3Com 3CRWE51196 - OfficeConnect Wireless Cable/DSL Gateway User Manual Download Page 29

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UNNING

THE

ETUP

IZARD

Accessing the
Wizard

The Gateway setup program is Web-based, which means that it is
accessed through your Web browser (Netscape Navigator or Internet
Explorer).

To use the Setup Wizard:

Ensure that you have at least one computer connected to the Gateway.
Refer to

Chapter 2

for details on how to do this.

Launch your Web browser on the computer.

Enter the following URL in the location or address field of your browser:

http://192.168.1.1

(

Figure 9

). The Login screen displays.

Figure 9

Web Browser Location Field (Factory Default)

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

Be sure to bookmark this screen for easy reference if you should want to
change the Gateway settings.

Summary of Contents for 3CRWE51196 - OfficeConnect Wireless Cable/DSL Gateway

Page 1: ...http www 3com com Part No DUA0085 5AAA04 Published October 2002 OfficeConnect Cable DSL Gateway Wireless Cable DSL Gateway User Guide 3C857 3CRWE52196 3CRWE52196 Only ...

Page 2: ...on contained in or delivered to you in conjunction with this User Guide Unless otherwise indicated 3Com registered trademarks are registered in the United States and may or may not be registered in other countries 3Com OfficeConnect and the 3Com logo are registered trademarks of 3Com Corporation Intel and Pentium are registered trademarks of Intel Corporation Microsoft MS DOS Windows and Windows N...

Page 3: ...Advantages 13 Package Contents 13 Minimum System and Component Requirements 14 Front Panel 14 Rear Panel 16 2 HARDWARE INSTALLATION Introduction 19 Safety Information 19 Positioning the Gateway 19 Using the Rubber Feet 20 Wall Mounting 20 Before you Install your Gateway 21 Powering Up the Gateway 22 Connecting the Gateway 22 Wireless Only 23 3 SETTING UP YOUR COMPUTERS Obtaining an IP Address Auto...

Page 4: ...s 39 Summary 40 5 GATEWAY CONFIGURATION Navigating Through the Gateway Configuration Pages 41 Main Menu 41 Option Tabs 42 Welcome Screen 42 Notice Board 43 Password 43 Wizard 44 LAN Settings 44 Unit Configuration 44 DHCP Clients List 45 Wireless Settings 46 Configuration 46 Encryption 48 Connection Control 50 Client List 53 Profile 53 Internet Settings 55 Connection to ISP 56 Firewall 61 Virtual S...

Page 5: ...assword and Reset to Factory Defaults 76 Wireless Networking 77 Alert LED 79 Recovering from Corrupted Software 79 Frequently Asked Questions 80 A USING DISCOVERY Running the Discovery Application 83 Windows Installation 95 98 2000 Me NT 83 B IP ADDRESSING The Internet Protocol Suite 85 Managing the Gateway over the Network 85 IP Addresses and Subnet Masks 85 How does a Device Obtain an IP Address...

Page 6: ...CAL SPECIFICATIONS D SAFETY INFORMATION E END USER SOFTWARE LICENCE AGREEMENT F ISP INFORMATION GLOSSARY INDEX REGULATORY NOTICES FOR THE CABLE DSL GATEWAY REGULATORY NOTICES FOR THE WIRELESS CABLE DSL GATEWAY ...

Page 7: ...ems If a release note is shipped with the OfficeConnect Cable DSL Gateway or OfficeConnect Wireless Cable DSL Gateway and contains information that differs from the information in this guide follow the information in the release note 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 Convent...

Page 8: ...Caution Information that alerts you to potential loss of data or potential damage to an application system or device Warning Information that alerts you to potential personal injury Table 2 Text Conventions Convention Description The words enter and type When you see the word enter in this guide you must type something and then press Return or Enter Do not press Return or Enter when an instruction...

Page 9: ...nical Support please refer to the Support and Safety Information sheet Related Documentation In addition to this guide each Gateway document set includes one Installation Guide This guide contains the instructions you need to install and configure your Gateway Product Registration You can now register your Gateway on the 3Com web site and receive up to date information on your product http support...

Page 10: ...10 ABOUT THIS GUIDE ...

Page 11: ...etwork the computers in your office connect them all to a single Internet outlet and harness the combined power of all of your computers OfficeConnect Cable DSL Gateway and Wireless Cable DSL Gateway The OfficeConnect Cable DSL Gateway and the OfficeConnect Wireless Cable DSL Gateway are designed to provide a cost effective means of sharing a single broadband Internet connection amongst several wi...

