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D-Link 502G - DSL Router - EN User Manual

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DSL-502G
ADSL Ethernet/USB Router
User's Guide
(March 2002)
651DSL500055

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   Summary of Contents for D-Link 502G - DSL Router - EN

  • Page 1

    DSL-502G ADSL Ethernet/USB Router User’s Guide (March 2002) 651DSL500055...

  • Page 2: Wichtige Sicherheitshinweise

    Wichtige Sicherheitshinweise 1. Bitte lesen Sie sich diese Hinweise sorgfältig durch. 2. Heben Sie diese Anleitung für den spätern Gebrauch auf. 3. Vor jedem Reinigen ist das Gerät vom Stromnetz zu trennen. Vervenden Sie keine Flüssig- oder Aerosolreiniger. Am besten dient ein angefeuchtetes Tuch zur Reinigung. 4.

  • Page 3

    FCC Warning 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.

  • Page 4: Table Of Contents

    TABLE OF CONTENTS ABOUT THIS USER’S GUIDE .................. IX Before You Start ..............................ix Requirements for Installation ..........................x Configuration Computer Requirements ......................x Connection Method............................. x INTRODUCTION ......................1 Router Description and Operation ........................1 Router Features..............................2 Front Panel ................................3 Rear Panel ................................

  • Page 5

    WEB-BASED MANAGEMENT .................29 Accessing the Web Manager ..........................29 Web Manager Interface............................. 30 Adding a New Connection Profile........................31 IP Address on LAN ............................. 33 Router Configuration ............................34 PPP Configuration (PPPoE & PPPoA) ......................34 IPoA configuration............................35 Bridge with RFC 1483 Configuration ....................... 47 Maintenance ................................

  • Page 6

    Figure 1. Front Panel............................... 3 Figure 2. Rear Panel..............................3 Figure 3. LED Indicators ............................5 Figure 4. Router with USB and Ethernet to PC Connection ................... 7 Figure 5. Login to Web Configuration Manager....................20 Figure 6. Access Router Web Configuration Manager ..................20 Figure 7.

  • Page 7

    Figure 37. Configuration Maintenance Screen...................... 53 Figure 38. Remote Administration Access ......................54 Figure 39. Router Summary Statistics........................55 Figure 40. Bridge Summary Screen ........................56 Figure 41. Line Condition ............................. 57 Figure 42. DHCP Allocation Table........................59 Figure 43. Runtime Routing Table........................60...

  • Page 9: About This User's Guide

    DSL-502G ADSL Ethernet Router User’s Guide About This User’s Guide This user’s guide provides instructions on how to install the DSL-502G ADSL Router and use it to connect a computer or Ethernet LAN to the Internet. If you are using a computer with a functioning Ethernet port, you can use the Quick Installation Guide to quickly establish your ADSL connection and access the Internet.

  • Page 10: Requirements For Installation

    DSL-502G ADSL Ethernet Router User’s Guide Requirements for Installation You will need a computer to set up and use the Router. In addition, it will be necessary to configure the device using information provided by your ADSL service provider. This information is used to establish the parameters of the ADSL connection and identify the Router on the WAN.

  • Page 11

    DSL-502G ADSL Ethernet Router User’s Guide...

  • Page 12: Pvc Settings

    DSL-502G ADSL Ethernet Router User’s Guide PPP Connections (RFC 2516 & RFC 2364) For PPPoA or PPPoE connections, a verification process is required before the network connection can be established. Use this section to record the information used for authentication. Account Information (User Name and Password) For PPP connections, a User Name and Password for the user account are needed to connect to the service provider’s network.

  • Page 13: Introduction

    640 Kbps upstream, depending on local telephone line conditions. A secure point-to-point connection is established between the user and the central office of the service provider. D-Link ADSL devices incorporate the recommendations of the ADSL Forum regarding framing, data format, and upper layer protocols.

