Table of Contents Table of Contents TABLE OF CONTENTS .................................................................................................2 PACKAGE CONTENTS......................................................................................................3 SYSTEM REQUIREMENTS ................................................................................................3 FEATURES ...............................................................................................................
Section 1 - Product Overview • • • • • • Package Contents DSL-2542B ADSL Router Power Adapter CD-ROM with User Manual One twisted-pair telephone cable used for ADSL connection One straight-through Ethernet cable One Quick Installation Guide Note: Using a power supply with a different voltage rating than the one included with the DSL-2542B will cause damage and void the warranty for this product.
Section 1 - Product Overview 11 • • • • • • • • • • • • • Features PPP (Point-to-Point Protocol) Security – The Router supports PAP (Password Authentication Protocol) and CHAP (Challenge Handshake Authentication Protocol) for PPP connections. The Router also supports MSCHAP. DHCP Support – Dynamic Host Configuration Protocol automatically and dynamically assigns all LAN IP settings to each host on your network. This eliminates the need to reconfigure every host whenever changes in network topology occur.
Section 1 - Product Overview • Hardware Overview Connections ADSL Port Use the ADSL cable to connect to the your telephone line (RJ-11 port). Ethernet Ports Use the Ethernet ports to connect the Router to a computer or an Ethernet LAN. D-Link DSL-2542B User Manual Reset Button To manually reset, depress button with the power on for at least seven seconds. Power Button Push in to power-on the Router. Push again to power-off the Router.
Section 1 - Product Overview Hardware Overview LEDs Power A steady green light indicates the unit is powered on. When the device is powered off this remains dark. Lights steady green during power on self-test (POST). Once the connection status has been settled, the light will blink green. If the indicator lights steady green after the POST, the system has failed and the device should be rebooted. LAN A solid green light indicates a valid link on startup.
Section 2 – Installation Installation This section will walk 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 VPI Most users will not be required to change this setting. The Virtual Path Identifier (VPI) is used in conjunction with the Virtual Channel Identifier (VCI) to identify the data path between your ADSL service provider’s network and your computer. If you are setting up the Router for multiple virtual connections, you will need to configure the VPI and VCI as instructed by your ADSL service provider for the additional connections.
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-2542B to this Ethernet port using an Ethernet cable. You can also use the Ethernet ports on the DSL-2542B to connect to other computer or Ethernet devices. DHCP Client status Your DSL-2542B ADSL Router is configured, by default, to be a DHCP server.
Section 2 – Installation Power on Router The Router must be used with the power adapter included with the device. 1. Insert the AC Power Adapter cord into the power receptacle located on the rear panel of the Router and plug the adapter into a suitable nearby power source. 2. Depress the Power button into the on position. You should see the Power LED indicator light up and remain lit. The Status LED should light solid green and begin to blink after a few seconds. 3.
Section 2 – Installation Network Connections Connect ADSL Line Use the ADSL cable included with the Router to connect it to a telephone wall socket or receptacle. Plug one end of the cable into the ADSL port (RJ-11 receptacle) on the rear panel of the Router and insert the other end into the RJ-11 wall socket. If you are using a low pass filter device, follow the instructions included with the device or given to you by your service provider.
Section 3 – Configuration Setup This section will show you how to set up and configure your new D-Link Router using the Web-based configuration utility. Web-based Configuration Utility Connect to the Router To configure the WAN connection used by the Router it is first necessary to communicate with the Router through its management interface, which is HTML-based and can be accessed using a web browser.
Section 3 – Configuration Quick Setup This chapter is concerned with using your computer to configure the WAN connection. The following chapter describes the various windows used to configure and monitor the Router including how to change IP settings and DHCP server setup. QUICK SETUP Click the Setup Wizard link in the middle of the top of the window of the Router’s opening page to launch a series of setup windows.
Section 3 – Configuration QUICK SETUP – OPENING WINDOW The first window of the Setup Wizard lists the basic steps in the process. These steps are as follows: 1. Change the Router password. 2. Configure the connection to the Internet. 3. Save the new configuration settings and reboot the system. QUICK SETUP – CHANGE YOUR ROUTER PASSWORD This window of the Setup Wizard is used to change the Router password.