Page 12: ...use the Gateway in your network Figure 2 it becomes your connection to the Internet Connections can be made directly to the Gateway or to an OfficeConnect Switch or Hub expanding the number of computers you can have in your network Figure 2 Example Network Using a Wireless Cable DSL Gateway ...

Page 13: ...dress 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 Package Contents The Gateway kit includes the following items One OfficeConnect Cable DSL Gateway or OfficeConnect Wireless Cable DSL Gateway One power adapter for use with ...

Page 14: ...OfficeConnect Wireless Cable DSL Gateway A cable modem or DSL modem with an Ethernet port RJ 45 connector An active Internet access account A Web browser program that supports JavaScript such as Netscape 4 0 or higher or Internet Explorer 5 0 or higher Front Panel The front panel of the Gateway contains a series of indicator lights LEDs that help describe the state of various networking and connec...

Page 15: ...faults follow steps 5 to 7 in Forgotten Password and Reset to Factory Defaults on page 76 On for 2 seconds and then off The Gateway has detected and prevented a hacker from attacking your network from the Internet Continuously on A fault has been detected with your Gateway during the start up process Refer to Chapter 6 Troubleshooting 2 Power LED Green Indicates that the Gateway is powered on 3 Fo...

Page 16: ...ble or DSL modem is OK If the LED is flashing the link is OK and data is being transmitted or received If the LED is off nothing is connected the modem is switched off or there is a problem refer to Chapter 6 Troubleshooting Rear Panel The rear panel Figure 4 of the Gateway contains four LAN ports one Ethernet Cable DSL port and a power adapter socket Figure 4 Gateway Rear Panel For example purpos...

Page 17: ...he Ethernet port on your cable or DSL modem The port will automatically adjust to the correct speed and duplex 9 Four 10 100 LAN ports 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 ca...

Page 18: ...18 CHAPTER 1 INTRODUCING THE GATEWAY ...

Page 19: ...ttentivement la section Consignes importantes de sécurité avant de mettre en route Positioning the Gateway You should place the Gateway in a location that is conveniently located for connection to the cable or DSL modem that will be used to connect to the Internet allows convenient connection to the computers that will be connected to the four LAN ports on the rear panel if desired allows easy vie...

Page 20: ... from moving around on your desk or when stacking with other flat top OfficeConnect units Only stick the feet to the marked areas at each corner of the underside of your Gateway Wall Mounting There are two slots on the underside of the Gateway that can be used for wall mounting When wall mounting the unit ensure that it is within reach of the power outlet You will need two suitable screws to wall ...

Page 21: ...________________ PPPoE Password ______________________ PPPoE Service Name ______________________ If you have a DSL connection and your ISP allocates IP information dynamically over PPTP you need a User Name and Password PPTP User Name ______________________ PPTP Password ______________________ PPTP Server Address ____ ____ ____ ____ You only need a PPPoE Service Name or a PPTP Server Address if yo...

Page 22: ... The first step for installing your Gateway is to physically connect it to a cable or DSL modem and then connect it to a computer in order to be able to access the Internet See Figure 5 Figure 5 Connecting the Gateway For example purposes only this graphic shows a Wireless Cable DSL Gateway To use your Gateway to connect to the Internet through an external cable or DSL modem 1 Insert one end of th...

Page 23: ...r computers so that they can make use of the Gateway to communicate with the Internet 3Com recommends that you perform the initial Gateway configuration from a computer that is directly connected to one of the LAN ports Wireless Only If you configure the Gateway from a wireless computer note that you may lose contact with the Gateway if you change the wireless configuration To communicate with the...

Page 24: ...24 CHAPTER 2 HARDWARE INSTALLATION ...

Page 25: ...nge 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 Obtaining an IP Address Automatically Windows 2000 If you are using a Windows 2000 based computer use the following procedure to change your TCP IP settings 1 From the Windows Start Menu select Settings Control Panel 2 Doub...

Page 26: ...l 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 Figure 7 Click OK Figure 7 Internet Protocol TCP IP Properties Screen 7 Restart your computer ...

Page 27: ... Restart your computer 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 Click OK Macintosh If you are using a Macintosh computer use the following procedure to change y...

Page 28: ...creen similar to Figure 8 should be displayed 4 Select the Never Dial a Connection option Figure 8 Internet Properties Screen You may wish to remove the PPPoE client software from your computer to free resources as it is not required for use with the Gateway Disabling Web Proxy Ensure that you do not have a web proxy enabled on your computer Go to the Control Panel and click on Internet Options Se...