  • Page 14: Router Features

    DSL-502G ADSL Router User’s Guide Router Features The DSL-502G ADSL Ethernet Router utilizes the latest ADSL enhancements to provide a reliable Internet portal suitable for most small to medium sized offices. DSL-502G advantages include: • PPP (Point-to-Point Protocol) Security The DSL-502G ADSL Router supports PAP (Password Authentication Protocol) and CHAP (Challenge Handshake Authentication Protocol) for PPP connections.

  • Page 15: Front Panel

    DSL-502G ADSL Router User’s Guide Front Panel Place the Modem in a location that allows a view of the LED indicators. To save space you can use the feet to stand the device on either its right or left side. Figure 1.

  • Page 16: Cable Connections

    DSL-502G ADSL Router User’s Guide Cable Connections All cable connections to the Router are made at the rear panel. The factory reset button is located here as well. Ethernet port, connect Ethernet cable here Connect Power USB Port Adapter here RJ-14 console port used for configuration ADSL port, connect...

  • Page 17: Led Indicators

    DSL-502G ADSL Router User’s Guide LED Indicators Figure 3 LED Indicators The LED Indicators read as follows: Power Steady green light indicates the unit is powered on. Status Lights steady green during the ADSL negotiation phase & connection stage. ADSL: Link Steady green light indicates a valid ADSL connection. This will light after the ADSL negotiation process has been settled.

  • Page 18: Connect Adsl Line

    DSL-502G ADSL Router User’s Guide It may be convenient for you locate the Router near the PC you intend to use for initial configuration of the Router. For initial configuration of the device you may need convenient access to the RS-232 serial port on the rear panel.

  • Page 19: Power On Router

    DSL-502G ADSL Router User’s Guide Hub or Switch to Router Connection Connect the Router to an uplink port (MDI-II) on an Ethernet hub or switch with a straight-through cable. If you wish to reserve the uplink port on the switch or hub for another device, connect to any on the other MDI-X ports (1x, 2x, etc.) with a crossed cable.

  • Page 20: First Time Set Up

    DSL-502G ADSL Router User’s Guide First Time Set Up This chapter discusses the steps to first establish the WAN connection. The remaining features not directly concerned with establishing the initial connection are explained in Chapter 5, Web-based Management. It is recommended that you install and configure the Router using one non-networked computer. This allows you to verify that the ADSL service is functioning and that you are able to communicate with the device.

  • Page 21

    DSL-502G ADSL Router User’s Guide 2. Next, the “Found New Hardware Wizard” dialog box is displayed. 3. Insert the CD that came with the DSL-502G into the CD- ROM drive. 4. Click “Next” Note: The various versions of Windows have different Hardware Installation Wizards, which may cause the windows on your computer to appear a bit different than those shown in this Guide.

  • Page 22

    DSL-502G ADSL Router User’s Guide Click “Next” 8. Look in the “PC USB driver” folder of the CD-ROM drive, as shown below. 9. Highlight “vvbususb.inf.” 10. Click “Open” 11. Click “Next” in the window below, to begin installing the first driver.

  • Page 23

    DSL-502G ADSL Router User’s Guide 12. Click “Finish” to complete the first part of the USB driver installation. Note: If the “Found New Hardware Wizard” screen (shown below) does not appear automatically after clicking on the “Finish” button in the above window, restart your computer.

  • Page 24

    DSL-502G ADSL Router User’s Guide 13. The “Found New Hardware Wizard” screen will be displayed again. 14. Click “Next” 15. Select “Search for a suitable driver for my device…” 16. Click “Next”...

  • Page 25

    DSL-502G ADSL Router User’s Guide 17. Select “Specify a location” 18. Click “Next” 19. Look in the “PC USB driver” folder, as shown below. 20. Highlight “VvbEth.inf” 21. Click “Open”...

  • Page 26

    DSL-502G ADSL Router User’s Guide 22. Click “Next” to install the second driver. 23. In Windows 2000, the window at the right may appear. If it does, click “Continue Anyway” For older versions of Windows, you may be asked to insert the Windows CD-ROM that came with your computer.