Section 3 – Configuration QUICK SETUP – SELECT THE INTERNET CONNECTION TYPE Now use the drop-down menus to select the Country, ISP Provider, and Connection Type used for the Internet connection, and enter VPI and VCI values if applicable. Your ISP has given this information to you—any information that is not required for your provider will automatically be grayed out in this window and subsequent Quick Setup windows.
Section 3 – Configuration QUICK SETUP – PPPOE/PPPOA CONFIGURATION Type in the User Name and Password used to identify and verify your account to the ISP. If you are instructed to change the VPI or VCI number, type in the correct setting in the available entry fields. Most users will not need to change these settings. The Internet connection cannot function if these values are incorrect. Some users may have to adjust the Connection Type from the drop-down menu at the bottom of this Setup Wizard window.
Section 3 – Configuration QUICK SETUP – STATIC IP CONFIGURATION Enter values for VPI, VCI, IP Address, Subnet Mask, Default Gateway IP address, Preferred DNS Server IP address, and Alternate DNS Server IP address as instructed by your ISP. The Internet connection cannot function if these values are incorrect. Select the specific Connection Type from the drop-down menu.
Section 3 – Configuration QUICK SETUP – FINISH & RESTART CONFIRMATION Finally you can confirm that the setup process is completed. If you are satisfied that you have entered all the necessary information correctly, click the Restart button to save the new configuration settings and restart the Router. If you need to change settings from a previous window, click the Back button. QUICK SETUP – REBOOT CONFIRMATION DIALOG Click the OK button to proceed with the Router reboot.
Section 3 – Configuration ADSL Setup To access the ADSL Setup window, simply login to the Router or click either ADSL Setup in the Setup directory or Setup on the tool bar at the top of the Web manager window.
Section 3 – Configuration PPPoE/PPPoA To configure a PPPoE or PPPoA type WAN connection, follow these steps: 1. Type the Username and Password used for your ADSL account. A typical User Name will be in the form “user1234@isp.co.uk.” The Password may be assigned to you by your ISP or you may have selected it when you set up the account with your ISP. The Service Name field is used for the name of your Internet Service Provider. This is optional. 2. Choose the Connection Type from the drop-down menu.
Section 3 – Configuration Dynamic IP Address A Dynamic IP Address connection configures the Router to automatically obtain its global IP address from a DHCP server on the ISP’s network. The service provider assigns a global IP address from a pool of addresses available to the service provider. Typically the IP address assigned has a long lease time, so it will likely be the same address each time the Router requests an IP address. To configure a Dynamic IP Address WAN connection, follow these steps: 1.
Section 3 – Configuration Static IP Address When the Router is configured to use Static IP Address assignment for the WAN connection, you must manually assign a global IP Address, Subnet Mask, and Default Gateway IP address used for the WAN connection. . To configure a Static IP Address WAN connection, follow these steps: 1. Change the IP Address, Subnet Mask, and Default Gateway as instructed by your ISP. These are the global IP settings for the WAN interface.
Section 3 – Configuration Bridge Mode For Bridged connections it will be necessary for most users to install additional software on any computer that will use the Router for Internet access. The additional software is used for the purpose of identifying and verifying your account, and then granting Internet access to the computer requesting the connection. The connection software requires the user to enter the User Name and Password for the ISP account.
Section 3 – Configuration LAN Setup To access the LAN Setup window, click the LAN Setup button in the Setup directory. You can configure the LAN IP address to suit your preference. Many users will find it convenient to use the default settings together with DHCP service to manage the IP settings for their private network. The IP address of the Router is the base address used for DHCP.
Section 3 – Configuration You may also configure DNS settings when using the Router in DHCP mode (Advanced > DNS Setup). When “Obtain DNS server address automatically“ is clicked under DNS Server Configuration on the DNS Setup window, the Router will automatically relay DNS settings to properly configured DHCP clients. To manually enter DNS IP addresses, click the “Use the following DNS server addresses“ radio button and type in a Preferred DNS Server and Alternate DNS Server in the fields provided.
Section 3 – Configuration Time and Date To access the Time and Date window, click the Time and Date button in the Setup directory. The Router provides a number of options to maintain current date and time including NTP. To configure system time on the Router, select the method used to maintain time.
Section 3 – Configuration Parental Control To access the Parental Control window, click the Parental Control button in the Setup directory. Use this window to deny access to specified websites and to set Internet access time periods. URL or Uniform Resource Locator is a specially formatted text string that uniquely defines an Internet website. This window will allow users to block computers on the LAN from accessing certain URLs.
