3Com WL-537 User Manual
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3Com WL-537 User Manual

Wireless 54mbps/108mbps 11g cable/dsl router
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See also: Installation Manual
OfficeConnect
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Wireless 54Mbps/108Mbps 11g Cable/DSL
Router User Guide
3CRWER100-75(Model:WL-537)
3CRWER200-75(Model:WL-537S)
http://www.3com.com/

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Summary of Contents for 3Com WL-537

  • Page 1 OfficeConnect ® Wireless 54Mbps/108Mbps 11g Cable/DSL Router User Guide 3CRWER100-75(Model:WL-537) 3CRWER200-75(Model:WL-537S) http://www.3com.com/...
  • Page 2 3Com Corporation reserves the right to revise this documentation and to make changes in content from time USA 01752-3064 to time without obligation on the part of 3Com Corporation to provide notification of such revision or change. 3Com Corporation provides this documentation without warranty, term, or condition of any kind, either implied or expressed, including, but not limited to, the implied warranties, terms or conditions of merchantability, satis34factory quality, and fitness for a particular purpose.

  • Page 3: Naming Convention

    Most user guides and release notes are available in Adobe Acrobat Reader Portable Document Format (PDF) on the 3Com World Wide Web site: http://www.3com.com Naming Convention Throughout this guide, the OfficeConnect Wireless 54Mbps/108Mbps 11g Cable/DSL Router is referred to as the “Router”.
  • Page 4 Feedback about this Your suggestions are very important to us. They will help make our User Guide documentation more useful to you. Please e-mail comments about this document to 3Com at: pddtechpubs_comments@3com.com Please include the following information when commenting: ■...
  • Page 5 Example: OfficeConnect Wireless 54Mbps/108Mbps 11g cable/DSL Router User ■ Guide Part Number DUA0554-TAAA02 ■ Page 24 ■ Do not use this e-mail address for technical support questions. For information about contacting Technical Support, please refer to the Support and Safety Information sheet. Related In addition to this guide, each Router document set includes one Documentation...
  • Page 6 BOUT UIDE...

  • Page 7: Introducing The Router

    Welcome to the world of networking with 3Com business environment, communication and sharing information is crucial. Computer networks have proved to be one of the fastest modes of communication but, until recently, only large businesses could afford the networking advantage. The OfficeConnect has changed all this, bringing networks to the small office.
  • Page 8 1: I HAPTER NTRODUCING THE OUTER Figure 1 Example Network Without a Router When you use the Router in your network (Figure 2), it becomes your connection to the Internet. Connections can be made directly to the Router, or to an OfficeConnect Switch or Hub, expanding the number of computers you can have in your network.

  • Page 9: Router Advantages

    Router Advantages The advantages of the Router include: ■ ■ ■ ■ ■ ■ ■ ■ ■ Package Contents The Router kit includes the following items: ■ ■ ■ ■ ■ ■ ■ ■ If any of these items are missing or damaged, please contact your retailer. Shared Internet connection for both wired and wireless computers High speed 802.11g wireless networking No need for a dedicated, “always on”...

  • Page 10: Minimum System And Component Requirements

    1: I HAPTER NTRODUCING THE Minimum System Your Router requires that the computer(s) and components in your and Component network be configured with at least the following: Requirements ■ ■ ■ ■ ■ ■ Front Panel The front panel of the Router contains a series of indicator lights (LEDs) that help describe the status of various networking and connection operations.
  • Page 11 The Router has just been started up and is running a self-test routine, ■ The administrator has invoked the Reset to Factory Defaults ■ command, or The system software is in the process of being upgraded ■ In each of these cases, wait until the Router has completed the current operation and the alert LED is Off.

  • Page 12: Rear Panel

    1: I HAPTER NTRODUCING THE 5 Cable/DSL Status LED Green (100 Mbps link) / yellow (10 Mbps link) If the LED is on, the link between the Router and the cable or DSL modem is OK. If the LED is flashing, the link is OK and data is being transmitted or received.
  • Page 13 Rear Panel 9 Ethernet Cable/DSL port Use the supplied patch cable to connect the Router to the Ethernet port on your cable or DSL modem. The port will automatically adjust to the correct speed and duplex, and will set itself to MDI or MDIX depending on the device to which they are connected and the type of cable used.
  • Page 14 1: I HAPTER NTRODUCING THE OUTER...

  • Page 15: Hardware Installation

    Introduction This chapter will guide you through a basic installation of the Router, including: ■ ■ ■ Safety Information WARNING: Please read the before you start. VORSICHT: Bitte lesen Sie den Abschnitt sorgfältig durch, bevor Sie das Gerät einschalten. AVERTISSEMENT: Veuillez lire attentivement la section importantes de sécurité”...

