Table of Contents Table of Contents General Information..................................................... 4 Package Contents.................................................... 4 Important Safety Instructions.................................... 4 Front Panel View....................................................... 5 Rear Panel View....................................................... 6 Installing the Router..................................................... 7 Installation Diagram................
Table of Contents Status........................................................................... 54 Device Info.............................................................. 54 DHCP Clients......................................................... 54 WAN Info................................................................. 55 Route Info............................................................... 55 Log.......................................................................... 56 LAN....................
Section 1 - General Information General Information The D-Link DSL-2540B is an ADSL2+ router offering the convenience of 4 LAN ports for additional computers. This user manual provides you with a simple and easy-to-understand format to install and configure your router.
Section 1 - General Information Front Panel View DSL LED A Solid light indicates the DSL is synchronized. A flashing LED indicates the router is attempting to synchronize with the DSL provider. Power LED A solid green light indicates the unit is powered up. A red light indicates a malfunction. Status LED A blinking light indicates traffic is passing through.
Section 1 - General Information Rear Panel View ON/OFF Press this button to turn the unit on or off. Power Receptor Receptor for the supplied power adapter. LAN Ports (1-4) Connect Ethernet devices such as computers, switches, and hubs. DSL Line Connect to an active telephone line (RJ-11). Reset Pressing the Reset button restores the router to its original factory default settings.
Section 2 - Installing The Router Installing the Router Connect the ADSL and Telephone Lines • Connect an RJ-11 cable between the wall phone jack and the line-end of the splitter (see diagram below). • Attach another RJ-11 phone cable to the router-end of the splitter and the ADSL port on the rear panel of the router. • The phone-end of the splitter will be connected to the telephone using a third RJ-11 phone cable. NOTE: See connections on the installation diagram.
Section 2 - Installing The Router Connect the Power Adapter • Complete the process by connecting the supplied 12VAC, 1A power adapter to the POWER connector on the back of the device and plug the adapter into a wall outlet or power strip. Then turn on and boot up your PC and any LAN devices, such as hubs or switches, and any computers connected to them.
Section 3 - Installation Diagram Installation Diagram D-Link DSL-2540B ADSL2+ 4-Port Router User Manual
Section 4 - Configuring Your Computer Configuring Your Computer Prior to accessing the router through the LAN port, note the following necessary configurations: • Your PC’s TCP/IP address: 192.168.1.x (where “x” is any number between 2 and 254) • The router’s default IP address: 192.168.1.1 • Subnet mask: 255.255.255.0 Below are the procedures for configuring your computer. Follow the instructions for the operating system that you are using.
Section 4 - Configuring Your Computer 7. If prompted to restart your computer with the new settings, click OK. 8. After your computer restarts, click on the Network and Dial-up Connections icon again, and right click on the Local Area Connection icon and then select Properties. 9. In the Local Area Connection Properties dialog box, select Internet Protocol (TCP/IP) and then click on Properties. 10.
Section 5 - Log In To The Router Log in to the Router This section will explain how to log in to your router using the following steps: 1. Launch your web browser. 2. Enter the URL http://192.168.1.1 in the address bar and press Enter. A login screen like the one below will be displayed after you connect to the user interface. Note: There are three account types, each requiring a different username and password.
Section 6 - Home Home The home section provides configurations for general use, including a Quick Setup Wizard with steps to quickly set up your router for Internet connection. Also included in this section are LAN/WAN setup and DNS configuration. The below sections explains the setup for each. Wizard This section will explain how to quickly configure the router if your only intention is to access the Internet.
Section 6 - Home If you uncheck the DSL Auto-connect box, the resulting screen is seen below. Enter the VPI/VCI as indicated by your ISP. There is also an option to enable Quality of Service. When you are ready, click Next to continue.
Section 6 - Home Next is the Connection Type screen where you can select the type of network protocol and encapsulation mode over the ATM PVC that your ISP has instructed you to use. The following is a PPPoA example. Click Next to continue.
Section 6 - Home Enter the PPP username and password given by your ISP. Then decide if you will be using any features such as dial on demand, PPP IP extension, keep alive and then click on Next.
Section 6 - Home The next step is to configure the Network Address Translation (NAT) settings. For the example, NAT will be enabled. Leave the remaining fields at their defaults and click Next to continue.
Section 6 - Home In this section, you can configure the DSL Router IP address and Subnet Mask to make the LAN interface correspond to your LAN’s IP Subnet. If you want the DHCP server to automatically assign IP addresses, then enable the DHCP server and enter the range of IP addresses that the DHCP server can assign to your computers. Disable the DHCP server if you would like to manually assign IP addresses. Click Next to continue.