Section 3 – Configuration Advanced This chapter include the more advanced features used for network management and security. Port Forwarding To access the Port Forwarding window, click the Port Forwarding button in the Advanced directory. Port Forwarding is used to allow Internet users access to LAN services.
Section 3 – Configuration Application Rules To access the Application Rules window, click the Application Rules button in the Advanced directory. Some applications require that the remote parties open specific ports in the Router’s firewall for access. Port Trigger dynamically opens the Open Ports in the firewall when an application on the LAN initiates a TCP/UDP connection to a remote party using Trigger Ports.
Section 3 – Configuration QoS Setup . To access the QoS Setup window, click the QoS Setup button in the Advanced directory. QoS or Quality of Service allows your Router to help prioritize the data packet flow in your Router and network. This is very important for time sensitive applications such as VoIP where it may help prevent dropped calls. Large amounts of non-critical data can be scaled so as not to affect these prioritized sensitive real-time programs.
Section 3 – Configuration ToS From this window, you can use the Bandwidth drop-down menu to select the desired value of bandwidth, in kbps, that will be divided up among the four priority queues. Input a Weight, in percentage, and a Range from 0 to 7. Tick the Enable check box for each queue configured. Some experimentation may be necessary to achieve the optimum results with your particular ISP’s connection.
Section 3 – Configuration Application On this window, you can select the mechanism by which the four priority queues are emptied by assigning a Weight, in percentage terms, to each priority queue, and then selecting the associated Application Type. Tick the Enable check box for each queue configured. Some experimentation may be necessary to achieve the optimum results with your particular ISP’s connection.
Section 3 – Configuration User Define On this window, you can assign a Weight, on a percentage basis, to each of the four priority queues. In addition, you can specify the number of bytes from the beginning of a given packet’s IP header to set a pointer. From this pointer, you can then specify a Value (in hexadecimal) and a Mask (in hexadecimal) for the Router to match when examining packets crossing the specified priority queue.
Section 3 – Configuration Outbound Filter To access the Outbound FIlter window, click the Outbound Filter button in the Advanced directory. The Outbound Filter allows you to create a filter rule to block outgoing IP traffic by specifying a filter name and at least one condition on this window. All of the specified conditions in this filter rule must be satisfied for the rule to take effect. Filters are used to allow or deny LAN or WAN users from accessing the Internet or your internal network.
Section 3 – Configuration Inbound Filter To access the Inbound Filter window, click the Inbound Filter button in the Advanced directory. The Inbound Filter allows you to create a filter rule to allow incoming IP traffic by specifying a filter name and at least one condition on this window. All of the specified conditions in this filter rule must be satisfied for the rule to take effect. By default, all incoming IP traffic from the Internet is blocked when the firewall is enabled.
Section 3 – Configuration DNS Setup To access the DNS Setup window, click the DNS Setup button in the Advanced directory. The Router can be configured to relay DNS settings from your ISP or another available service to workstations on your LAN. When using DNS relay, the Router will accept DNS requests from hosts on the LAN and forward them to the ISP’s, or alternative DNS servers. DNS relay can use auto discovery or the DNS IP address can be manually entered by the user.
Section 3 – Configuration using DHCP, this can make it difficult to locate a specific host on the LAN using standard DNS. If for example you are running a public web server or VPN server on your LAN, this ensures that the host can be located from the Internet if the public IP address changes. DDNS requires that an account be setup with one of the supported DDNS providers.
Section 3 – Configuration Firewall & DMZ To access the Firewall & DMZ window, click the Firewall & DMZ button in the Advanced directory. Firewalls may conflict with certain interactive applications such as video conferencing or playing Internet video games. For these applications, a firewall bypass can be set up using a DMZ IP address. The DMZ IP address is a “visible” address and does not benefit from the full protection of the firewall function.
Section 3 – Configuration that service. Examples include: attempts to "flood" a network, thereby preventing legitimate network traffic, attempts to disrupt connections between two machines, thereby preventing access to a service, attempts to prevent a particular individual from accessing a service, or, attempts to disrupt service to a specific system or person. Port scan protection is designed to block attempts to discover vulnerable ports or services that might be exploited in an attack from the WAN.