  • Page 16: Wall Mounting

    Water or moisture cannot enter the case of the unit. Air flow around the unit and through the vents in the side of the case is not restricted. 3Com recommends you provide a minimum of 25 mm (1 in.) clearance.

  • Page 17: Before You Install Your Router

    When making connections, be careful not to push the unit up and off the wall. CAUTION: Only wall mount single units, do not wall mount stacked units. Before you Install Before you install and configure your Router, you need the following your Router additional information.

  • Page 18: Powering Up The Router

    2: H HAPTER ARDWARE NSTALLATION If your ISP allocates fixed or static IP information, you need the following information: If your ISP allocates IP information dynamically over a protocol other than PPPoE, you do not need any further information. This configuration is typical of cable connections.
  • Page 19 Router to communicate with the Internet. 3Com recommends that you perform the initial Router configuration from a computer that is directly connected to one of the LAN ports.
  • Page 20 2: H HAPTER ARDWARE NSTALLATION To communicate wirelessly with your Router, your wireless NIC should be set as follows: ■ ■ ■ Encryption — none Service Area Name/SSID — 3Com Channel — 11...

  • Page 21: Setting U P Your Computers

    The Router has the ability to dynamically allocate network addresses to the computers on your network, using DHCP. However, your computers need to be configured correctly for this to take place. To change the configuration of your computers to allow this, follow the instructions in this chapter.
  • Page 22 3: S HAPTER ETTING Figure 6 Local Area Properties Screen 6 Ensure that the options Obtain an IP Address automatically, and Obtain DNS server address automatically are both selected as shown in Click OK. Figure 7 Internet Protocol (TCP/IP) Properties Screen 7 Restart your computer.
  • Page 23 Windows XP If you are using a Windows XP computer, use the following procedure to change your TCP/IP settings: 1 From the Windows Start menu, select Control Panel. 2 Click on Network and Internet Connections. 3 Click on the Network Connections icon. 4 Double click on LAN or High Speed Connection icon.

  • Page 24: Disabling Pppoe And Pptp Client Software

    3: S HAPTER ETTING Disabling PPPoE If you have PPPoE or PPTP client software installed on your computer, you and PPTP Client will need to disable it. To do this: Software 1 From the Windows Start menu, select Settings > Control Panel. 2 Double click on Internet Options.

  • Page 25: Accessing The Wizard

    Accessing the The Router setup program is Web-based, which means that it is accessed Wizard through your Web browser (Netscape Navigator 4.7 or higher, Internet Explorer 5.0 or higher, or Mozilla 1.2.1 or higher). To use the Setup Wizard: 1 Ensure that you have at least one computer connected to the Router. Refer to 2 Launch your Web browser on the computer.
  • Page 26 4: R HAPTER UNNING THE ETUP IZARD Figure 10 Router Login Screen 5 If the password is correct, the Country Selection screen will appear. Select the country you wish to configure the Router for, then click Apply. (Figure If your purchased your Router in the United States, you do not see this screen, as it is automatically set.
  • Page 27 6 When you have selected a country either: The Welcome screen will appear ■ and click Wizard. If your Router has not been configured before, the Wizard will launch ■ automatically (refer to 7 Click Next. 8 You will be guided step by step through a basic setup procedure. Figure 12 Welcome Screen Accessing the Wizard (Figure...
  • Page 28 Old Password, then a new password in both the New Password and Confirm Password boxes. 3Com recommends entering a new password when setting up the Router for the first time. The Router is shipped from the factory with a default password, admin.
  • Page 29 Accessing the Wizard 2. Write the new password down and keep it in a safe place, so that you can change your settings in the future. Click Next to display the Time Zone setup screen (Figure 15). Time Zone Figure 15 Time Zone Screen Select your time zone from the pull-down menu, check the daylight savings option if required, and then click Next.
  • Page 30 4: R HAPTER UNNING THE ETUP Internet connection mode, have the modem setting information from your ISP ready. Select an Internet Addressing mode from the following: ■ ■ ■ ■ and click Next. PPPoE Mode Figure 17 PPPoE Screen To setup the Router for use with a PPP over Ethernet (PPPoE) connection, use the following procedure: 1 Enter your PPP over Ethernet user name in the PPPoE User Name text box.
  • Page 31 Do not enter anything in this box if your ISP does not require a service name. 4 Enter the MTU value supplied by your ISP in the MTU text box. If your ISP has not supplied an MTU value, leave this at the default value. The default is 1454.
  • Page 32 4: R HAPTER UNNING THE ETUP 3 If your ISP requires an assigned MAC address, select Yes, I would like to enter a MAC address manually and enter the values for a MAC address if required was previously connected directly to the cable modem, choose Yes, please clone the MAC address from the PC I’m currently using.
  • Page 33 PPTP Mode Figure 21 PPTP Mode Screen To setup the Router for use with a PPTP connection, use the following procedure: 1 Enter your PPTP server address in the PPTP Server Address text box. 2 Enter your PPTP user name in the PPTP User Name text box. 3 Enter your PPTP password in the PPTP Password text box.
  • Page 34 4: R HAPTER UNNING THE ETUP IZARD Figure 22 PPTP IP Settings 8 IP settings must be used when establishing a PPTP connection. Fill in the Initial IP Address and the Initial Subnet Mask fields if your ISP has provided you with these settings. Alternatively, if the PPTP server is located in your DSL modem, click Suggest to select an IP address on the same subnet as the PPTP server.
  • Page 35 Heart Beat Signal Mode(For Australia only) Figure 23 Heart Beat Signal Mode Screen To set up the Router for use with an L2TP connection, use the following procedure: 1 IT is a service used in Australia only. If you are using Heart Beat Signal connection, check with your ISP for the necessary setup information.
  • Page 36 4: R HAPTER UNNING THE ETUP IZARD LAN Settings Figure 24 LAN IP Address Screen This screen displays a suggested LAN IP address and subnet mask of the Router. It also allows you to change the IP address and subnet mask. DHCP The Router contains a Dynamic Host Configuration (DHCP) server that can automatically configure the TCP/IP settings of every computer on...
  • Page 37 Router to automatically select an available channel when first powered on. The Service Area Name default for 3Com products is “3Com”. Up to 32 (case sensitive) characters can be entered for the Service Area Name. 3Com strongly recommends that you change the SSID to something other than the default.
  • Page 38 Figure 27 Configuration Summary Screen When you complete the Setup Wizard, a configuration summary will display. 3Com recommends that you verify the configuration information of the Router and then print this page for your records. Click Finish to display the Wizard completed screen, shown in...
  • Page 39 Accessing the Wizard Figure 28 Wizard Completed Screen If you have made changes to the LAN Settings or wireless configuration options, you may need to reconfigure the computer you are using in order to make contact with the Router again. Your Router is now configured and ready for use.
  • Page 40 4: R HAPTER UNNING THE ETUP IZARD...