Page 29: ...ter 2 for details on how to do this 2 Launch your Web browser on the computer 3 Enter the following URL in the location or address field of your browser http 192 168 1 1 Figure 9 The Login screen displays Figure 9 Web Browser Location Field Factory Default 4 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 Be sure...

Page 30: ...r on the Wireless Cable DSL Gateway only Select the country you wish to configure the gateway for then click Apply Figure 11 Figure 11 Country Selection Screen 6 When you have logged in Cable DSL Gateway or selected a country Wireless Cable DSL Gateway either The Welcome screen will appear Figure 12 Select the Wizard tab and click Wizard ...

Page 31: ...f your Gateway has not been configured before the Wizard will launch automatically refer to Figure 13 7 Click Next 8 You will be guided step by step through a basic setup procedure Figure 12 Welcome Screen Figure 13 Wizard Screen ...

Page 32: ...g a new password when setting up the Gateway for the first time The Gateway is shipped from the factory with a default password admin 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 15 Time Zone Figure 15 Time Zone Screen Select your time zone from the p...

Page 33: ...e type of Internet connection you have Before setting up your Internet connection mode have the modem setting information from your ISP ready Select an Internet Addressing mode from the following PPPoE is required typically DSL users only see page 34 ISP provides configuration dynamically via DHCP see page 35 ISP has provided a static IP address see page 36 PPTP is required some DSL users in Europ...

Page 34: ...he PPPoE User Name text box 2 Enter your PPP over Ethernet password in the PPPoE Password text box 3 Enter your PPP over Ethernet service name in the PPPoE Service Name text box This is optional Not all ISPs require a PPPoE service name Do not enter anything in this box if your ISP does not require a service name 4 Check all of your settings and then click Next Refer to LAN Settings on page 38 for...

Page 35: ...quirement enter the host name in the Host Name text box Figure 18 and click Next The Clone MAC Address screen displays Figure 19 Clone MAC Address Screen 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 Figure 19 If the computer you are now using is the one that was previously connected directl...

Page 36: ...atic IP Mode Screen 2 Enter your IP Address in the IP Address text box 3 Enter your subnet mask in the Subnet Mask text box 4 Enter your ISP gateway address in the Internet ISP Gateway Address text box 5 Enter your primary DNS address in the Primary DNS Address text box 6 Enter your secondary DNS address in the Secondary DNS Address text box This step is optional Not all ISPs require a secondary D...

Page 37: ... user name in the PPTP User Name text box 3 Enter your PPTP password in the PPTP Password text box 4 Enter your Primary DNS Address and Secondary DNS address Your ISP may provide you with primary and secondary DNS addresses If they have been provided enter the addresses in the appropriate text boxes If not leave 0 0 0 0 in the boxes 5 Check all of your settings and then click Next Figure 22 displa...

Page 38: ... 23 LAN IP Address Screen This screen displays a suggested LAN IP address and subnet mask of the Gateway It also allows you to change the IP address and subnet mask DHCP The Gateway contains a Dynamic Host Configuration DHCP server that can automatically configure the TCP IP settings of every computer on your network Figure 24 DHCP Server Setup Screen To activate the DHCP Server option select Enab...

Page 39: ...e Area Name It also allows you to change these settings There are a maximum of 13 channels the number available to you is dependent on the country you reside in 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 For information on im...

Page 40: ... this may be useful if you experience problems with your clients Summary Figure 26 Configuration Summary Screen When you complete the Setup Wizard a configuration summary will display Verify the configuration information of the Gateway and then click Finish to save your settings 3Com recommends that you print this page for your records If you have made changes to the LAN Settings or wireless confi...

Page 41: ...e main menu that page will appear in the main part of the screen Welcome displays the firmware version of the Gateway allows you to change your password and launch the Wizard LAN Settings allows you to configure IP address and subnet mask information setup DHCP server parameters and display the DHCP client list Wireless Settings Wireless Cable DSL Gateway only enables disables access from wireless...

Page 42: ...example To access a sub section simply click on the required tab Getting Help On every screen a Help button is available which provides access to the context sensitive online help system Click Help for further assistance and guidance relating to the current screen Welcome Screen Figure 27 Gateway Welcome Screen The Welcome section allows you to view the Notice board and to change your Password You...

Page 43: ...rd Figure 29 Password Screen Changing the Administration Password You can change the password to prevent unauthorized access to the Administration System To do this 1 Enter the current password in the Old Password field 2 Enter the new password in the New Password field 3 Enter the new password again in the Confirm Password field 4 Click Apply to save the new password The password is case sensitiv...

Page 44: ...ten Password and Reset to Factory Defaults on page 76 Wizard Figure 30 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 31 Unit Configuration Screen ...