Section 6 - Home After all WAN configurations are complete, the WAN Setup Summary screen displays all WAN settings that you have made. Check that the settings are correct before clicking on the Save/Reboot button. Clicking on Save/Reboot will save your settings and restart your router.
Section 6 - Home WAN Configure the WAN settings as provided by your ISP. Click on the Add button if you want to add a new connection for the WAN interface and to proceed to the ATM PVC Configuration screen as seen on page 21. The ATM PVC Configuration screen allows you to configure an ATM PVC identifier (VPI and VCI) and select a service category.
Section 6 - Home Note: The Following settings are ISP dependant. For information regarding proper configuration, contact your ISP. VPI: Virtual Path Identifier. The valid range is 0 to 255. VCI: Virtual Channel Identifier. The valid range is 32 to 65535. Service Five classes of traffic are listed: Category: UBR Without PCR UBR service is suitable for applications that can (Unspecified Bit Rate without tolerate variable delays and some cell losses.
Section 6 - Home This screen shows the types of network protocols and encapsulation modes that can be configured: • PPP over ATM (PPPoA) • PPP over Ethernet (PPPoE) • MAC Encapsulation Routing (MER) • IP over ATM (IpoA) • Bridging If you will be using VLAN tagging, click on the Enable 802.1q checkbox and then enter the VLAN ID number. When finished with your selections, click Next to continue. Note: These settings are ISP dependant. For information regarding proper configuration, contact your ISP.
Section 6 - Home The following screen allows you to enter PPP username and password as well as make any selections regarding your connection. Dial on demand: Allows you to manually connect to the Internet so you are not permanently connected. Idle timeout timer is included. PPP IP extension: Used by some ISP’s. Check with your ISP to see if it is required. Keep alive: Keeps you connected to your ISP even when no activity is present for a certain period of time.
Section 6 - Home This screen allows you to configure the Network Address Translation settings for the router. Enable NAT: Select enable if you wish to share one WAN IP address for multiple computers on your LAN. Enable Firewall: Select if you wish to enable the router’s firewall for security. Enable IGMP Select enable if you wish to be able to provide Multicast: multicasts, mostly used in video streaming. Enable WAN Select if you wish to use WAN service and then Service: set the service name.
Section 6 - Home After you apply the configuration, it will return to the WAN Setup screen showing the new configuration. Select the Finish button to save the changes and reboot the router. When the router restarts the DSL Router Reboot screen will appear during the reboot process.
Section 6 - Home LAN You can configure the DSL Router IP address and Subnet Mask for the LAN interface. If you will be multicasting (e.g. video streaming) you can enable IGMP snooping. IGMP snooping allows the router to efficiently determine where the multicast traffic came from and where it is headed. There are two IGMP snooping options: standard or blocking mode.
Section 6 - Home DNS DNS Server Configuration Use the DNS Server screen to request automatic assignment of a DNS or to specify a primary and secondary DNS. If you uncheck the Enable Automatic Assigned DNS checkbox, two additional fields will appear: primary and secondary DNS server. Enter one primary and one secondary DNS address in each field. Click Apply to save the configuration.
Section 6 - Home Dynamic DNS Dynamic DNS is a service for allowing an Internet domain name to be assigned to a changing IP address. This makes it possible for other sites on the Internet to establish connections to you without needing to track the IP address themselves. Click on Add to set up a dynamic DNS configuration. This screen allows you to add a dynamic DNS address from DynDNS.org or TZO. First select the DDNS provider (DynDNS.org or TZO) from which you have obtained a dynamic DNS address.
Section 6 - Home Logout To log out of the router’s user interface at any time during the setup, click on the Logout button. A confirmation screen will appear confirming that you really want to log out.
Section 7 - Advanced Setup Advanced Setup This section of the setup is an advanced version of the quick setup. If you want to make specific configurations to your router such as creating a virtual server, DMZ, RIP, Quality of Service (QoS), etc., consider going through this advanced setup for a more comprehensive configuration. ADSL The ADSL settings page contains modulation and capability settings. Consult your ISP to determine the correct settings.
Section 7 - Advanced Setup ADSL Settings The test mode can be selected from the ADSL Advanced Settings page. Test modes include normal, reverb, medley, no retrain, and L3. After you make your selection, click on Apply to save these settings first before you go to Tone Selection.
Section 7 - Advanced Setup ADSL Tone Settings The frequency band of ADSL is split into 256 separate tones, each spaced 4.3125 kHz apart. Each tone carries separate data, so the router operates as if 256 separate routers were running in parallel. The tone range is from 0 to 31 for upstream and from 32 to 255 for downstream. Do not change these settings unless directed by your ISP.