  • Page 41: Navigating Through The Router Configuration Pages

    Navigating This chapter describes all the screens available through the Router Through the Router configuration pages, and is provided as a reference. To get to the Configuration configuration pages, browse to the Router by entering the URL in the Pages location bar of your browser.

  • Page 42: Getting Help

    Status and Logs — displays the current status and activity logs of the Router. Support/Feedback — contains a comprehensive online help system and allows you to provide 3Com with feedback on your Router. Figure 29 for example). To access a...
  • Page 43 The Notice Board is used to display configuration warning messages. For example, you would be warned if you had disabled wireless networking or wireless encryption. Password Figure 30 Password Screen Changing the Administration Password You can change the password to prevent unauthorized access to the Administration System.

  • Page 44: Lan Settings

    5: R HAPTER OUTER ONFIGURATION Wizard Figure 31 Wizard Screen Click WIZARD... to launch the configuration wizard. Refer to Chapter 4 for information on how to run the wizard. LAN Settings The LAN Settings menu provides the following options: Unit Configuration Figure 32 Unit Configuration Screen...
  • Page 45 IP Pool Start Address, or the IP Pool End Address, or both. 4 If you use 3Com NBX telephones, enter the IP address of the NBX call processor at 3Com NBX Call Processor.

  • Page 46: Wireless Settings

    5: R HAPTER OUTER ONFIGURATION Wireless Settings The Wireless Settings menu provides options described in the following sections. To improve the security of your wireless network, 3 Com recommends that you: 1.Change the SSID from its default value 2.Enable Encryption 3.Enable Connection Control...
  • Page 47 LAN Settings Figure 34 Configuration Screen Configuration Enable Wireless Networking Use this check box to enable or disable the wireless secion of your LAN. When disabled, no wireless PCs can gain access to either the internet or other PCs on your Wired or Wireless LAN through this Router. Channel Selection Select a number from the drip-down list to specify which Channel the Router will transmit and receive on.
  • Page 48 The Service Area Name may also be referred to as "ESSID" depending on your networking vendor. By default the Router uses the name "3Com". 3Com recommends that you change the default name.
  • Page 49 WPA provides a higher level of security, provided by its longer key and dynamic changes made to the key over time. 3Com recommends that you use WPA with any clients which support it.
  • Page 50 5: R HAPTER OUTER ONFIGURATION To enable WEP, select WEP from the Security Mode. Encryption: Choose from 64 bits or 128 bits Passphrase:You can enter a passphrase and click on the Generate button and the router will automatically generate four WEP keys for you. WEP Key1-4:Manaually assign a passphrase for each key.
  • Page 51 LAN Settings To enable WPA, select WPA-PSK or WPA2-PSK from the Security Mode. Encryption Methods: Select either TKIP or AES as the encryption method. Passphrase:Enter a passphrase between 8 to 63 characters long. Key Renewal:Enter the desired key renewal time in seconds. Click Save to save the setting.