Page 45: ...nts List Figure 32 DHCP Clients List Screen The DHCP Clients List provides details on the devices that are connected to the LAN The list is only created when the Gateway is set up as a DHCP server For each device that is connected to the LAN the IP address Host Name MAC address and Client Type of that device is displayed As you connect more devices to the LAN the client list will grow to a maximum...

Page 46: ...ou 1 Change the SSID from its default value see page 47 2 Enable Encryption see page 48 3 Enable Connection Control see page 50 Configuration Figure 33 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 Chan...

Page 47: ...ireless computers can connect to the Gateway you must Use Infrastructure Mode not Adhoc Mode Have the same Service Area Name as the Gateway Have the same Channel number as the Gateway Use the same encryption type and keys as the Gateway Ensure that the PC is included in the authorised Wireless PCs list if Connection Control is enabled See page 50 Disable Broadcast SSID This feature can be used to ...

Page 48: ... you must reconfigure your wireless PCs to use exactly the same Encryption Type and Keys otherwise the devices will not understand each other WEP is for securing data transmitted through wireless communications between the Gateway and it s wireless clients Enabling WEP has no security effect on data transmitted through wired Ethernet connections or through your connections to the Internet Wireless...

Page 49: ...are four methods available to generate the encryption keys Manual Key Entry This method allows you to manually enter hex keys Virtually all manufacturers support this scheme Enter a two digit hexadecimal number in every box Hexadecimal numbers are formed from 0 9 and A F 3Com Encryption String This method is supported by 3Com Wireless products The string can contain any alphanumeric characters and...

Page 50: ...xactly the same as each key on your Gateway In other words Key number 1 on the Wireless computer must have the same Hex number as Key number 1 on the Gateway Key 2 on the Wireless computer must match Key 2 on the Gateway and so on The Active Transmit Key selects which of the 4 Keys the Gateway uses when it transmits You can change the selected key periodically to increase the security of your netw...

Page 51: ...e MAC address of the Wireless PC that is to be allowed to connect The drop down list on the Connection Control window will contain the MAC addresses of all Wireless PCs that are in range currently operating and have the same Service 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 you...

Page 52: ...y or a different MAC address may be selected from the drop down list of detected addresses 3 Press Apply to accept the changes Figure 38 MAC Address Table Click Close to discard all changes Deleting a MAC Address The connection rights for a Wireless PC listed in the table can be removed by pressing Delete for that entry in the table Once an entry has been deleted it cannot be undone Please wait 30...

Page 53: ...dress and Connection Speed of that device is displayed As you connect more devices to the Wireless LAN the client list will grow to a maximum of 32 the maximum number of wireless devices that the Gateway can support Profile Figure 40 Profile Screen Some 3Com Wireless Network Adapters allow you to import Wireless configurations via a profile The Gateway can generate a profile so that you do not nee...

Page 54: ...Profile Name up to 25 alphanumeric characters and then click Save Profile 2 Your browser will then prompt you to enter a file name and folder location in which to save the profile Once the profile has been saved it can be copied on to another PC and imported into the 3Com Wireless Network Adapter For instructions on how to import a profile refer to the User Guide that accompanies your 3Com Wireles...

Page 55: ...thod is popular with Cable providers This method is also used if your modem has a built in DHCP server 3 PPPoE DSL only If the installation instructions that accompany your modem ask you to install a PPPoE client on your PC then select this option To configure the Gateway you will need to know the following Username Password Service Name if required by your ISP When you install the Gateway you wil...

Page 56: ... from your ISP See Before you Install your Gateway on page 21 Select Internet Settings from the main menu to display Connection to ISP Figure 41 Choose an IP Allocation Mode from the drop down box Select an IP Allocation Mode from the following Static IP address to be specified manually see page 57 Dynamic IP address automatically allocated see page 58 PPPoE used by DSL providers only see page 59 ...

Page 57: ...rmation in this screen should be provided to you by your ISP If the information is already entered your ISP has pre configured your Gateway and you should go to step 7 3 Enter your subnet mask in the Subnet Mask text box 4 Enter your ISP Gateway address in the ISP Gateway Address text box 5 Enter your primary DNS address in the Primary DNS Address text box 6 Enter your secondary DNS address in the...

Page 58: ...ld Figure 43 2 Enter your Primary DNS Address and Secondary DNS address Your ISP may provide you with primary and secondary DNS addresses If they have been provided enter the addresses in the appropriate text boxes If not leave 0 0 0 0 in the boxes 3 Enter the Host Name optional Some ISPs require a host name If your ISP has this requirement enter the host name in the Host Name text box 4 If you us...

