shown in the right figure appears. The schedule created here could be used for the URL blocking or MAC blocking. Filtering Options IP/Port Filtering Choose ADVANCED > Filtering Options > IP/Port Filtering. The page shown in the right figure appears. In this page, you may configure IP filtering function.
Section 4 – Troubleshooting IPv6/Port Filtering Choose ADVANCED > Filtering Options > IPv6/Port Filtering. The page shown in the right figure appears. In this page, you may configure IPv6 filtering function. specify the criteria: Rule Action, Protocol, Direction, Source IP/Mask, Des IP/Mask, Click Apply Changes to create a new rule. MAC Filtering Choose ADVANCED > Filtering Options > MAC Filtering. The page shown in the right figure appears. In this page, you may configure MAC Filtering function.
Section 4 – Troubleshooting DOS settings A denial-of-service (DoS) attack is characterized by an explicit attempt by attackers to prevent legitimate users of a service from using that service. Port scan protection is designed to block attempts to discover vulnerable ports or services that might be exploited in an attack from the WAN. Choose ADVANCED > DOS settings. The page shown in the right figure appears. In this page, you may configure IP firewall function.
Section 4 – Troubleshooting DNS Domain name system (DNS) is an Internet service that translates domain names into IP addresses. Because domain names are alphabetic, they are easier to remember. The Internet, however, is actually based on IP addresses. Each time you use a domain name, a DNS service must translate the name into the corresponding IP address. For example, the domain name www.example.com might be translated to 198.105.232.4. The DNS system is, in fact, its own network.
Section 4 – Troubleshooting Dynamic DNS The device supports dynamic domain name service (DDNS). The dynamic DNS service allows a dynamic public IP address to be associated with a static host name in any of the many domains, and allows access to a specified host from various locations on the Internet. Click a hyperlinked URL in the form of hostname.dyndns.org and allow remote access to a host.
Section 4 – Troubleshooting Network Tools Port Mapping Choose ADVANCED > Network Tools > Port Mapping. The page shown in the right figure appears. In this page, you can bind the WAN interface and the LAN interface to the same group. Click Add to add port mapping. The procedure for creating a mapping group is as follows: Step 1 Select the group to be configured.
Section 4 – Troubleshooting IP QoS Configuration Choose ADVANCED > Network Tool >QoS Configuration. The page shown in the right figure appears. The QoS Configuration contains 3 parts: IP QoS Configuration, QoS Rule list. IP QoS Configuration Choose ADVANCED > QoS Configuration > Configure QoS Global Options. The page shown in the right figure appears. You can tick in the checkbox and then click Submit to enable queuing operation. Click Add Rule. The following table describes the parameters of this page.
Section 4 – Troubleshooting UPNP Choose ADVANCED > Network Tools > UPnP. The page shown in the right figure appears. In this page, you can configure universal plug and play (UPnP). The system acts as a daemon after you enable UPnP. UPnP is used for popular audio visual software. It allows automatic discovery of your device in the network. If you are concerned about UPnP security, you can disable it. Block ICMP ping should be enabled so that the device does not respond to malicious Internet requests.
Section 4 – Troubleshooting TR-069 Choose ADVANCED > Network Tools > TR-069. The page shown in the right figure appears. In this page, In this page, you can configure the TR069 CPE. Certificates Here you can import the CA for TR-069.
Section 4 – Troubleshooting Software Forbidden Choose ADVANCED > Network Tools > Software Forbidden. The page shown in the right figure appears. This page is used to configure some software to be forbidden. By it ,you can deny the IP packets from the specified software. ARP Binding Choose ADVANCED > Network Tools > ARP Binding. The page shown in the right figure appears. This page lists the permanent arp entry table.You can bind ip with corresponding mac to avoid arp spoof.
Section 4 – Troubleshooting Routing Static Routing Choose ADVANCED > Routing > Static Route. The page shown in the right figure appears. This page is used to configure the routing information. In this page, you can add or delete IP routes. The following table describes the parameters of this page. Field Description Destination The destination IP address of the router. Subnet Mask The subnet mask of the destination IP address. Next hop The gateway IP address of the router. Metric The cost of this route.
Section 4 – Troubleshooting Click Add Route to save the settings. RIP Choose ADVANCED > Routing > RIP. The page shown in the right figure appears. This page is used to select the interfaces on your device that use RIP and the version of the protocol used.
Section 4 – Troubleshooting NAT Traditional NAT would allow hosts within a private network to transparently access hosts in the external network, in most cases. In a traditional NAT, sessions are uni-directional, outbound from the private network. Sessions in the opposite direction may be allowed on an exceptional basis using static address maps for pre-selected hosts. Choose ADVANCED > NAT > NAT ALG. The page shown in the right figure appears.