  • Page 27

    DSL-502G ADSL Router User’s Guide 24. Click “Finish” to exit the installation wizard. The driver for the DSL-502G ADSL modem is now installed. 25. Finally, you will be asked to restart your computer. Click “Yes” to restart the computer. After the computer restarts, the drivers will be ready for use. Check the USB LED and make sure it is shining solid green.

  • Page 28: Ip Settings

    DSL-502G ADSL Router User’s Guide IP Settings To further simplify things it is recommended that you use the Router’s web-based management software for initial configuration. To communicate with the Router, the manager PC must be connected to it via an Ethernet connection and have a web browser installed.

  • Page 29

    DSL-502G ADSL Router User’s Guide 2. In the Control Panel folder, click on Network and Internet Connections. 3. In the Network and Internet Connections folder, click on Network Connections.

  • Page 30

    DSL-502G ADSL Router User’s Guide 4. In the Network Connections folder, highlight the Local Area Connection icon by clicking on it once. A new option is revealed under Network Tabs in the left side panel. 5. Click on Change settings of the connection under Network Tabs.

  • Page 31

    DSL-502G ADSL Router User’s Guide 6. In the General Tab of the Local Area Connection Properties menu, highlight Internet Protocol (TCP/IP) under “This connection uses the following items:” by clicking on it once. Click on the Properties button. 7. Select “Obtain an IP address automatically” by clicking once in the circle. Click the OK button. Your computer is now ready to use the Router’s DHCP function.

  • Page 32: Access The Web-based Manager

    DSL-502G ADSL Router User’s Guide Access the Web-based Manager The Manager PC can now use a web browser to communicate with the Router. Note: Be sure that the web browser on the Manager PC is not configured to use a proxy server in the Internet settings.

  • Page 33: Configure The Wan Connection

    Logging in will bring up the Router/Bridge Configuration window of the web-based management module. In this window, you will see the D-Link DSL-502G folder is open revealing its contents of three subfolders. These subfolders contain menu buttons you can click on to see various menu screens used to configure the device for connection to the WAN and other functions.

  • Page 34: Pppoa Connections

    DSL-502G ADSL Router User’s Guide PPPoA Connections The default connection method used by the Router is Point-to-Point-Protocol over ATM (PPPoA). In the PPPoA Configuration window, you must enter the user name and password for network account authentication and verification. When this information is entered, the changes must be saved and the Router restarted. Figure 8.

  • Page 35

    DSL-502G ADSL Router User’s Guide Click on the OK button on the bottom of the window. A new screen appears: The Save changes and reboot system? message prompt offers two option: A. You can save the configuration changes and restart the device now by clicking OK;...

  • Page 36: Changing The Connection Protocol

    DSL-502G ADSL Router User’s Guide Changing the Connection Protocol The default connection method used by the Router for the WAN connection is PPP over ATM. If you wish to use this method, it is not necessary to change this setting. However, if you will use a static IP address for a “Bridged Ethernet”...

  • Page 37: Pppoe Connections

    DSL-502G ADSL Router User’s Guide PPPoE Connections Although the connection methods differ significantly, from the viewpoint of the ADSL subscriber, there is little difference between the two variations of PPP connections. The information entered for PPPoE connections is the same as that used for PPPoA connections. Once you have changed the connection method to PPPoE, saved the configuration change and restarted the device, you can proceed to enter authentication information used to connect to the WAN.

  • Page 38: Rfc 1483 Bridged Ethernet Connections

    DSL-502G ADSL Router User’s Guide Click on the OK button on the bottom of the window. A new screen appears: The Save changes and reboot system? message prompt offers two option: A. You can save the configuration changes and restart the device now by clicking OK;...

  • Page 39: Changing The User Name And Password

    DSL-502G ADSL Router User’s Guide Changing the User Name and Password Before you configure the Router and connect to the WAN you should change the user name and password used to access the web-based manager. Open the Maintenance folder and click on the System Username and Password button to change the manager username and password.

