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3Com OfficeConnect 3CRWE51196 User Manual

Wireless cable/dsl gateway
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OfficeConnect
Wireless Cable/DSL Gateway
User Guide
3CRWE51196
http://www.3com.com/
Part No. DUA5119-6AAA01
Published April 2002
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  • Page 1 OfficeConnect ® Wireless Cable/DSL Gateway User Guide 3CRWE51196 http://www.3com.com/ Part No. DUA5119-6AAA01 Published April 2002...
  • Page 2 3Com Corporation Copyright © 2002, 3Com Technologies. All rights reserved. No part of this documentation may be reproduced in any form or by any means or used to make any derivative work (such as translation, transformation, or adaptation) without written permission from 3Com 5400 Bayfront Plaza Technologies.

  • Page 3: Table Of Contents

    ONTENTS BOUT UIDE Naming Convention Conventions Feedback about this User Guide Related Documentation Product Registration /DSL G NTRODUCING THE FFICE ONNECT IRELESS ABLE ATEWAY OfficeConnect Wireless Cable/DSL Gateway Wireless Cable/DSL Gateway Advantages Package Contents Minimum System and Component Requirements Front Panel...
  • Page 4 WAN Settings PPPoE Mode Dynamic IP Address Mode Static IP Mode LAN Settings DHCP Summary ATEWAY ONFIGURATION Navigating Through the Gateway Configuration Pages Main Menu Option Tabs Getting Help Welcome Screen Notice Board Password Changing the Administration Password Wizard LAN Settings...
  • Page 5 DDRESSING The Internet Protocol Suite Managing the Cable/DSL Gateway over the Network IP Addresses and Subnet Masks Type One Type Two How does a Device Obtain an IP Address and Subnet Mask? DHCP Addressing Static Addressing Auto-IP Addressing ECHNICAL PECIFICATIONS...
  • Page 6 Operating Systems Ethernet Performance Wireless Performance Cable Specifications AFETY NFORMATION Important Safety Information Wichtige Sicherheitshinweise Consignes importantes de sécurité OFTWARE ICENCE GREEMENT 3Com Corporation END USER SOFTWARE LICENSE AGREEMENT ISP I NFORMATION Information Regarding Popular ISPs LOSSARY NDEX EGULATORY OTICES...

  • Page 7: About This Guide

    Return or Enter. Do not press Return or Enter when an instruction simply says “type.” Keyboard key names If you must press two or more keys simultaneously, the key names are linked with a plus sign (+). Example:...

  • Page 8: Feedback About This User Guide

    Words in italics Italics are used to: Emphasize a point. Denote a new term at the place where it is defined in the text. Identify menu names, menu commands, and software button names. Examples: From the Help menu, select Contents.

  • Page 9: Ntroducing The

    Now, you can network the computers in your office, connect them all to a single Internet outlet, and harness the combined power of all of your computers.

  • Page 10: Wireless Cable/Dsl Gateway Advantages

    Easy-to-use, Web-based setup and configuration Provides centralization of all network address settings (DHCP) Acts as a Virtual server to enable remote access to Web, FTP, and other services on your network Security - Firewall protection against Internet hacker attacks and encryption to protect wireless network traffic.

  • Page 11: Minimum System And Component Requirements

    Flashing slowly - The Gateway has completed the Reset to Factory Defaults process, and is waiting for you to reset the unit. To do this, remove power, wait 10 seconds and then re-apply power. The Gateway will then enter the start-up sequence and resume normal operation.
  • Page 12 Green (100Mbps link) / yellow (10Mbps link) If the LED is on, the link between the Gateway 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

    Using suitable RJ-45 cable, you can connect your Gateway to a computer, or to any other piece of equipment that has an Ethernet connection (for example, a hub or a switch). The LAN ports are configured as MDIX, for connection to a computer with a straight through RJ-45 cable.
  • Page 14 1: I /DSL G HAPTER NTRODUCING THE FFICE ONNECT IRELESS ABLE ATEWAY...

  • Page 15: Hardware Installation

    Gateway is centrally located to the wireless computers that will connect to the Gateway. A suitable location might be on top of a high shelf or similar furniture to optimise wireless connections to computers in both horizontal and vertical directions, allowing coverage throughout.