Page 59: ...en To setup the Gateway for use with a PPP over Ethernet connection use the following procedure 1 Select PPP over Ethernet in the IP Allocation Mode field Figure 44 2 Enter your Primary DNS Address and Secondary DNS address Your ISP may provide you with primary and secondary DNS addresses If they have been provided enter the addresses in the appropriate text boxes If not leave 0 0 0 0 in the boxes...

Page 60: ...ient software on your computer to access the Internet PPTP Figure 45 PPTP Setup Screen To setup the Gateway for use with a PPTP connection use the following procedure 1 Select PPTP used by some European providers in the IP Allocation Mode field Figure 45 2 Enter your PPTP server address in the PPTP Server Address text box this is typically the address of your modem 3 Enter your PPTP user name in t...

Page 61: ... 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 Figure 46 Virtual DMZ Figure 46 Virtual Servers Screen DMZ De Militarized Zone Host is a computer without the protection of the firewall This feature allows a single computer to be exposed to...

Page 62: ... of your computers as a Web server so that others can view your Web site To configure a virtual server 1 Click New on the right side of the screen to open the Virtual Server Settings dialogue box Figure 47 2 Enter the last digit s of the IP address of the computer in the Server IP Address text box 3 Select the Service from the pull down list Figure 47 Figure 47 Virtual Servers Settings Screen Or s...

Page 63: ...ll For example Internet Telephony or Video conferences require multiple connections So that these special applications can work properly and are not blocked the firewall needs to be told about them In each instance there will be a trigger port and incoming port s where traffic on the trigger port tells the firewall to open the incoming ports Each defined Special Application only supports a single ...

Page 64: ...issued by the application The port numbers are specified using a comma separated list with hyphens to denote port number ranges So for example entering 2 3 5 7 would cause ports 2 3 5 6 and 7 to be activated The Gateway will automatically allow FTP and NetMeeting sessions You do not need to configure these as Special Applications Figure 51 Other Applications Setup Screen 3 Click Add to save your s...

Page 65: ...Gateway will allow all connected computers unlimited access to the Internet PC Privileges allows you to assign different access rights for different computers on your network To use access control for all computers 1 Click PCs access authorized services only 2 Select All PCs to setup the access rights for all computers connected to the Gateway 3 Select authorized services by clicking in the approp...

Page 66: ...tering 2 3 5 7 would cause ports 2 3 5 6 and 7 to be activated For example to block access to all services except Web 80 and a service that uses ports 2 3 5 6 and 7 1 Tick the Web 80 check box 2 Select Block all other services 3 Enter 2 3 5 7 in the except specify ports box See Figure 54 Figure 54 PC Privileges Setup Screen Example 5 Click Modify to save the settings or Close to discard them To as...

Page 67: ...y 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 However there are hackers who may try to break into your network Allow PING from the Internet PING is a utility which is used to determine whether a device is active at the s...

Page 68: ...wall enabled Enabling Remote Administration It is possible to administer the Gateway from four options 1 Disable Remote Administration This option is set as default 2 Enable administration from a single Internet Host Only the specified IP address can manage the Gateway Any other users will be rejected 3 Enable administration from a whole subnet This option allows a number of users within a subnet ...

Page 69: ...imulating the effect of power cycling the unit No configuration information will be lost but the log files will be erased This function may be of use if you are experiencing problems and you wish to re establish your Internet connection Any network users who are currently accessing the Internet will have their access interrupted whilst the restart takes place and they may need to reboot their comp...

Page 70: ...nces the system clock by one hour It does not cause the system clock to be updated for daylight savings time automatically Configuration Figure 58 Configuration Screen Select the Configuration tab to display the Configuration screen Figure 58 Backup Configuration Click BACKUP to save the current Gateway configuration You will be prompted to download and save a file to disk Restore Configuration Da...

Page 71: ...o tell your web browser where this file is on your computer and then click Apply The file will be copied to the Gateway and once this has completed the Gateway will restart Although the upgrade process has been designed to preserve your configuration settings it is recommended that you make a backup of the configuration beforehand in case the upgrade process fails for any reason for example the co...

Page 72: ...Logs Figure 60 Status and Logs Screen Selecting Status and Logs from the main menu displays the Status and Logs screens Figure 60 in your Web browser window The Status screen displays a tabular representation of your network and Internet connection ...

Page 73: ... 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 Support Figure 61 Support Screen Selecting the 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 61 ...

Page 74: ...74 CHAPTER 5 GATEWAY CONFIGURATION ...

