3Com OfficeConnect 3C857 User Manual Download Page 109

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LOSSARY

109

WEP

Wired Equivalent Privacy. A shared key encryption mechanism for wireless
networking. Encryption strength is 40/64 bit or 128 bit.

WiFi

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

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 together by wireless in a relatively small area (such as a
house or office).

Summary of Contents for OfficeConnect 3C857

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: ...n 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 oth...

Page 3: ...dvantages 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 Usin...

Page 4: ...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 Co...

Page 5: ...ssword 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 W...

Page 6: ...AL 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...

Page 7: ...ms 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...

Page 8: ...aution 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 Conven...

Page 9: ...ical 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...

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

Page 11: ...twork 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 T...

Page 12: ...se 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 computer...

Page 13: ...ress 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...

Page 14: ...fficeConnect 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 Netsca...

Page 15: ...aults 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...

Page 16: ...le 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 Ch...

Page 17: ...e 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 compu...

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

Page 19: ...ttentivement la section Consignes importantes de s curit avant de mettre en route Positioning the Gateway You should place the Gateway in a location that is conveniently located for connection to the...

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...

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...

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 Connec...

Page 23: ...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 on...

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

Page 25: ...ge 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...

Page 26: ...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 Proto...

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 t...

Page 28: ...reen 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...

Page 29: ...er 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 displ...

Page 30: ...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 Gatew...

Page 31: ...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 Sc...

Page 32: ...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...

Page 33: ...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...

Page 34: ...e 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 al...

Page 35: ...uirement 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...

Page 36: ...tic 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...

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 s...

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...

Page 39: ...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 p...

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 config...

Page 41: ...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...

Page 42: ...xample 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...

Page 43: ...d 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...

Page 44: ...en 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 Sett...

Page 45: ...ts 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...

Page 46: ...u 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 A...

Page 47: ...reless 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 encr...

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 commu...

Page 49: ...re 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 hexadecim...

Page 50: ...actly 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 K...

Page 51: ...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 oper...

Page 52: ...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...

Page 53: ...ress 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 Gatew...

Page 54: ...rofile 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...

Page 55: ...hod 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 P...

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 Sele...

Page 57: ...mation 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 S...

Page 58: ...d 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 appropria...

Page 59: ...n 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...

Page 60: ...ent 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 Europea...

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...

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 Figur...

Page 63: ...l 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...

Page 64: ...ssued 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 act...

Page 65: ...ateway 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...

Page 66: ...ering 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...

Page 67: ...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...

Page 68: ...all 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 singl...

Page 69: ...mulating 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...

Page 70: ...ces 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 d...

Page 71: ...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...

Page 72: ...ogs 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 represe...

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...

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

Page 75: ...nd 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 stat...

Page 76: ...ble 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 ve...

Page 77: ...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...

Page 78: ...and 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 exa...

Page 79: ...s 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 ligh...

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 Gu...

Page 81: ...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 c...

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 misconfigure...

Page 84: ...y 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...

Page 85: ...ice 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...

Page 86: ...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 a...

Page 87: ...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...

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 w...

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...

Page 90: ...g 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 DS...

Page 91: ...llback 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 Encryptio...

Page 92: ...7 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 O...

Page 93: ...s 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...

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

Page 95: ...ARNING 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 sock...

Page 96: ...h bei den zust ndigen 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 G...

Page 97: ...ent toutes les consignes Nous vous demandons de lire attentivement les consignes suivantes de s curit avant d installer ou de retirer l appareil AVERTISSEMENT La Gateway fournit et utilise de l nergie...

Page 98: ...ateurs ou entretenues par les utilisateurs l int rieur du moyeu Si vous avez un probl me physique avec le moyeu qui ne peut pas tre r solu avec les actions de la r solution des probl mes dans ce guide...

Page 99: ...NEERING 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...

Page 100: ...pplicable 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...

Page 101: ...omCast 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 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...

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...

Page 104: ...r 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...

Page 105: ...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 pa...

Page 106: ...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...

Page 107: ...changing 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 equi...

Page 108: ...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 sta...

Page 109: ...so 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...

Page 110: ...110 GLOSSARY...

Page 111: ...plication 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 Interne...

Page 112: ...l 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 Z...

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 install...

Page 114: ...sing Equipment Regulations Cet appareil num rique de la classe B respecte toutes les exigences du R glement sur le mat riel brouilleur du Canada BSMI Statement VCCI Statement FCC CAUTION To assure con...

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 inte...

Page 116: ...e 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 00...

Page 117: ...3 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 meet...

Page 118: ...reless 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 Interferen...

Page 119: ......

Page 120: ...ervices 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...

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