  • Page 16: Using The Rubber Feet

    2: H HAPTER ARDWARE NSTALLATION 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. Using the Rubber Feet Use the four self-adhesive rubber feet to prevent your Gateway from moving around on your desk or when stacking with other flat top OfficeConnect units.
  • Page 17 1 Insert one end of the supplied Ethernet (RJ-45 Category 5) cable into the Cable/DSL port on the rear panel of the Wireless Cable/DSL Gateway. 2 Insert the other end of the cable into the RJ-45 port on your cable or DSL modem. Check that the Cable/DSL status LED lights on the Gateway.
  • Page 18 2: H HAPTER ARDWARE NSTALLATION...

  • Page 19: Setting U P Your Computers

    If your computers are configured with fixed or static addresses and you do not wish to change this, then you should use the Discovery program on the Gateway CD-ROM to detect and configure your Gateway. Refer to Appendix A for information on using the Discovery program.

  • Page 20: Windows Xp

    Windows 95/98/ME 1 From the Windows Start Menu, select Settings > Control Panel. 2 Double click on Network. Select the TCP/IP item for your network card and click on Properties. 3 In the TCP/IP dialog, select the IP Address tab, and ensure that Obtain IP address automatically is selected.

  • Page 21: Pppoe Client Software

    Ensure that you do not have a web proxy enabled on your computer. Go to the Control Panel and click on Internet Options. Select the Connections tab and click on the LAN Settings button at the bottom. Make sure that the Use Proxy Server option is unchecked.
  • Page 22 3: S HAPTER ETTING OMPUTERS...

  • Page 23: Running The Setup Wizard

    (Figure 9) Figure 9 Web Browser Location Field (Factory Default) 3 To log in as an administrator, enter the password (the default setting is admin) in the System Password field and click Log in (Figure 10).
  • Page 24 Figure 10 OfficeConnect Wireless Cable/DSL Gateway Log in Screen 4 If the password is correct, the OfficeConnect Wireless Cable/DSL Gateway Welcome screen will appear (Figure 11). If your Gateway has not been configured before, the Wizard will launch automatically (refer to Figure 12).

  • Page 25: Password

    1. Password is case sensitive. 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 14).

  • Page 26: Timezone

    Select your time zone from the pull-down menu, check the daylight savings option if required, and then click Next. The Daylight Savings option advances the system clock by one hour. It does not cause the system clock to be updated for daylight savings time automatically.

  • Page 27: Dynamic Ip Address Mode

    2 If your ISP requires an assigned MAC address, select the appropriate radio button (Yes, I would like to enter a MAC address manually) and manually enter the values for a MAC address if required (Figure 18). If the computer you are using now is the...

  • Page 28: Static Ip Mode

    To setup the Gateway for use with a static IP address connection, use the following procedure: 1 Select the ISP has provided a static IP address radio button (See Figure 15) and then click Next Figure 19 displays. Figure 19 Static IP Mode Screen 2 Enter your IP Address in the IP Address text box.
  • Page 29 It is very important that you set up your wireless clients to use the same Service Area Name or SSID as the one you use on this screen. If your clients use a different Service Area Name then they will not be able to communicate with the Gateway.

  • Page 30: Summary

    Connection Control. 3Com also strongly recommends that you change the SSID to something other than the default. You should also note that the wizard does not enable WEP security as part of the initial installation process. If you have an existing network that already uses WEP Security you will need to set up the Gateway to use the same keys and settings.

  • Page 31: Gateway Configuration

    Gateway, login using your system password (default admin). Main Menu At the left side of all screens is a main menu, as shown in Figure 24 on page 32. When you click on a topic from the main menu, that page will appear in the main part of the screen.

  • Page 32: Welcome Screen

    Welcome Screen Figure 24 OfficeConnect Wireless Cable/DSL Gateway Welcome Screen The Welcome section allows you to view the Notice board and to change your Password. You can also gain access to the Configuration Wizard. (See "Accessing the Wizard" on page 23 for details.)

  • Page 33: Changing The Administration Password

    3 Enter the new password again in the Confirm Password field 4 Click Apply to save the new password The password is case sensitive. If you have forgotten your password you can reset the Gateway. See "Forgotten Password" on page 56. Wizard Figure 27 Wizard Screen Click the WIZARD...

  • Page 34: Dhcp Clients List

    The Release button allows the lease time for the IP address that has been issued to a device to be cleared. The lease time is set at 12 hours. If a PC has been switched off, using the Release Button would allow the 12 hour lease time to be cleared.