Page 75: ...and computers together but cannot browse to the Gateway configuration screens check the following Confirm that the physical connection between your computer and the Gateway is OK and that the link status LEDs on the Gateway and NIC are illuminated and indicating the same speed 10Mbps or 100Mbps Some NICs do not have status LEDs in which case a diagnostic program may be available that can give you ...

Page 76: ...able DSL interface is OK Ensure that you have entered the correct information into the Gateway configuration screens as required by your Internet Service Provider Use the Internet Settings screen to verify this For DSL users check that the PPPoE or PPTP user name password and service name are correct if these are required Only enter a PPPoE service name if your ISP requires one For cable users che...

Page 77: ...d when the start up sequence has completed browse to http 192 168 1 1 and run the configuration wizard You may need to restart your computer before you attempt this 7 When the configuration wizard has completed you may reconnect your network as it was before Wireless Networking This section applies to the Wireless Cable DSL Gateway only Ensure that you have a Wi fi certified 802 11b wireless adapt...

Page 78: ...band for low power applications and you may have other devices at your location that operate in this frequency band You should take care to ensure that there are no devices like microwave ovens for example close to the Gateway or wireless computers as this could affect receiver sensitivity and reduce the performance of your network If you are unsure try relocating both the wireless computers and t...

Page 79: ...is clears the fault refer to Recovering from Corrupted Software below If this does not fix the problem contact your supplier for further advice During normal operation you may notice the Alert LED lighting briefly from time to time This indicates that the Gateway has detected a hacker attack from the Internet and has prevented it from harming your network You need take no specific action on this u...

Page 80: ... of the software image file 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 Do not forget to reconfigure the computer you used for the software upload If the Gateway does not resume normal...

Page 81: ...y supports VPN passthrough which allows VPN clients on the LAN to communicate with VPN hosts on the Internet It is also possible to set up VPN hosts on your LAN that clients elsewhere on the Internet can connect to but this is not a recommended configuration Where can I download software upgrades for the Gateway Upgrades to the Gateway software are posted on the 3Com support web site accessible by...

Page 82: ...82 CHAPTER 6 TROUBLESHOOTING ...

Page 83: ... 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 Discovery will find the Gateway even if it is unconfigured or misconfigured Figure 62 Discovery Welcome Screen 2 When the Welcome screen is displayed click on Next and wait until the application discovers the Gateways connected to your LAN ...

Page 84: ...ay Screen 3 Figure 64 shows an example Discovered Devices screen Highlight the Wireless Cable DSL Gateway by clicking on it and press Next Figure 64 Discovery Finish Screen 4 Click on Finish to launch a web browser and display the login page for the Gateway ...

Page 85: ...vice over the network the Gateway must be correctly configured with the following IP information An IP address A Subnet Mask IP Addresses and Subnet Masks Each device on your network must have a unique IP address to operate correctly 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...

Page 86: ...e 192 168 100 identifies the network on which the device resides Part two 8 identifies the device within the network 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 Gateway might be configured Table 3 IP Addressing and Subnet Masking Type Two In larger networks where there are more devices the IP address o...

Page 87: ...h gets reallocated once you disconnect from the network DHCP will work on any client Operating System such as Windows 95 Windows 98 or Windows NT 4 0 Also using DHCP means that the same IP address and subnet mask will never be duplicated for devices on the network DHCP is particularly useful for networks with large numbers of users on them Static Addressing You must enter an IP Address and the sub...

Page 88: ... 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 Automatic IP addressing support was introduced by Microsoft in the Windows 98 operating system and is also supported in Windows 2000 ...

Page 89: ... Cable or DSL modem connection 10 100 FD LAN connection four 10Mbps 100Mbps dual speed Ethernet ports 10BASE T 100BASE TX 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 Width 220 mm 8 7 in Depth 135 mm 5 3 in Height 24 mm 1 in Weight Approximately 535 g 1 2 lbs Standards Functional ISO 8802 3 IEEE 802 3 ...

Page 90: ...ng Systems The Cable DSL Gateway will support the following Operating Systems Windows 95 98 Windows NT 4 0 Windows ME Windows 2000 Windows XP Mac OS 8 5 or higher Unix Ethernet Performance The Cable DSL Gateway complies to the IEEE 802 3i u and x specifications Cable Specifications The Cable DSL Gateway supports the following cable types and maximum lengths Category 3 Ethernet or Category 5 Fast E...

Page 91: ...allback to 5 5 2 or 1Mbps Maximum channels 13 Range up to 304 8m 1000ft Frequency US Canada Europe 2 400 2 4835 GHz Sensitivity 1 2 5 5Mbps 80dBm 11Mbps 76dBm typical Modulation CCK BPSK QPSK Encryption 40 64bit 128 bit WEP Maximum clients 32 O P Power 15dBm 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 Width 220 mm 8 7 i...