  • Page 52: Wpa With Radius

    5: R HAPTER OUTER ONFIGURATION WPA with RADIUS If you are using a RADIUS server in your network for authentication, you may choose WPA or WPA2 from the Security Mode. Encryption Methods: Select either TKIP or AES as the encryption method.

  • Page 53: Connection Control

    LAN Settings Connection Control You can restrict certain wireless clients from accessing the router by specifying their MAC address and enabling access restrictn. Select Enabled from the drop-down menu and choose whether the specified wireless clients will be prevented or permitted to access the wireless network.
  • Page 54 5: R HAPTER OUTER ONFIGURATION Client List Screen Client List The Wireless Client List provides details on the devices that are connected to the Wireless LAN. The list is only created when Wireless Networking is enabled. For each device that is connected to the Wireless Lan, the MAC address and Connection Speed of that device is displayed.

  • Page 55: Internet Settings

    Advanced Wireless Settings Advanced Wireless Settings Screen You can configure various advanced wireless settings on this screen. Click Save to save the setting. Internet Settings Before you can configure the Router, you need to know the IP information allocation method used by your ISP. There are four different ways that ISP scan allocate IP information, as described below: The ISP provides the IP addressing information for you to enter manually.
  • Page 56 5: R HAPTER OUTER ONFIGURATION Router you will need to know the following: ■ ■ ■ When you install the Router, you will not need to use the PPPoE software on your PC. User name Password Service Name(ifrequired by your ISP)
  • Page 57 PPTP (DSL or Cable) PPTP is only used by some European providers. If the installation instructions that accompany your modern ask you to setup a dialup connection using a PPTP VPN tunnel then select this option. To configure the Router you will need to know the following: User name ■...
  • Page 58 5: R HAPTER OUTER ONFIGURATION Static IP Address Connection Parameters Screen - Static IP To setup the Router for use with a Static IP address connection: 1 Select Static IP Address (to be specified manually) in the IP Allocation Mode field. 2 Enter your IP Address in the IP Address text box.
  • Page 59 Dynamic IP Address Figure 35 Connection Parameters Screen - Dynamic IP If this mode is selected, your IP Address, Subnet Mask, and DNS Address will be obtained automatically from your ISP. They are not displayed on this screen, but may be viewed on the Status screen (click on Status and Logs on the left hand menu bar).
  • Page 60 5: R HAPTER OUTER ONFIGURATION ■ ■ 4 Check all settings and click Save. PPP over Ethernet PPPoE Setup Screen To setup the Router for use with a PPP over Ethernet connection, use the following procedure: 1 Select PPP over Ethernet in the IP Allocation Mode field. 2 Enter the Host Name (optional).
  • Page 61 3 Enter your PPP over Ethernet user name in the PPPoE User Name text box. 4 Enter a password in the PPPoE Password text box. 5 Enter your PPP over Ethernet service name in the PPPoE Service Name text box. Not all ISPs require a PPPoE service name. Only enter a service name if your ISP requires this.
  • Page 62 5: R HAPTER OUTER ONFIGURATION To setup the Router for use with a PPTP connection, use the following procedure: 1 Select PPTP (used by some European providers) in the IP Allocation Mode field. 2 Enter your PPTP server address in the PPTP Server Address text box (this is typically the address of your modem).
  • Page 63 Heart Beat Signal Check with your ISP to make sure they support Heart Beat Signal. To set up the Router for use with a Heart Beat Signal connection, use the following procedure: 1 Select Heart Beat Signal (For Australia only) in the IP Allocation Mode field.