  • Page 35: Wireless Settings

    Figure 30 Wireless Configuration Screen Enable Wireless Networking Allows you to enable/disable the wireless section of your LAN. When disabled, no wireless PCs can gain access to either the Internet or other PCs on your Wired or Wireless LAN. Channel Selection The Channel Selector allows you to specify which Channel the Gateway will transmit and receive on.

  • Page 36: Encryption

    A Key is a hexadecimal (0-9, A-F) number used to encrypt and decrypt the data. There can be up to 4 keys and each key can be as long as 26 digits. The Gateway also offers a number of methods for converting plain text into hex keys. The text is...
  • Page 37 Gateway and Key 4 on your computers. Some wireless adapters have only one key available on their WEP configuration page. If this is the case ensure it is the same as Key 1 on the Gateway and that it is selected as the active transmit key.

  • Page 38: Connection Control

    Area Name/SSID, channel and encryption settings as the Gateway. You will find this screen easier to use if you set up and make a note of all of your wireless PC's on your network first. You may also add the entries manually if you know the...

  • Page 39: Modifying A Mac Address

    Wireless Settings To add a MAC address that is not in the list, select "- Add Manually -" from the list, and enter the MAC address in the appropriate fields. A MAC address consists of 12 characters. Valid characters are '0-9', and 'A-F'.

  • Page 40: Deleting A Mac Address

    ONFIGURATION Deleting a MAC Address The connection rights for a Wireless PC listed in the table can be removed by pressing the Delete button for that entry in the table. Once an entry has been deleted it cannot be undone. Please wait 30 seconds before changes take effect.

  • Page 41: Ppp Over Ethernet Connection

    (Figure 36), you will be asked to enter the information you received from your ISP. If you have the information and your ISP has given you an IP address, enter the IP address, subnet mask address, and ISP Gateway address in the appropriate text boxes.

  • Page 42: Dynamic Ip Address

    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 43: Advanced

    If you want to specify a new MAC Address, click on the CLONE MAC ADDRESS button, enter a new MAC Address and then click Apply. (Figure 40) Firewall On the main frame of the Firewall setup screen is a menu with four tabs: Virtual Servers, Special Applications, PCs Privileges, and Security. Virtual Servers Selecting the Firewall option on the main menu displays the Virtual Servers setup screen.

  • Page 44: Virtual Dmz

    Web site. To configure a virtual server: 1 Click on the New button on the right side of the screen to open the Virtual Server Settings dialogue box. (Figure 42) 2 Enter the last digit(s) of the IP address of the computer in the Server IP Address text box.

  • Page 45: Special Applications

    Firewall Or Select Custom to specify a suitable name for the service and then enter the port numbers required for that service. (Figure 43) Figure 43 Custom Setup Screen 4 Click Add button to save the settings. The port numbers are specified using a comma-separated list, with hyphens to denote port number ranges.

  • Page 46: Pcs Privileges

    Figure 45 Special Application Settings Screen Or select Other to specify a suitable name for the special application and then enter a value in the Trigger and Incoming Ports text boxes (Figure 45). These values correspond to the outbound port number issued by the application.
  • Page 47 1 Click in the PCs access authorized services only radio button. 2 Click on the New button to display PC Privileges setting screen. 3 Enter the last digit(s) of the IP address of the computer in the PC’s IP Address text box.

  • Page 48: Security

    By default the Gateway has PING disabled in order to make the device more difficult to find on the Internet and less prone to attack. This feature is enabled by clicking on the check box so that a tick can be seen and then pressing the Apply button.

  • Page 49: Disable Firewall

    LED will be lit for 2 seconds. The firewall will block Internet access to all unused ports. The Firewall is disabled by clicking on the check box so that a tick can be seen and then pressing the Apply button.

  • Page 50: Time Zone

    The Gateway reads the correct time from NTP servers on the Internet and sets its system clock accordingly. The Daylight Savings option merely advances the system clock by one hour. It does not cause the system clock to be updated for daylight savings time automatically.

  • Page 51: Restore Configuration Data

    RESTORE button to copy the data into the Gateway's memory. Reset to Factory Default If you want to reset the settings on your Gateway to those that were loaded at the factory, click RESET. You will lose all your configuration changes. The Gateway LAN IP address will revert to 192.168.1.1, and the DHCP server on the LAN will be...