Section 4 – Troubleshooting NAT Forwarding Choose ADVANCED > NAT > FTP ALG config. The page shown in the right figure appears. This page is used to configure FTP Server ALG and FTP Client ALG ports . NAT IP Mapping Choose ADVANCED > NAT > NAT IP Mapping. The page shown in the right figure appears. Entries in this table allow you to config one IP pool for specified source ip address from lan,so one packet which's source ip is in range of the specified address will select one IP address from pool for NAT.
Section 4 – Troubleshooting MAINTAINANCE In the main interface, click MAINTAINANCE tab to enter the maintenance menu. The submenu of the Management contains System, Firmware Upgrade, Password , Diagnosis, system Log Configuration and Logout. System Choose MAINTAINANCE > System. The page shown in the right figure appears. In this page, you can reboot device, back up the current settings to a file, update settings from the file saved previously and restore the factory defaults.
Section 4 – Troubleshooting Firmware Upgrade Choose MAINTAINANCE > Firmware Update. The page shown in the right figure appears. In this page, you can upgrade the firmware of the device. To update the firmware, take the following steps. Step 1 Click Browse…to find the file. Step 2 Click Update Firmware to copy the file. The device loads the file and reboots automatically. Note: Do not turn off your device or press the Reset button while an operation in this page is in progress.
Section 4 – Troubleshooting Diagnosis Ping Choose MAINTAINANCE > Diagnosis > Ping. The page shown in the right figure appears. In this page, you can determine the routers on the Internet by sending packets. Ping Choose MAINTAINANCE > Diagnosis > Ping. The page shown in the right figure appears. In this page, you can determine the routers on the Internet by sending packets. Traceroute Choose MAINTAINANCE > Diagnosis > Traceroute. The page shown in the right figure appears.
Section 4 – Troubleshooting ADSL Test Choose MAINTAINANCE > Diagnosis > ADSL Test. The page shown in the right figure appears. In this page, you can test your DSL connection by clicking Start. . DIAGNOSTIC Test Choose MAINTAINANCE > Diagnosis > Diag Test. The page shown in the right figure appears. In this page, you can test the bit error rate. The DSL Router is capable of testing your DSL connection. The individual tests are listed below.
Section 4 – Troubleshooting System Log Choose MAINTAINANCE > System Log. The System Log page shown in the right figure appears. This page displays event log data in the chronological manner. You can read the event log from the local host or send it to a system log server. Available event severity levels are as follows: Emergency, Alert, Critical, Error, Warning, Notice, Informational and Debugging. In this page, you can enable or disable the system log function. To log the events, take the following steps.
Section 4 - Troubleshooting Troubleshooting This chapter provides solutions to problems that might occur during the installation and operation of the DSL-2740E. Read the following descriptions if you are having problems. (The examples below are illustrated in Windows® XP. If you have a different operating system, the screenshots on your computer will look similar to the following examples.) 1.
Section 4 – Troubleshooting Step 4 indicators should be on as well. Please ensure that the settings in the Web-based configuration manager, e.g. ISP username and password, are the same as the settings that have been provided by your ISP. 4. Why can’t I get an Internet connection? For ADSL ISP users, please contact your ISP to make sure the service has been enabled/connected by your ISP and that your ISP username and password are correct. 5.
Appendix A – Networking Basic Networking Basics Check Your IP Address After you install your new D-Link adapter, by default, the TCP/IP settings should be set to obtain an IP address from a DHCP server (i.e. wireless router) automatically. To verify your IP address, please follow the steps below. Click on Start > Run. In the run box type cmd and click on the OK button. At the prompt, type ipconfig and press Enter. This will display the IP address, subnet mask and the default gateway of your adapter.
Appendix B –Statically Assigning an IP Address Statically Assigning an IP Address If you are not using a DHCP capable gateway/router, or you need to assign a static IP address, please follow the steps below: Step 1 Windows® XP - Click on Start > Control Panel > Network Connections. Windows® 2000 - From the desktop, right-click on the My Network Places > Properties. Step 2 Right-click on the Local Area Connection which represents your network adapter and select the Properties button.
Appendix C – Technical Specifications Technical Specifications ADSL Standards Data Transfer Rate ANSI T1.413 Issue 2 ITU G.992.1 (G.dmt) AnnexA ITU G.992.2 (G.lite) Annex A ITU G.994.1 (G.hs) ITU G.992.5 Annex A ADSL2 Standards ITU G.992.3 (G.dmt.bis) Annex A, L, M ITU G.992.4 (G.lite.bis) Annex A, L, M ADSL2+ Standards ITU G.992.5 (ADSL2+) Annex A, L, M G.dmt full rate downstream: up to 8 Mbps / upstream: up to 1 Mbps G.lite: ADSL downstream up to 1.5 Mbps / upstream up to 512 Kbps G.dmt.