  • Page 64: Virtual Dmz

    5: R HAPTER OUTER ONFIGURATION Firewall On the main frame of the Firewall setup screen is a menu with six tabs: Virtual Servers, Special Applications, PCs Privileges, URL Filter, Content Filter and SPI. Virtual Servers Selecting the Firewall option on the main menu displays the Virtual Servers setup screen.
  • Page 65 Firewall Virtual Server Activating and configuring a virtual server allows one or more of the computers on your network to function as a public server. For example, one of your computers could be configured as an FTP server, allowing others outside of your office network to download files of your choosing. Or, if you have created a Web site, you can configure one of your computers as a Web server, so that others can view your Web site.
  • Page 66 5: R HAPTER OUTER ONFIGURATION Special Applications Special Applications Screen Select Special Apps tab to display Authorized Application setup screen. Some software applications require special or multiple connections to the Internet and these would normally be blocked by the firewall. For example Internet Telephony or Video conferences require multiple connections.
  • Page 67 Firewall Only one computer on your network can use the special application at any one time. SPI Select Firewall from the main menu, then select the SPI to display the SPI screen. SPI Screen Check the Enable SPI and Anti-Dos Firewall protection check box to enable SPI.
  • Page 68 5: R HAPTER OUTER ONFIGURATION QoS(Quality of Service) manages information as it is transmitted and received. It ensures better service to those application with a higher priority. Click Save to save the setting. Internet Access Policy You can setup policies that deny or allow specific clients to access the Internet.
  • Page 69 Firewall Status:Choose to enable or disable the selected policy. PCs:Click on the Edit List button to specify the network clients. Policy only applies to the PCs that are in the list. You can specify each client by its MAC Addressor IP Address. You can also specify a group of clients by entering their IP Address Range.
  • Page 70 5: R HAPTER OUTER ONFIGURATION Website Blocking You can block the specified clients from accessing certain websites by URL or Keyword. Enter the URL or the Keyword you wish to block. Click Save to save the setting. To view all the policies, click the Summary button.
  • Page 71 You can subscribe to the 3Com Content Filter Service, which enables you to block or allow the URL of a number of pre-defined categories. The Router comes with a 14-day free trial of the 3Com Content Filter Service. To activate the 14-day free trial of the service, you must first register your Router at www.3com.com.
  • Page 72 5: R HAPTER OUTER ONFIGURATION To activate Content Filtering: 1 Select Firewall form the main menu, then select the Content Filter tab. The Content Filter screen displays. Figure63 Content Filter Screen 2 Make sure the Enable Content Filter check box is checked. 3 Select the Content Filter Server that you require from the drop-down list.
  • Page 73 Firewall System Tools The main frame of the System Tools screen includes four administration items: Restart, Time Zone, Configuration, and Upgrade. Restart Restart Screen If your Router is not operating correctly, you can choose to restart the Router by selecting Restart the Router, simulating the effect of power cycling the unit.
  • Page 74 5: R HAPTER OUTER ONFIGURATION Time Zone Time Zone Screen Choose the time zone that is closest to your actual location. The time zone setting is used by the system clock when displaying the correct time in the log files. If you use Daylight saving tick the Enable Day Light savings box, and then click Save.
  • Page 75 Firewall Configuration Configuration Screen Select the Configuration tab to display the Configuration screen . Backup Configuration Click BACKUP to save the current Router configuration. You will be prompted to download and save a file to disk. Restore Configuration Data If you want to reinstate the configuration settings previously saved to a file, press Browse to locate the backup file on your computer, and then click RESTORE to copy the data into the Router's memory.
  • Page 76 Upgrade Screen The Upgrade facility allows you to install on the Router any new releases of system software that 3Com may make available. To install new software, you first need to download the software from the 3Com support web site to a folder on your computer. Once you have done this, select Browse to tell your web browser where this file is on your computer, and then click Apply.
  • Page 77 The upgrade procedure can take up to two minutes, and is complete when the Alert LED has stopped flashing and is permanently off. Make sure that you do not interrupt power to the Router during the upgrade procedure; if you do, the software may be corrupted and the Router may not start up properly afterwards.
  • Page 78 5: R HAPTER OUTER ONFIGURATION The Router supports the Routing Information Protocol (RIP). RIP allows you to set up routing information on one RIP enabled device, and have that routing information replicated to all RIP enabled devices on the network. LAN and WAN interfaces can be configured independently of each other.
  • Page 79 Advanced DDNS Dynamic Domain Name Server (DDNS) enables you to map a static domain name to a dynamic IP address. The Router supports two DDNS providers, TZO.com and DYNDNS.org. Before you can set up DDNS, you must obtain an account, password and static domain name from your DDNS provider.
  • Page 80 5: R HAPTER OUTER ONFIGURATION 2 Select a DDNS Service provider from the drop-down list. This can be either TZO.com or DynDNS.org. TZO.com If you select TZO.com: 1 In the Domain Name text box, enter the domain name. 2 In the E-mail text box, enter the account name. 3 In the Key text box, enter the account password.
  • Page 81 Security Select Security to display the Security screen. Security Screen The Internet connects millions of computer users throughout the world. The vast majority of the computer users on the Internet are friendly and have no intention of breaking into, stealing from, or damaging your network.
  • Page 82 5: R HAPTER OUTER ONFIGURATION 3Com recommends that you leave this feature disabled for maximum security. ■ 3Com recommends that you leave this feature disabled for maximum security. ■ Enabling Remote Administration It is possible to administer the Router remotely. Select one of the following options for remote administration: ■...
  • Page 83 Advanced To remotely administer your Router, enter http://xxx.xxx.xxx.xxx:8000 in the location bar of the browser running on the remote computer, where xxx.xxx.xxx.xxx is the Internet IP address of the Router. You may then login using the administration password. Your Internet IP address can be found at the bottom of the screen. . Syslog Select Syslog to display the syslog screen.