Page 92: ...07 15 209 15 247 and 15 249 ETS 300 328 2 4 GHz ISM band wide band transmission systems Environmental EN 60068 IEC 68 See Safety Information on page 95 for conditions of operation System Requirements Operating Systems The Wireless Cable DSL Gateway will support the following Operating Systems Windows 95 98 Windows NT 4 0 Windows ME Windows 2000 Windows XP Mac OS 8 5 or higher Unix Ethernet Perform...

Page 93: ...ms to the WiFi interoperability test standard Cable Specifications The Wireless Cable DSL Gateway supports the following cable types and maximum lengths Category 3 Ethernet or Category 5 Fast Ethernet or Dual Speed Ethernet Twisted Pair shielded and unshielded cable types Maximum cable length of 100m 327 86 ft ...

Page 94: ...94 APPENDIX C TECHNICAL SPECIFICATIONS ...

Page 95: ...WARNING Only stack the Gateway with other OfficeConnect units WARNING To ensure compliance with international safety standards only use the power adapter that is supplied with the unit WARNING The socket outlet must be near to the unit and easily accessible You can only remove power from the unit by disconnecting the power cord from the outlet WARNING This unit operates under SELV Safety Extra Low...

Page 96: ... bei den zuständigen Stellen ob die Verwendung von Funkfrequenz in dem Bereich in dem der Bluetooth Access Point eingesetzt werden soll erlaubt ist VORSICHT Bei der Installation und beim Ausbau des Geräts ist mit höchster Vorsicht vorzugehen VORTSICHT Stapeln Sie das Geräts nur mit anderen OfficeConnect Gerätes zusammen VORSICHT Aufgrund von internationalen Sicherheitsnormen darf das Gerät nur mit...

Page 97: ... toutes les consignes Nous vous demandons de lire attentivement les consignes suivantes de sécurité avant d installer ou de retirer l appareil AVERTISSEMENT La Gateway fournit et utilise de l énergie radioélectrique radio fréquence rf L utilisation de l énergie radioélectrique est interdite dans certains environnements L utilisateur devra se renseigner sur l autorisation de cette énergie dans la z...

Page 98: ...lisateurs 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 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 ...

Page 99: ...INEERING You may transfer the Software Documentation and the licenses granted herein to another party in the same country in which you obtained the Software and Documentation if the other party agrees in writing to accept and be bound by the terms and conditions of this Agreement If you transfer the Software and Documentation you must at the same time either transfer all copies of the Software and...

Page 100: ...applicable to the Software are as stated on the Limited Warranty Card or in the product manual whether in paper or electronic form accompanying the Software Such warranties and limitations of liability are incorporated herein in their entirety by this reference GOVERNING LAW This Agreement shall be governed by the laws of the State of California U S A excluding its conflicts of laws principles and...

Page 101: ...ComCast Cox Excite Rogers Shaw Insight Videotron PPPoE DSL Usually special software installed on PC MacPOET WinPOET EnterNet 300 The Gateway has this software built in and you can remove it from your PC You will need to enter the user name and password that your ISP provided to you in the PPPoE page of the Gateway Leave the service name blank unless your ISP requires it Bell Century Tel Citizens P...

Page 102: ... the Internet Settings page CableSpeed Cnet Direct Link Drizzle DSL Extreme Earthlink Wireless Fast Point Flashcom GTE WhirlWind Heavenet HSA Corp I 55 InterAccess LinkLine Mission Nauticom NAS Omitel Onterra Phatpipe Rhythms Speakeasy Sterling XO Zyan Static Cable Cable Modem Always on ISP assigns specific IP information which needs to be entered on the Fixed IP page of the Gateway Cox Cable Spri...

Page 103: ... with each other If connected to an Ethernet network the access point monitors Ethernet traffic and forwards appropriate Ethernet messages to the wireless network while also monitoring wireless client radio traffic and forwarding wireless client messages to the Ethernet LAN Ad Hoc mode Ad Hoc mode is a configuration supported by most wireless clients It is used to connect a peer to peer network to...

Page 104: ...ar to any radio device the OfficeConnect Wireless Cable DSL gateway allows you to choose different radio channels in the wireless spectrum A channel is a particular frequency within the 2 4GHz spectrum within which the Gateway operates Client The term used to described the desktop PC that is connected to your network DHCP Dynamic Host Configuration Protocol This protocol automatically assigns an I...