  • Page 40: Connect To Wan

    DSL-502G ADSL Router User’s Guide Connect to WAN Once you have configured the Router, saved changes and restarted it, you can connect the manager PC to the Internet. The procedure is the same for PPPoE and PPPoA connections. Connect with PPP (PPPoE and PPPoA) If you have enabled the Connect on Demand feature, the Router will have established the WAN connection upon restarting.

  • Page 41: Web-based Management

    DSL-502G ADSL Router User’s Guide Web-based Management The DSL-502G offers a web-based (HTML) graphical user interface allowing users to manage the Router from anywhere on the LAN using a standard browser, software such as Netscape Navigator or Microsoft Internet Explorer. The web browser is used for direct communication with the Router using HTTP protocol. Accessing the Web Manager In order to access the web-based management interface it will be necessary to have both the manager’s PC and the Router on the same IP subnet.

  • Page 42: Web Manager Interface

    Folders and Menus The web manager interface is divided into two sections, the left side displays an open folder labeled D-Link DSL-502G. The subfolders inside are labeled Configuration, Maintenance and Summary. The contents of these subfolders differs depending on the connection profile of the device. The figure to the right reveals the contents of the folders when the device is configured to serve as a router (Router with PPPoA or PPPoE connections).

  • Page 43: Adding A New Connection Profile

    DSL-502G ADSL Router User’s Guide Adding a New Connection Profile Use the Connection Profile menu to add, change or delete connection profiles. This menu is used to change the VPI/VCI settings for the device. Figure 13. Connection Profile Menu The Connection Profile screen contains a numbered list of existing profiles is as follows: Profile Name Connection profile name Virtual Path Identifier...

  • Page 44: Figure 14. Connection Profile Configuration

    DSL-502G ADSL Router User’s Guide New Connection Profile Configuration Figure 14. Connection Profile Configuration Use the Connection Profile Configuration menu to change the following parameters: Profile Name Type in a new name for this profile. Type in the new VPI setting (0-255) Type in the new VCI setting (32-65535) From the drop-down menu select Router with PPPoA, Router with Connection Type...

  • Page 45: Ip Address On Lan

    DSL-502G ADSL Router User’s Guide IP Address on LAN Use this menu to change the LAN IP address of the Router. Figure 15. Ethernet IP Address Menu The Ethernet IP Address displays the current LAN IP settings of the Router. To change the IP address, type in the new IP Address and Subnet Mask in the spaces provided and click on the OK button.

  • Page 46: Router Configuration

    DSL-502G ADSL Router User’s Guide Router Configuration The DSL-502G serving as a router has a different role than it does when it is configured to be a bridge. This section discusses the different menus used for configuration when it serves as a router. The device is configured as a router when using a connection profile characterized by a PPPoE, PPPoA or IPoA connection.

  • Page 47: Ipoa Configuration

    DSL-502G ADSL Router User’s Guide When you finished making changes to the PPP configuration, click the OK button to save the changes. It will be necessary to restart the Router for the new configuration to go into effect. PPPoE Information This read-only field provides information regarding the status of the Router connection to the WAN.

  • Page 48: Figure 17. Proxy Dns Menu

    DSL-502G ADSL Router User’s Guide To assign the global IP settings manually, type the IP Address, Subnet Mask and Default Gateway IP settings given assigned by your network service provider, and click OK. Clicking OK will bring up the Save and reboot system. Proxy DNS Settings You may use the Router to provide DNS services for work stations on your LAN.

  • Page 49: Figure 18. Dhcp Configuration Menu

    DSL-502G ADSL Router User’s Guide DHCP Configuration Us e the DHCP Configuration on LAN menu to configure the Router to act as a DHCP server for the LAN. Figure 18. DHCP Configuration Menu Configure LAN DHCP services by defining the following parameters: Start IP Address Type in the base address for the IP pool of unassigned IP addresses.

  • Page 50: Figure 19. Nat Configuration Menu

    DSL-502G ADSL Router User’s Guide NAT Configuration Network Address Translation (NAT) is a routing protocol that allows your network to become a private network that is isolated from, yet connected to the Internet. It does this by changing the IP address of packets from a global IP address usable on the Internet to a local IP address usable on your private network (but not on the Internet) and vice-versa.