  • Page 52: Status And Logs

    Logs will allow you to view both the normal events, and security threats logged by the Gateway You may be asked to refer to the information on the Status and Logs screens if you contact your supplier for technical support.

  • Page 53: Support

    Status and Logs Support Figure 56 Support Screen Selecting Support option on the main menu displays the support links screen, which contains a list of Internet links that provide information and support concerning the Gateway (Figure 56).
  • Page 54 5: G HAPTER ATEWAY ONFIGURATION...

  • Page 55: Troubleshooting

    Some network interfaces may not be correctly initialised until the start-up procedure has completed. If the link status LED does not illuminate for a port that is connected, check that you do not have a faulty cable. Try a different cable.

  • Page 56: Connecting To The Internet

    3 Using an Ethernet cable, connect the Ethernet Cable/DSL port on the rear of the Gateway to any one of the LAN ports. 4 Re-apply power to the Gateway. The Alert LED will flash as the Gateway starts up, and after approximately 30 seconds will start to flash more slowly (typically 2 seconds on, 2 seconds off).

  • Page 57: Wireless Networking

    Infrastructure mode. Ad Hoc mode is not supported by the Gateway. Check the status of the Gateway Wireless LED, it should be lit if wireless is enabled and will flash when there is wireless activity. If not lit go to “Wireless Configuration Screen”...

  • Page 58: Alert Led

    If the Alert LED comes on continuously again, then a fault has been detected. Locate the copy of the Gateway software on the accompanying CD-ROM and upload it to the Gateway to see if this clears the fault (refer to “Recovering from Corrupted Software” below). If this does not fix the problem, contact your supplier for further advice.

  • Page 59: Frequently Asked Questions

    Frequently Asked Questions 6 When the upload has completed, the Gateway will restart, run the self-test and, if successful, resume normal operation. The Alert LED will go out. 7 Refer to the Installation Guide to reconnect your Gateway to the Cable/DSL modem and the computers in your network.
  • Page 60 6: T HAPTER ROUBLESHOOTING...

  • Page 61: Sing Iscovery

    OfficeConnect Wireless Cable/DSL Gateway on the network. Windows Installation (95/98/2000/Me/NT) 1 Insert the Gateway CD-ROM in the CD-ROM drive on your computer. A menu will appear; select Gateway Discovery. Note: Discovery will find the Gateway even if it is unconfigured or misconfigured.
  • Page 62 3 Figure 59 shows an example Discovered Devices screen. Highlight the Wireless Cable/DSL Gateway by clicking on it, and press Next. Figure 59 Discovery Finish Screen 4 Click on Finish to launch a web browser and display the login page for the Gateway.

  • Page 63: Ip Addressing

    An IP address identifies the address of the device to which data is being sent and the address of the destination network. IP addresses have the format n.n.n.x where n is a decimal number between 0 and 255 and x is a number between 1 and 254 inclusive.

  • Page 64: Type Two

    DDRESSING This type of IP Address operates on a subnet mask of ‘255.255.255.0’. See Table 3 for an example about how a network with three computers and a Wireless Cable/DSL Gateway might be configured. Table 3 IP Addressing and Subnet Masking...

  • Page 65: Static Addressing

    How does a Device Obtain an IP Address and Subnet Mask? Static Addressing You must enter an IP Address and the subnet mask manually on every device. Using a static IP and subnet mask means the address is permanently fixed.
  • Page 66 B: IP A PPENDIX DDRESSING...

  • Page 67: C Technical Specifications

    ECHNICAL PECIFICATIONS This section lists the technical specifications for the OfficeConnect Wireless Cable/DSL Gateway. Interfaces Cable or DSL modem connection - 10/100 FD. LAN connection - four 10Mbps/100Mbps dual speed Ethernet ports (10BASE-T/100BASE-TX) WLAN Interface Standard IEEE 802.11b, Direct Sequence Spread Spectrum (DSSS) Transmission rate: 11Mbps, automatic fallback to 5.5, 2 or 1Mbps...

  • Page 68: System Requirements

    Windows XP Mac OS 8.5 or higher Unix Ethernet Performance The Wireless Cable/DSL Gateway complies to the IEEE 802.3i, u and x specifications. Wireless Performance The Wireless Cable/DSL Gateway complies with the IEEE 802.11b specification and conforms to the WiFi interoperability test standard.

  • Page 69: Information

    The user should seek local advice on whether or not rf energy is permitted within the area of intended use. WARNING: Exceptional care must be taken during installation and removal of the unit.