  • Page 84: Status And Logs

    5: R HAPTER OUTER ONFIGURATION Status and Logs Selecting Status and Logs from the main menu displays the Status, Logs and Routing Table in yur Web browser window. Status The Status screen displays a tabular representation of your network and Internet connection.
  • Page 85 Status and Logs Logs Logs will allow you to view both the normal events, and security threats logged by the Router. Logs Screen Select Incoming Log or Outgoing Log from the Type drop-down menu. The Incoming Log will display a temporary log of the Source IP Addresses and Destination Port Numbers fo rthe incoming Internet trafic.
  • Page 86 5: R HAPTER OUTER ONFIGURATION Routing Table Select the Routing table tab to display routing information used by the Router. The information is displayed in the form at shown as below. Support/Feedback Selecting Support/Feedback from the main menu displays the Support and Feedback screens.
  • Page 87 Status and Logs Feedback Feedback Screen Selecting the Feedback option displays the Feedback screen and allows you to provide feedback to 3Com on the operation of your Router . This screen should not be used to obtain technical support.
  • Page 88 5: R HAPTER OUTER ONFIGURATION...

  • Page 89: Troubleshooting

    Basic Connection ■ Checks ■ ■ Browsing to the If you have connected your Router and computers together but cannot Router browse to the Router configuration screens, check the following: Configuration ■ Screens ■ ■ ■ ROUBLESHOOTING Check that the Router is connected to your computers and to the cable/DSL modem, and that all the equipment is powered on.

  • Page 90: Connecting To The Internet

    6: T HAPTER ROUBLESHOOTING ■ ■ Connecting to the If you can browse to the Router configuration screens but cannot access Internet sites on the Internet, check the following: ■ ■ ■ ■ ■ ■ ■ Connections tab and click on the LAN Settings button at the bottom. Make sure that the Proxy Server option is unchecked.

  • Page 91: Forgotten Password And Reset To Factory Defaults

    Forgotten Password If you can browse to the Router configuration screen but cannot log on and Reset to because you do not know or have forgotten the password, follow the Factory Defaults steps below to reset the Router to it’s factory default configuration. CAUTION: All your configuration changes will be lost, and you will need to run the configuration wizard again before you can re-establish your Router connection to the Internet.
  • Page 92 6: T HAPTER ROUBLESHOOTING ■ ■ ■ ■ ■ ■ ■ ■ ■ If you have a wired and a wireless NIC in the same computer, ensure that the wired NIC is disabled. Check the status of the Router Wireless LED, it should be lit if wireless is enabled and will flash when there is wireless activity.
  • Page 93 If the Power Adapter OK LED is lit but the Power LED is unlit then ■ there may be a fault with your unit. Contact 3Com Technical Support. Check that you are using the correct power adapter for your Router.

  • Page 94: Alert Led

    If the Alert LED comes on continuously again, then a fault has been detected. Locate the copy of the Router software on the accompanying CD-ROM or 3Com web site ) and upload it to the Router to see if this http://www.3com.com...

  • Page 95: Frequently Asked Questions

    Ensure that one of your computers has a copy of the new software image file stored on its hard disk or available on CD-ROM. The latest software is available on 3Com’s Web site at: www.3com.com. 1 Remove power from the Router and disconnect the Cable/DSL modem and all your computers, except for the one computer with the software image.
  • Page 96 VPN hosts on your LAN that clients elsewhere on the Internet can connect to, but this is not a recommended configuration. Updates to the Router software are posted on the 3Com support web site, accessible by visiting: http://www.3com.com The 3Com Knowledgebase at: http://knowledgebase.3com.com...
  • Page 97 Running the 3Com provides a user friendly Discovery application for detecting the Discovery Router on the network. Application Windows Installation (95/98/2000/Me/NT) 1 Insert the Router CD-ROM in the CD-ROM drive on your computer. A menu will appear; select Router Discovery.

  • Page 98: Appendix A: Using Discovery

    A: U PPENDIX SING ISCOVERY Discovered Router Screen 3 Highlight the Cable/DSL Router by clicking on it, and press Next. Discovered Finish Screen 4 Click on Finish to launch a web browser and display the login page for the Router.

  • Page 99: The Internet Protocol Suite

    IP A The Internet The Internet protocol suite consists of a well-defined set of Protocol Suite communications protocols and several standard application protocols. Transmission Control Protocol/Internet Protocol (TCP/IP) is probably the most widely known and is a combination of two of the protocols (IP and TCP) working together.
  • Page 100 B: IP A PPENDIX DDRESSING For your network to work correctly, all devices on the network must have: ■ ■ The only value that will be different is the specific host device number. This value must always be unique. An example IP address is ‘192.168.100.8’. However, the size of the network determines the structure of this IP Address.