Section 7 - Advanced Setup Virtual Server If you enable NAT (Network Address Translation), you can configure the Virtual Server, Port Triggering, and DMZ Host. NAT—Virtual Servers Setup A virtual server allows you to direct incoming traffic from the WAN side to a specific IP address on the LAN side. This is useful if you have software that requires communication with the Internet (e.g. peer-to-peer, games, etc.).
Section 7 - Advanced Setup Select a virtual server from the drop-down list and then enter the server IP address. The Server IP Address would normally be the IP address of the computer on your network which is using the application or game. See Networking Basics in the Appendix section of this manual to determine your IP address. Once you are satisfied with your selection, click Apply once.
Section 7 - Advanced Setup The following screen appears after you save your selection. To add additional virtual servers, click on the Add button. If you need to remove any of the server names, select the check box in the remove column and click on the Remove button.
Section 7 - Advanced Setup DMZ You can define the IP address of the DMZ Host on this screen. The DMZ is used to forward all IP packets coming into the router to a specified IP address. Enter the IP address and click Apply. SNMP SNMP (Simple Network Management Protocol) is a network protocol that provides a means to monitor the status and performance of the router, as well as make configuration changes.
Section 7 - Advanced Setup Filter Outbound Outgoing IP Filtering Setup The outgoing filter will block the LAN traffic from entering the WAN side. Click on the Add button to create filters. This next screen will appear when you click Add. Enter the filter name, source information (from the LAN side), and destination information (from the WAN side). Then click Apply to save.
Section 7 - Advanced Setup The following screen will appear when you create an IP filter. This screen lists the IP filters that were added from the previous screen. To change your settings, click on the Add or Remove buttons. Filter Inbound Incoming IP Filtering Setup Incoming IP filter allows specified the WAN traffic to pass through the firewall. Click the Add button to add incoming filter settings.
Section 7 - Advanced Setup The Add IP Filter screen will appear when you click Add. Enter a filter name, protocol, source address information (from the WAN side) and destination address information (to the LAN side). Select the WAN interface and when ready, click Apply to add the filter. The following screen appears when you create an IP filter. The screen lists the IP filters that were added from the previous screen. To change your settings, click the Add or Remove buttons.
Section 7 - Advanced Setup Bridge Filters MAC Filtering Setup MAC filtering can forward or block traffic by MAC address. You can change the policy or add settings to the MAC filtering table using the MAC Filtering Setup screen.
Section 7 - Advanced Setup If you click Change Policy, a confirmation dialog allows you to verify your change. Select Yes to continue, or No to cancel. If you want to add an entry to the MAC filtering table, Select Add from the MAC Filtering Setup screen. The Add MAC Filter screen should then appear. Select a Protocol Type, enter the Destination and Source MAC address, the necessary Frame Direction, and WAN interface (bridge mode only). Click Apply to save.
Section 7 - Advanced Setup Routing Routing - Static Route The Static Route page can be used to add a routing table (a maximum of 32 entries can be configured). To proceed, click Add. On the Static Route Add page, enter the destination network address, subnet mask, gateway and select an available WAN interface. When complete, click Apply.
Section 7 - Advanced Setup RIP RIP (Routing Information Protocol) is a process of moving a packet from one node to another by forwarding the packet to the next router. It determines a route based on the smallest hop count between source and destination routers. If RIP is enabled, the router operation can be configured as active or passive. Click Apply to save any changes.
Section 7 - Advanced Setup Quality of Service QoS (Quality of Service) is a method of identifying, classifying and assigning priorities to traffic that passes through the router. This ensures that time sensitive data (e.g. video streaming) is given priority over other non-essential data. You can configure the Quality of Service to apply different priorities to traffic on the router. Click Add to view the Add Network Traffic Class Rule screen.
Section 7 - Advanced Setup This screen allows you to add a network traffic class rule. A rule consists of a traffic class name and at least one condition. All configured conditions must first be met before the rule takes effect. Click Apply to save any changes.
Section 8 - Tools Tools The tools section contains various administrator functions to maintain your router. Sections include the following: Admin, Time, Remote Log, System, Firmware, and Test.
Section 8 - Tools Time The Time Settings page allows you to automatically synchronize your time with a time server on the Internet. To set the router’s time, click on the automatically synchronize with Internet time servers checkbox. Addional time settings will appear below the checkbox. Select from the list of NTP (Network Time Protocol) time servers. Then select the time zone that you are in and click Apply to save.
Section 8 - Tools Remote Log The System Log screen allows you to view the system log and configure the system log options. To view the system log, click on the View System Log button. Note: When you click on the View System Log button, the System Log screen is located under the Status section (see screen on right). To return to the previous screen to configure system log, remember to click on the Tools tab (located on top row) first and then click on Remotelog.