  • Page 51: Figure 20. Port Redirection Add Menu

    DSL-502G ADSL Router User’s Guide DMZ IP Address NAT may conflict with certain interactive applications such as video conferencing or playing Internet video games. For these applications, a NAT bypass can be set up using a DMZ IP address. The DMZ IP address is a “visible”...

  • Page 52: Figure 21. Redirect Port – Add Menu

    DSL-502G ADSL Router User’s Guide Port Redirection (continued) Figure 21. Redirect Port – Add Menu The Redirect Port window presents eight entry fields: Comment Assign an appropriate name to the new route. Internet Port Enter the designated TCP or UDP protocol port number or use a well-know port for the particular protocol packet you wish to redirect.

  • Page 53: Figure 22. Static Route Configuration Table

    DSL-502G ADSL Router User’s Guide Static Route Configuration Use Static Routing to specify a route used for data traffic within your LAN. This can be used to specify that all packets destined for a particular subnet use a predetermined gateway. Figure 22.

  • Page 54: Figure 23. Static Route Configuration Menu

    DSL-502G ADSL Router User’s Guide Static Route Configuration – Modify/Add Figure 23. Static Route Configuration Menu To add or modify a static route, define the following parameters: Name Provide a name for the static route or subnet (optional). IP Address Type in the IP address of the subnet or device where packets are routed.

  • Page 55: Figure 24. Filter & Firewall Menu 1

    DSL-502G ADSL Router User’s Guide Advanced Filter & Firewall One of the most important elements of any network security implementation is the firewall. Packet filtering is a basic firewall security measure and should be used on any network that is exposed to security risk. A packet filter system examines data packets and scrutinizes them in order to control network access.

  • Page 56: Figure 25. Filtering & Firewall – Set # Menu

    DSL-502G ADSL Router User’s Guide Create or Modify Packet Filtering To define new filtering rules or modify an existing one follow these steps: 1. In the first Advanced Filtering and Firewall window, click on the set number you wish to configure to proceed to the Set # window.

  • Page 57

    DSL-502G ADSL Router User’s Guide For each rule in a set, you may define the following parameters: Type in an appropriate identifying comment for the rule. Comment Select Pass or Block to perform this action on packets as defined below. Pass or Block Direction Select In or Out to pass or block packets coming in or going out of the...

  • Page 58: Figure 27. Rip Menu

    DSL-502G ADSL Router User’s Guide To enable RIP or specify use of Version 1 or 2 access the RIP menu. Figure 27. RIP Menu Select to use RIPv1, RIPv2 or On (both versions) for the LAN and WAN interface. To disable both versions of RIP select Off.

  • Page 59: Bridge With Rfc 1483 Configuration

    DSL-502G ADSL Router User’s Guide Bridge with RFC 1483 Configuration Menu options for the DSL-502G are different when the connection profile specifies Bridge with RFC 1483 since it is acting in the capacity of a bridge rather than a router. You can see from the figure below that there are fewer menu options for device configuration.

  • Page 60: Figure 29. Bridge Configuration Menu

    DSL-502G ADSL Router User’s Guide Bridge Configuration Figure 29. Bridge Configuration Menu To change the Encapsulation Method, click LLC or VC mux as specified by your service provider and click the OK button. You will see the Save changes and reboot system? menu. The default encapsulation setting is LLC. This menu may also be used change the connection method in the Connection Profile drop-down menu.

  • Page 61: Figure 30. Layer 2 Filter Menu

    DSL-502G ADSL Router User’s Guide Layer 2 Filtering (bridge mode only) The Layer 2 filtering option is available in the bridge configuration folder, it is not an option when the device is configured as a router. By default, the bridge will pass all packets in either direction. You may specify that certain types of packets be dropped in order to free up bandwidth or improve security.