  • Page 101: How Does A Device Obtain An Ip Address And Subnet Mask

    This type of IP Address operates on a subnet mask of ‘255.255.0.0’. See an example about how a network (only four computers represented) and a Router might be configured. IP Addressing and Subnet Masking Device PC 1 PC 2 PC 3 PC 4 Router How does a Device...
  • Page 102 B: IP A PPENDIX DDRESSING Automatic IP addressing is a scheme where devices allocate themselves an IP address at random from the industry standard subnet of 169.254.x.x (with a subnet mask of 255.255.0.0). If two devices allocate themselves the same address, the conflict is detected and one of the devices allocates itself a new address.

  • Page 103: Technical Specifications

    This section lists the technical specifications for the OfficeConnect Wireless 11g Cable/DSL Router. Wireless 11g Interfaces Cable/DSL Router Cable/DSL modem connection — 10Mbps/100Mbps dual speed Ethernet port (10BASE-T/100BASE-TX) LAN connection — four 10Mbps/100Mbps dual speed Ethernet ports (10BASE-T/100BASE-TX) WLAN Interfaces Standard IEEE 802.11g, Direct Sequence Spread Spectrum (DSSS) Transmission rate: 54Mbps, automatic fallback to 48, 36, 24, 18, 12, or 6 Mbps...
  • Page 104 C: T PPENDIX ECHNICAL PECIFICATIONS Encryption: 40/64 bit WEP, 128 bit WEP, WPA Maximum clients: 128 O/P Power 18dBm Operating Temperature 0 °C to 40 °C (32 °F to 105 °F) Power 7VA, 23.9 BThU/hr Humidity 0% to 90% (non-condensing) humidity Dimensions ■...
  • Page 105 Environmental: EN 60068 (IEC 68) *See System Requirements Operating Systems The Router will support the following Operating Systems: ■ ■ ■ ■ ■ ■ ■ Ethernet Performance The Router complies to the IEEE 802.3i, u and x specifications. Wireless Performance The Router has been designed to conform to the Wi-Fi interoperability test standard.
  • Page 106 C: T PPENDIX ECHNICAL PECIFICATIONS...

  • Page 107: Important Safety Information

    Important Safety Information WARNING: Warnings contain directions that you must follow for your personal safety. Follow all directions carefully. You must read the following safety information carefully before you install or remove the unit: WARNING: The Router generates and uses radio frequency (rf) energy. In some environments, the use of rf energy is not permitted.

  • Page 108: Wichtige Sicherheitshinweise

    D: S PPENDIX AFETY NFORMATION WARNING: Disconnect the power adapter before moving the unit. WARNING: RJ-45 ports. These are shielded RJ-45 data sockets. They cannot be used as telephone sockets. Only connect RJ-45 data connectors to these sockets. Wichtige Sicherheitshinweise VORSICHT: Warnhinweise enthalten Anweisungen, die Sie zu Ihrer eigenen Sicherheit befolgen müssen.

  • Page 109: Consignes Importantes De Sécurité

    VORSICHT: Es sind keine von dem Benutzer zu ersetzende oder zu wartende Teile in dem Gerät vorhanden. Wenn Sie ein Problem mit dem Router haben, das nicht mittels der Fehleranalyse in dieser Anleitung behoben werden kann, setzen Sie sich mit Ihrem Lieferanten in Verbindung.
  • Page 110 D: S PPENDIX AFETY NFORMATION AVERTISSEMENT: L’appareil fonctionne à une tension extrêmement basse de sécurité qui est conforme à la norme CEI 60950. Ces conditions ne sont maintenues que si l'équipement auquel il est raccordé fonctionne dans les mêmes conditions. AVERTISSEMENT: Il n’y a pas de parties remplaceables par les utilisateurs ou entretenues par les utilisateurs à...

  • Page 111: 3Com End User Software License Agreement

    Subject to the restrictions set forth herein, the Software is licensed to be used on any workstation or any network server owned by or leased to you, for your internal use, provided that the Software is used only in connection with this 3Com product. You may reproduce and provide one (1) copy of the Software and Documentation for each such workstation or network server on which the Software is used as permitted hereunder.

  • Page 112: Appendix E: End User Software License Agreement

    The Software is delivered as ìCommercial Computer Softwareî as defined in DFARS 252.227-7014 (June 1995) or as a commercial item as defined in FAR 2.101(a) and as such is provided with only such rights as are provided in this Agreement, which is 3Com’s standard commercial license for the Software.
  • Page 113 ISP I Information Regarding Popular ISPs WAN Types Dynamic IP (Clone MAC) Dynamic IP (Hostname) PPPoE (DSL) PPTP NFORMATION Characteristics Cable modem ISP, non-hostname based. Need to clone the MAC address in the Advanced tab of the Internet Settings page. Cable ISP, Requires Hostname to authenticate ie.