  • Page 70: Consignes Importantes De Sécurité

    AVERTISSEMENT: Il n’y a pas de parties remplaceables par les utilisateurs ou entretenues par les utilisateurs à l’intérieur du moyeu. Si vous avez un problème physique avec le moyeu qui ne peut pas être résolu avec les actions de la résolution des problèmes dans ce guide, contacter votre fournisseur.
  • Page 71 AVERTISSEMENT: Débranchez l'adaptateur électrique avant de retirer cet appareil. AVERTISSEMENT: Ports RJ-45. Il s'agit de prises femelles blindées de données RJ-45. Vous ne pouvez pas les utiliser comme prise de téléphone. Branchez uniquement des connecteurs de données RJ-45 sur ces prises femelles.
  • Page 72 D: S PPENDIX AFETY NFORMATION...

  • Page 73: Software Licence

    You are responsible for obtaining any licenses to export, re-export or import the Technical Data. In addition to the above, the Product may not be used, exported or re-exported (i) into or to a national or resident of any country to which the U.S. has embargoed; or (ii) to any one on the U.S.
  • Page 74 E: E PPENDIX OFTWARE ICENCE GREEMENT...

  • Page 75: Isp Information

    Cable Modem, Always on, ISP Cox Cable, Sprint, US Cable, assigns specific IP information Cable-Cable (Cable) which needs to be entered on the “Fixed IP” page of the Gateway. *Bell includes Bell Advantage, Bell Canada, Bell South, PacBell and Southwestern Bell.
  • Page 76 F: ISP I PPENDIX NFORMATION...

  • Page 77: Glossary

    This standard provides for 1,2,5 and 11Mbps data rates and a set of fundamental signaling methods and other services (see WECA). 10BASE-T The IEEE specification for 10 Mbps Ethernet over Category 3, 4 or 5 twisted pair cable. 100BASE-TX The IEEE specification for 100 Mbps Fast Ethernet over Category 5 twisted-pair cable.
  • Page 78 A method for providing a level of security to wireless data transmissions. The OfficeConnect Wireless Cable/DSL Gateway uses two levels of encryption; 40/64 bit and 128 bit. 128 bit is a more powerful level of encryption than 40/64 bit. ESSID Extended Service Set Identifier.
  • Page 79 Infra-Structure mode is the 802.11b configuration supported by the Gateway. You will need to ensure all of your clients are set up to use infra-structure mode in order for them to communicate with the Access Point built into your Gateway.
  • Page 80 A subnet mask, which may be a part of the TCP/IP information provided by your ISP, is a set of four numbers configured like an IP address. It is used to create IP address numbers used only within a particular network (as opposed to valid IP address numbers recognized by the Internet, which must assigned by InterNIC).
  • Page 81 TCP relates to the content of the data travelling through a network — ensuring that the information sent arrives in one piece when it reaches its destination. IP relates to the address of the end station to which data is being sent, as well as the address of the destination network.
  • Page 82 LOSSARY...
  • Page 83 PING 48 cable specifications 68 PPPoE 21, 41 Clone MAC 43 PPPoE Mode 26 conventions notice icons, About This Guide 7 text, About This Guide 7 Remote Administration 49 DHCP 27, 28, 34, 64 DHCP Server 20 Safety Information 15...
  • Page 84 NDEX...
  • Page 85 EGULATORY OTICES FCC Statement This equipment has been tested and found to comply with the limits for a Class B digital device, pursuant to Part 15 of the FCC Rules, and the Canadian Department of Communications Equipment Standards entitled, “Digital Apparatus,”...
  • Page 86 RF Exposure CAUTION: The 3Com OfficeConnect Wireless Cable/DSL Gateway has been Compliance Statement certified as a mobile computing device as per FCC Section 2.1091. In order to comply with the FCC RF exposure requirements, the 3Com OfficeConnect Wireless (U.S.) Cable/DSL Gateway must only be installed with approved antennas and a minimum separation distance of 20 cm (8 in) must be maintained from the antenna to any nearby persons.
  • Page 88 3Com Corporation, Corporate Headquarters, Copyright © 2002 3Com Corporation. All rights reserved. 5400 Bayfront Plaza, Santa Clara, 3Com and OfficeConnect are registered trademarks of CA 95052-8145, USA. 3Com Corporation. All other company and product names may be trademarks of their respective companies.

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