Section 3 – Configuration Advanced LAN To access the Advanced LAN window, click the Advanced LAN button in the Advanced directory. UPnP supports zero-configuration networking and automatic discovery for many types of networked devices. When enabled, it allows other devices that support UPnP to dynamically join a network, obtain an IP address, convey its capabilities, and learn about the presence and capabilities of other devices. DHCP and DNS service can also be used if available on the network.
Section 3 – Configuration SNMP Setup To access the SNMP Setup window, click the SNMP Setup button in the Advanced directory. Simple Network Management Protocol is a standard for internetwork and intranetwork management. Tick the SNMP Agent check box and configure the parameters for SNMP on this window and then click the Apply Settings button. Click the Reboot button on the left panel to let your changes take effect.
Section 3 – Configuration Remote Management To access the Remote Management window, click the Remote Management button in the Advanced directory. The Router allows remote Web and Telnet management in the top section of the window. Tick the Enable Remote Management check box, enter an IP address of the remote system used for management, enter optional identifying information in the Details field if desired, and click the Add/Apply button.
Section 3 – Configuration Maintenance The Maintenance directory features an array of options designed to help you get the most out of your Router. Password To access the Password window, click the Settings button in the Maintenance directory. To change the Administrator’s password, type the Current Password in the first field, the New Password in the second field, and enter the password again in the Confirm Password field to be certain you have typed it correctly.
Section 3 – Configuration Save/Restore Settings To access the Save/Restore Settings window, click the Save/Restore Settings button in the Maintenance directory. Once you have configured the Router to your satisfaction, it is a good idea to back up the configuration file to your computer. To save the current configuration settings to your computer, click the Save button. You will be prompted to select a location on your computer to put the file. The file type is bin and may be named anything you wish.
Section 3 – Configuration Firmware Update To access the Firmware Update window, click the Firmware Update button in the Maintenance directory. Use this window to load the latest firmware for the device. Note that the device configuration settings may return to the factory default settings, so make sure you save the configuration settings with the Save/Restore Settings window described on the previous page.
Section 3 – Configuration Diagnostics To access the Diagnostic window, click the Diagnostics button in the Maintenance directory. This window is used to test connectivity of the Router. A Ping test may be done through the local or external interface to test connectivity to known IP addresses. The diagnostics feature executes a series of tests of your system software and hardware connections. Use this window when working with your ISP to troubleshoot problems.
Section 3 – Configuration System Log To access the System Log window, click the System Log button in the Maintenance directory. The system log allows you to configure local and remote logging, and to view the logs that have been created. To generate a system log, tick the Log check box. Select the Log Level and Display Level from the pull-down menus. The levels available are the same for each type of level: Emergency, Alert, Critical, Error, Warning, Notice, Informational and Debugging.
Section 3 – Configuration Status Use the various read-only windows to view system information and monitor performance. Device Info To access the Device Info window, click the Device Info button in the Status directory. Use this window to quickly view basic current information about the LAN and WAN interfaces and device information including Firmware Version and MAC address.
Section 3 – Configuration Connected Clients To access the Connected Clients window, click the Connected Clients button in the Status directory. The Connected LAN Clients list displays active DHCP clients when the router is acting as a DHCP server.
Section 3 – Configuration Statistics To access the Statistics window, click the Statistics button in the Status directory. Use this window to monitor traffic on the Ethernet or ADSL connection. This window also displays information concerning ADSL status.
Section 3 – Configuration Routing Info To access the Routing Info window, click the Routing Info button in the Status directory. This window is used to direct forwarding by matching destination addresses to the network paths used to reach them. Click the Refresh button to refresh the Routing Table information.
Section 3 – Configuration Help To access the Help window, click the Help directory.
Appendix A – Troubleshooting Troubleshooting This chapter provides solutions to problems that might occur during the installation and operation of the DSL-2542B. 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. How do I configure my DSL-2542B Router without the CD-ROM? • • • • Note: 2.
Appendix A – Troubleshooting • 4. 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. 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 B - Networking Basics 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. 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 - Networking Basics Statically Assign 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 D-Link network adapter and select Properties.
Appendix C – Technical Specifications Technical Specifications Data Transfer Rate ADSL Standards • • • • • • 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 ITU G.992.4 (G.lite.bis) Annex A Protocols • • • • • • • • • • IEEE 802.