  • Page 62: Maintenance

    DSL-502G ADSL Router User’s Guide Maintenance The Maintenance folder contains the same menus for bridge and router configurations with the exception of the Remote Administration Access option, available only for router configurations. ATM Loopback Test ATM loopback tests are used to verify connectivity and path integrity along a specified ATM circuit. In the test, a cell is sent to an endpoint or to the end of the first segment of the ATM path.

  • Page 63: Figure 32. User Name And Password Menu

    DSL-502G ADSL Router User’s Guide System Username and Password Use this screen to change the username and password used to access the Web Manager. The Web Manager can be accessed remotely from outside the LAN when it is functioning in router mode using the Remote Administration Access menu (described in a later section).

  • Page 64: Figure 34. Restart System Window

    DSL-502G ADSL Router User’s Guide When the Restart System window appears, click the Restart button. Figure 34. Restart System Window Factory Reset The DSL-502G can be reset to the default configuration for all settings using the Factory Reset option. This will also change the both the LAN and WAN IP address of the device, so these will need to be reconfigured accordingly.

  • Page 65: Figure 36. Update Firmware Screen

    DSL-502G firmware by logging onto the D-Link web site at www.dlink.com. Access the D-Link web site by clicking on the D-Link logo in the upper left corner of the browser window. Save the latest firmware version to a file on the Manager PC or accessible server.

  • Page 66: Figure 38. Remote Administration Access

    DSL-502G ADSL Router User’s Guide Remote Administration Access (Router mode only) The Router can be administered using a PC located outside the LAN. Permission to allow remote management must first be allowed by enabled remote management. Figure 38. Remote Administration Access Enable remote access to the web manager by selecting Yes and clicking OK.

  • Page 67: Figure 39. Router Summary Statistics

    DSL-502G ADSL Router User’s Guide The contents of the Summary folder differ depending on the mode of operation used by the device. In router mode, the folder offers two additional screens, a DHCP table and a runtime routing table. In addition, the Summary chart contains different information.

  • Page 68: Figure 40. Bridge Summary Screen

    DSL-502G ADSL Router User’s Guide Bridge Summary Figure 40. Bridge Summary Screen In bridge mode, the device does not contain information associated with router functions in the Summary screen.

  • Page 69: Figure 41. Line Condition

    DSL-502G ADSL Router User’s Guide Line Condition In the Line Condition window you can monitor the characteristics of the ADSL connection and confirm that it has been established. Line Condition Protocol Current data path type Fast or Data Path Interleaved Modulation technique used for Operation Mode ADSL connection, G.DMT or G.lite...

  • Page 70

    DSL-502G ADSL Router User’s Guide Carrier Chart The Carrier Chart illustrates the data rates distributed across the upstream and downstream frequency ranges. Carrier Chart This chart can be used to gauge signal quality for the entire upstream (lower portion) and downstream (upper portion) range of discrete modular tones.

  • Page 71: Figure 42. Dhcp Allocation Table

    DSL-502G ADSL Router User’s Guide DHCP Allocation Table (Router mode only) The DHCP Allocation Table provides a summary of current IP setting allocation for the network. Figure 42. DHCP Allocation Table Information listed in the DHCP Allocation Table includes the following: Index Index reference number for entry.

  • Page 72: Figure 43. Runtime Routing Table

    DSL-502G ADSL Router User’s Guide Runtime Routing Table (Router mode only) The Runtime Routing Table provides a summary of dynamic and static routing information for both the LAN and WAN interface. Figure 43. Runtime Routing Table Information listed in the Runtime Routing Table includes the following: IP address of network, subnet or device used for route IP Address Subnet Mask...