Page 105: ...D entered into the gateway and each of it s wireless clients Ethernet A LAN specification developed jointly by Xerox Intel and Digital Equipment Corporation Ethernet networks use CSMA CD to transmit packets at a rate of 10 Mbps over a variety of cables Ethernet Address See MAC address Fast Ethernet An Ethernet system that is designed to operate at 100 Mbps Firewall Electronic protection that preve...

Page 106: ...r Gateway see also Ad Hoc mode IP Internet Protocol IP is a layer 3 network protocol that is the standard for sending data through a network IP is part of the TCP IP set of protocols that describe the routing of packets to addressed devices An IP address consists of 32 bits divided into two or three fields a network number and a host number or a network number a subnet number and a host number IP ...

Page 107: ...xchanging information or sharing resources Networks vary in size some are within a single room others span continents Network Interface Card NIC A circuit board installed into a piece of computing equipment for example a computer that enables you to connect it to the network A NIC is also known as an adapter or adapter card Protocol A set of rules for communication between devices on a network The...

Page 108: ...y more sophisticated 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 ensuring that the information sent arrive...

Page 109: ...lso 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 Area Another term for ESSID Extended Service Set Identifier Wizard A Windows application that automates a procedure such as installation or configuration WLAN Wireless Local Area Network A WLAN is a group of computers and devices connected tog...

Page 110: ...110 GLOSSARY ...

Page 111: ...pplication 83 DMZ 61 DNS 26 36 37 58 59 60 primary 36 37 57 secondary 36 37 57 Dynamic 55 Dynamic IP Address 35 55 61 F Firewall 61 68 Forgotten Password 76 G Gateway 13 I Internet addresses 85 Internet Addressing Mode 33 Internet Settings 55 dynamic IP address 55 PPPoE 55 PPTP 55 static IP address 55 IP Address 22 36 38 45 85 IP Allocation 56 ISP Connection 56 ISP Gateway Address 36 L LAN 38 44 L...

Page 112: ...al 89 Static Addressing 87 Static IP Address 55 57 Status 73 Subnet Mask 36 38 85 Summary 40 Support Information 73 Support Links 73 T TCP IP 25 27 38 85 Technical specifications 89 standards 89 Time Zone 32 69 U Unit Configuration 44 Upgrade 71 V Virtual Servers 61 62 W WAN 33 Web Proxy 28 Wireless authorised PCs 51 channel selection 46 client list 53 configuration 46 connection control 50 encryp...

Page 113: ... not installed and used in accordance with the instructions may cause harmful interference to radio communications However there is no guarantee that interference will not occur in a particular installation FCC Declaration of Conformity We declare under our sole responsibility that the Model Description 3C857 Cable DSL Gateway to which this declaration relates is in conformity with the following s...

Page 114: ...using Equipment Regulations Cet appareil numérique de la classe B respecte toutes les exigences du Règlement sur le matériel brouilleur du Canada BSMI Statement VCCI Statement FCC CAUTION To assure continued compliance for example use only shielded interface cables when connecting to computer or peripheral devices any changes or modifications not expressly approved by the party responsible for com...

Page 115: ... interference in a residential installation This equipment generates uses and can radiate radio frequency energy and if not installed and used in accordance with the instructions may cause harmful interference to radio communications However there is no guarantee that interference will not occur in a particular installation Channels Country 1 13 Australia Austria Bahrain Belarus Belgium Chile Chin...

Page 116: ...he Federal Communications Commission helpful How to Identify and Resolve Radio TV Interference Problems This booklet is available from the U S Government Printing Office Washington DC 20402 Stock No 004 000 00345 4 In order to meet FCC emissions limits this equipment must be used only with cables which comply with IEEE 802 3 FCC Declaration of Conformity We declare under our sole responsibility th...

Page 117: ...73 23 EEC EMC Directive 89 336 EEC as amended by European Directive 93 68 EEC and the Radio and Telecommunications Terminal Equipment Directive 99 5 EC CSA Statement This Class B digital apparatus meets all requirements of the Canadian Interference Causing Equipment Regulations Cet appareil numérique de la classe B respecte toutes les exigences du Règlement sur le matériel brouilleur du Canada BSM...

Page 118: ...ireless 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 Potential RF Interference Canada CAUTION To prevent radio interference to the licensed service this device is intended to be operated indoors and away from windows to provide maximum shielding Equipment or it s transmit an...

Page 119: ......

Page 120: ...services visit our World Wide Web site at www 3com com All specifications are subject to change without notice Copyright 2002 3Com Corporation All rights reserved 3Com and OfficeConnect are registered trademarks of 3Com Corporation All other company and product names may be trademarks of their respective companies DUA0085 5AAA04 ...

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