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3Com Corporation, Corporate Headquarters,

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All specifications are subject to change without notice.

3Com and OfficeConnect are registered trademarks of

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Содержание OfficeConnect 3C857

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 10: ...10 ABOUT THIS GUIDE...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

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

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 24: ...24 CHAPTER 2 HARDWARE INSTALLATION...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 74: ...74 CHAPTER 5 GATEWAY CONFIGURATION...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 82: ...82 CHAPTER 6 TROUBLESHOOTING...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 94: ...94 APPENDIX C TECHNICAL SPECIFICATIONS...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 110: ...110 GLOSSARY...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 119: ......

Страница 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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