  • Page 73: Technical Specifications

    DSL-502G ADSL Router User’s Guide Technical Specifications GENERAL ITU G.992.1 (G.dmt) RFC 1661 (PPP) ITU G.992.2 (G.lite) RFC 1994 (CHAP) ITU G.994.1 (G.Hs) RFC 1334 (PAP) ITU-T Rec. I.361 RFC 2364 (PPP over ATM) ITU-T Rec. I.610 RFC 1631 (NAT) IEEE 802.3 RFC 1877 (Automatic IP assignment)

  • Page 74

    DSL-502G ADSL Router User’s Guide Physical and Environmental DC inputs: Input: 120V AC, 1.0A, 60Hz Power Adapter: Output: 9V AC, 1A Power 10 Watts (Max) Consumption: Operating 0° to 50° C (32° - 122° F) Temperature: Humidity: 5 to 95% (non-condensing) Dimensions: 137 mm x 183 mm x 31 mm Weight:...

  • Page 75: Lan Ip Setup

    DSL-502G ADSL Router User’s Guide LAN IP Setup The DSL-502G is designed to provide network administrators maximum flexibility for IP addressing on the Ethernet LAN. The easiest IP setup choice in most cases is to let the Router do it using DHCP, which is enabled by default.

  • Page 76: Changing The Ip Address Of The Router

    DSL-502G ADSL Router User’s Guide Please note that when using the default IP address as in the above example, the first three numbers in the IP address must always be the same with only the fourth number changing. The first three numbers define the network IP address (all machines must belong to the same IP network), while the last number denotes the host IP address (each computer must have a unique address to distinguish it on the network).

  • Page 77: Ip Concepts

    DSL-502G ADSL Router User’s Guide IP Concepts This appendix describes some basic IP concepts, the TCP/IP addressing scheme and show how to assign IP Addresses. When setting up the Router, you must make sure it has a valid IP address. Even if you will not use the WAN port (ADSL port), you should, at the very least, make sure the Ethernet LAN port is assigned a valid IP address.

  • Page 78

    DSL-502G ADSL Router User’s Guide Networks attached to the Internet are assigned class types that determine the maximum number of possible hosts per network. The previous figure illustrates how the net and host portions of the IP address differ among the three classes.

  • Page 79: Subnet Mask

    DSL-502G ADSL Router User’s Guide It is recommended that you choose private network IP Addresses from the above list. For more information on address assignment, refer to RFC 1597, Address Allocation for Private Internets and RFC 1466, Guidelines for Management of IP Address Space. Subnet Mask In the absence of subnetworks, standard TCP/IP addressing may be used by specifying subnet masks as shown below.

  • Page 80: Dsl-502g Firmware Upgrade Utility

    LAN from a remote host. You also need to download the latest firmware version file from the D-Link web site to the PC on which you will use the Upgrade Utility. Instructions for downloading the firmware are located on the web site at www.dlink.com.

  • Page 81

    DSL-502G ADSL Router User’s Guide In the new window you will see the MAC address of the Router and the IP address of the PC you are using. The PC and the Router must be on the same subnet for the upgrade to be completed. The upgrade utility will suggest a new IP address to be temporarily assigned to the device during the firmware upgrade procedure.

  • Page 82: Microfilters And Splitters

    DSL-502G ADSL Router User’s Guide Microfilters and Splitters Most ADSL clients will be required to install a simple device that prevents the ADSL line from interfering with regular telephone services. These devices are commonly referred to as microfilters or sometimes called (inaccurately) line splitters.

  • Page 83: Line Splitter

    DSL-502G ADSL Router User’s Guide Line Splitter If you are instructed to use a “line splitter”, you must install the device between the Modem and the phone jack. Use standard telephone cable with standard RJ-11 connectors. The splitter has three RJ-11 ports used to connect to the wall jack, the Modem and if desired, a telephone or telephone device.

  • Page 85

    (90) days after any repaired or replaced Hardware is delivered. If a material defect is incapable of correction, or if D-Link determines in its sole discretion that it is not practical to repair or replace the defective Hardware, the price paid by the original purchaser for the defective Hardware will be refunded by D-Link upon return to D-Link of the defective Hardware.

  • Page 86

    This limited warranty provides specific legal rights and the product owner may also have other rights which vary from state to state. Trademarks: Copyright 2001 D-Link Corporation. Contents subject to change without prior notice. D-Link is a registered trademark of D- Link Corporation/D-Link Systems, Inc.

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