  • Page 114: Appendix F: Isp Information

    F: ISP I PPENDIX NFORMATION Static (DSL) Static (Cable) *Bell includes Bell Advantage, Bell Canada, Bell South, PacBell and Southwestern Bell. DSL Modem, always on. Need to enter ALL IP information from ISP in the Static IP address section of the Internet Settings page.

  • Page 115: Auto-Negotiation

    LOSSARY 802.11b The IEEE specification for wireless Ethernet which allows speeds of up to 11 Mbps. The standard provides for 1, 2, 5.5 and 11 Mbps data rates. The rates will switch automatically depending on range and environment. 802.11g The IEEE specification for wireless Ethernet which allows speeds of up to 54 Mbps.
  • Page 116 LOSSARY configure to use the best common speed. The order of preference (best first) is: 100BASE-TX full duplex, 100BASE-TX half duplex, 10BASE-T full duplex, and 10BASE-T half duplex. Auto-negotiation is defined in the IEEE 802.3 standard for Ethernet and is an operation that takes place in a few milliseconds.
  • Page 117 DNS Server Address DNS stands for Domain Name System, which allows Internet host computers to have a domain name (such as 3com.com) and one or more IP addresses (such as 192.34.45.8). A DNS server keeps a database of host computers and their respective domain names and IP addresses, so that when a domain name is requested (as in typing “3com.com”...

  • Page 118: Infrastructure Mode

    LOSSARY Router A device that acts as a central hub by connecting to each computer's network interface card and managing the data traffic between the local network and the Internet. Half Duplex A system that allows packets to transmitted and received, but not at the same time.

  • Page 119: Network Interface

    Internet Service Provider. An ISP is a business that provides connectivity to the Internet for individuals and other businesses or organizations. Local Area Network. A network of end stations (such as PCs, printers, servers) and network devices (hubs and switches) that cover a relatively small geographic area (usually not larger than a floor or building).
  • Page 120 LOSSARY PPTP Point-to-Point Tunneling Protocol is a method of secure data transmission between two remote sites over the internet. Routing Information Protocol. RIP allows an administrator to set up routing information on one RIP enabled device, and have that routing information replicated to all RIP enabled devices on the network.
  • Page 121 TCP/IP Transmission Control Protocol/Internet Protocol. This is the name for two of the most well-known protocols developed for the interconnection of networks. Originally a UNIX standard, TCP/IP is now supported on almost all platforms, and is the protocol of the Internet. TCP relates to the content of the data travelling through a network —...
  • Page 122 LOSSARY Wi-Fi Wireless Fidelity. This is the certification granted by WECA to products that meet their interoperability criteria. (see also 802.11b, WECA) Wireless Client The term used to describe a desktop or mobile PC that is wirelessly connected to your wireless network Wireless LAN Service Another term for ESSID (Extended Service Set Identifier) Area...
  • Page 123 Export License. This product does not contain any user serviceable components. Any unauthorized product changes or modifications will invalidate 3Com’s warranty and all applicable regulatory certifications and approvals. This product can only be used with the supplied antenna(s). The use of external amplifiers or non-3Com antennas may invalidate regulatory certifications and approvals.
  • Page 124 This booklet is available from the U.S. Government Printing Office, Washington, D.C. 20402. Stock No.004-000-0034504. 3Com is not responsible for any radio or television interference caused by unauthorized modification of the devices included with this 3Com OfficeConnect Wireless 54Mbps/108Mbps 11g Cable/DSL Router (WL-537, WL-537S), or the substitution or attachment of connecting cables and equipment other than specified by 3Com.

  • Page 125: Manufacturer's Declaration Of Conformity

    Brand Name: 3Com Corporation Model Number: WL-537, WL-537S Equipment Type: 3Com OfficeConnect Wireless 54Mbps/108Mbps 11g Cable/DSL Router 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 126: Industry Canada (Ic)

    – I ANADA NDUSTRY This device complies with RSS 210 of Industry Canada. (IC) ANADA Operation is subject to the following two conditions: (1) this device may not cause interference, and (2) this device must accept any interference, including interference that may cause undesired operation of this device.”...

  • Page 127: Europe - Eu Declaration Of Conformity

    ECLARATION OF ONFORMITY Intended use: NOTE: To ensure product operation is in compliance with local regulations, select the country in which the product is installed. Refer to 3Com OfficeConnect Wireless 54Mbps/108Mbps 11g Cable/DSL Router User Guide. UROPE ECLARATION ONFORMITY IN...
  • Page 128 è conforme ai requisiti essenziali ed alle altre disposizioni pertinenti stabilite dalla direttiva 1999/5/CE. Spanish Por medio de la presente 3Com Corporation declara que el RLAN device cumple con los requisitos esenciales y cualesquiera otras disposiciones aplicables o exigibles de la Directiva 1999/5/CE Portuguese 3Com Corporation declara que este RLAN device está...

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