Section 8 - Tools To configure the system log, click the Configure System Log button. From the configuration screen, set the log to Enable, select the Log Level, Display Level and Mode. If the selected mode is “Remote” or “Both”, events will be sent to a specified IP address and UDP port of a remote system log server. If the selected mode is “Local” or “Both”, events will be recorded and viewed locally. Select the desired values and click Apply to save the system log options.
Section 8 - Tools System The system section includes several tools on one page, including save and reboot, backup settings, update settings, and restore default settings. Save and Reboot The Save/Reboot button, when clicked, will save all configuration changes made on the router and restart the device. All new configuration settings will take effect when the router starts up again.
Section 8 - Tools Update Settings To load a previously saved configuration file onto your router, click Browse, select the file on your computer and then click on Update Settings. The router will restore settings and reboot to activate the restored settings. Restore Default Settings Restore Default Settings will delete all current settings and restore the router to factory default settings. Click on the Restore Default Settings button to proceed.
Section 8 - Tools Firmware If your ISP releases new software for this router, follow these steps to perform an upgrade. 1. Obtain an updated software image file (firmware) from your ISP. 2. Enter the path of the image file location or click the Browse button to locate the image file. 3. Click the Update Software button once to upload the new image file.
Section 8 - Tools Test The diagnostics screen allows you to run diagnostic tests to check your DSL connection.
Section 9 - Status Status The status section allows you to view general and status information for your router’s connection. Device Info The Device Info page shows details of the router such as the version of the software, bootloader, LAN IP address, etc. It also displays the current status of your DSL connection. DHCP Clients Access the DHCP Leases screen by clicking DHCP under Status.
Section 9 - Status WAN Info The WAN Info screen displays WAN connections previously set up in the Home section. There is an extra “Status” column used for connection status information, displaying either ADSL Link Down or ADSL Link Up. Route Info The Route Info section displays route information showing the IP addresses of the destination, gateway, and subnet mask as well as other route information.
Section 9 - Status Log This is the same screen as seen in the Remotelog section under tools. LAN The LAN section shows received and transmitted packet information for the Ethernet interface. Click on Reset Statistics to renew the information.
Section 9 - Status WAN The WAN section shows received and transmitted packet information for the WAN connections that you have set up. Click on Reset Statistics to renew the information.
Section 9 - Status ADSL Information contained in the ADSL screen is useful for troubleshooting and diagnosing connection problems.
Section 9 - Status ADSL BER Test A Bit Error Rate Test (BER Test) is a test that reflects the ratio of error bits to the total number transmitted. If you click on the ADSL BER Test button at the bottom of the ADSL Statistics page, the following pop-up screen will appear allowing you to set the tested time and to begin the test. Click Start to begin the test.
Section 9 - Status When the test is complete, the following window will display the test results showing the test time, total transferred bits, total error bits and error ratio. Click Exit to close the window.
Troubleshooting This chapter provides solutions to problems that can occur during the installation and operation of the DSL-2540B. 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. Why can’t I access the web-based configuration utility? When entering the IP address of the D-Link router (192.168.1.
• Configure your Internet settings: • Go to Start > Settings > Control Panel. Double-click the Internet Options Icon. From the Security tab, click the button to restore the settings to their defaults. • Click the Connection tab and set the dial-up option to Never Dial a Connection. Click the LAN Settings button. Make sure nothing is checked. Click OK. • Go to the Advanced tab and click the button to restore these settings to their defaults. Click OK three times.
Appendix A - 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 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 A - 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 My Network Places > Properties. Step 2 Right-click on the Local Area Connection which represents your D-Link network adapter and select Properties.
Appendix B - Contacting Technical Support Contacting Technical Support U.S. and Canadian customers can contact D-Link technical support through our web site or by phone. Before you contact technical support, please have the following ready: • Model number of the product (e.g. DSL-2540B) • Hardware Revision (located on the label on the bottom of the router (e.g. rev A1)) • Serial Number (s/n number located on the label on the bottom of the router).
Appendix C - Warranty Warranty Subject to the terms and conditions set forth herein, D-Link Systems, Inc. (“D-Link”) provides this Limited Warranty: • Only to the person or entity that originally purchased the product from D-Link or its authorized reseller or distributor, and • Only for products purchased and delivered within the fifty states of the United States, the District of Columbia, U.S. Possessions or Protectorates, U.S. Military Installations, or addresses with an APO or FPO.
Appendix C - Warranty D-Link may reject or return any product that is not packaged and shipped in strict compliance with the foregoing requirements, or for which an RMA number is not visible from the outside of the package. The product owner agrees to pay D-Link’s reasonable handling and return shipping charges for any product that is not packaged and shipped in accordance with the foregoing requirements, or that is determined by D-Link not to be defective or non-conforming.
Appendix D - Registration Registration Product registration is entirely voluntary and failure to complete or return this form will not diminish your warranty rights. Version 1.
