3Com 3C855 Network Router User Manual
Contents
1. a protocol other then PPPoE you do not need any further information PPPoE Client Software If you have PPPoE client software installed on your computer you will need to disable it To do this 1 From the Windows Start menu select Settings gt Control Panel 2 Double click on nternet Options 3 Select the Connections Tab A screen similar to Figure 1 should be displayed 4 Select the Never Dial a Connection option free resources as it is not required for use with the Sh WinPok vi 8s Conpecten fl mati Chasse LEEN IEU eed be CITE i pea of armaria airg Gateway ie ghermana an e a rel gee P ima iar ie oprea E s Loca iona irra FAM eter LAR peip i ad app ia a Ei Targi Chet EE e be kah ee LAH piigi OF Cancel aa Sa Figure 1 G CHANGING YOUR NETWORK S CONFIGURATION Once the Wizard has completed the Gateway is ready for use Before you can use it to access the Internet you may need to make some changes to the configuration of your computers depending on how they are set up As a minimum you must ensure that your computers are configured to obtain an IP address automatically To do this on Windows 2000 1 From the Windows Start Menu select Settings gt Control Panel Double click on Network and Dial Up connections Double click on Local Area Connection Click on Properties U A W N A screen similar to Figure 3 should be displayed Select Internet Proto2. Com Corporation Corporate Headquarters 5400 Bayfront Plaza Santa Clara CA 95052 8145 Copyright 2001 3Com Corporation All rights reserved 3Com and OfficeConnect are registered trademarks of 3Com Corporation The 3Com logo is a trademark of 3Com Corporation Microsoft MS DOS and Windows are registered trademarks of Micorsoft Corporation All other company and product names may be trademarks of their respective companies Part number DIA0085 5AAA01 Published November 2001 have a Web browser installed e There are no other DHCP server devices on your local network that are responsible for allocating IP addresses to your computers and other network connected devices If one or more of these conditions are not met refer to the comprehensive Gateway User Guide provided on the accompanying CD ROM for further guidance ABOUT YOUR GATEWAY Cable DSL Gateway Front LAN Status Sj 1 2 4 Green 100M Yellow 10M Flash Activity Alert LED orange Indicates a number of different conditions as described below Off The Gateway is operating normally Flashing quickly Indicates one of the following conditions e The Gateway has just been started up and is running a self test routine or e The administrator has invoked the Reset to Factory Defaults command or e The system software is in the process of being upgraded In each of these cases wait until the Gateway has completed the current operation
3. INTRODUCTION DIMENSIONS AND STANDARDS POSITIONING YOUR GATEWAY Safety Information CAN SCOM Dimensions and Operating Conditions Standards Functional About This Guide This Guide takes you through the basic steps necessary to install and configure your OfficeConnect Cable DSL Gateway and establish a connection from your computers to the Internet Throughout the OfficeConnect Cable DSL Gateway is simply referred to as the Gateway WARNING Please read the Important Safety Information section in the Support and Safety Information sheet before you start VORSICHT Bitte lesen Sie den Abschnitt Wichtige Sicherheitsinformationen sorgf ltig durch bevor Sie das Ger t einschalten AN AVERTISSEMENT Veuillez lire attentivement la section Consignes importantes de s curit avant de mettre en route Installation Guide ISO 8802 3 EMC IEEE 802 5 SOZU UL 1950 EN 60950 CSA 22 2 950 IEC60950 EN 55022 Class B EN 55024 FCC Part 15 Class B ICES 003 Class B VCCI Class B CNS 13438 Class A EN 60068 IEC 68 Refer to Regulatory Notices section in the Support and Safety Information sheet Safety Your Package Contains One OfficeConnect Cable DSL Gateway One power adapter for use with the Gateway Environmental Four rubber feet When positioning your Gateway ensure One Ethernet cable 1m 3 28 ft long One CD ROM containing the Gateway Discovery program and the User Guide EAbIeDsinG
4. and the alert LED is Off Cable DSL OfficeConnect Cable DSL Gateway Flashing slowly The Gateway has completed the Reset to Factory Defaults process and is waiting for you to reset the unit To do this remove power wait 10 seconds and then re apply power The Gateway will then enter the start up sequence and resume normal operation 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 the main User Guide Power LED green Indicates that the Gateway is powered on 135 4mm 5 3in Cable DSL Gateway 535g 1 3 Ib Cable DSL Gateway Rear 10 30 VDC 1 0 A MAX J Ethernet F Cable o DSL 3 Four LAN Status LEDs green 100M bps link yellow 10Mbps link If the LED is on the link between the port and the next piece of network equipment 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 or the connected device is switched off or there Is a problem with the connection refer to the Problem Solving section 4 Cable DSL Status LED yellow If the LED is on the link between the Gateway and the cable or DSL modem is OK If the LED is flashing the link is OK and data is being transmitted or received If the LED is off nothing is connected the m
5. ateray It is out of direct sunlight and away from sources of heat 7 VA 23 9 BThU hr Cabling is away from power lines fluorescent lighting fixtures and aaa ab sources of electrical noise such as radios transmitters and broadband This Installation Guide a amplifiers One Support and Safety Information Sheet 0 to 40 C 32 to 105 F Water or moisture cannot enter the case of the unit operating temperature One Warranty Flyer l l Air flow around the unit and through the vents in the side of the case is not restricted We recommend you provide a minimum of 25mm 1in clearance Using the Rubber Feet Use the four self adhesive rubber feet to prevent your Gateway from moving around on your desk or when stacking with other flat top OfficeConnect units Only stick the feet to the marked areas at each corner of the underside of your Gateway System Requirements Before starting you must ensure the following 0 to 90 non condensing humidity e You already have a cable or DSL broadband connection to the Internet with a suitable modem and that this connection works properly The modem must have an Ethernet port for connection to your Gateway You have a computer that has an Ethernet connection available and is already correctly configured for communication with the Internet Your computer must be able to connect to the Internet via the modem and must OfficeConnect Cable DSL Gateway 3C855 QN SCOM 3
6. col TCP IP and click on Properties 6 Ensure that the options Obtain an IP Address automatically and Obtain DNS servers automatically are both selected as shown in figure 4 Click OK 7 Restart your computer ae E aiaj os g Sg ge pp e g a eee m ee ee ee L Ba ie a j a ae T T glo H a TEE i i we ee Gali ara i E a a E a EE ee i E E _ lar Be emer i lt a E af a pe E i es LE m m oS Sa a a E E i l 2na EAA Cee eee E T r i a 2 2 pe e SS e i _ pare ell a A a F ee i l i T a aE ea a i lt Figure 3 Figure 4 To do this on Windows 95 98 and ME 1 From the Windows Start Menu select Settings gt Control Panel 2 Double click on Network Select the TCP IP item for your network card as shown in figure 5 and click on Properties alos araa Te 3 In the TCP IP dialog select the P Address tab and ensure that Obtain IP Ta m e e a g adress Se a automatically is ere eae a selected as shown TOSSES in figure 6 E ECA Click OK Figure 5 4 Restart your computer ed SI Figure 6 Accessing the Internet Launch your web browser and attempt to contact the Gateway by typing the following URL in the location bar http 192 168 1 1 if you changed the IP address use the address you allocated If you are able to access the Logi
7. covery application from the CD ROM This will always connect you to the Gateway For further Problem Solving and Technical Support information refer to the Gateway User Guide
8. lick on Next and wait until the application discovers the Gateways connected to your LAN Figure 2 shows an example Discovered Devices screen Highlight the Cable DSL Gateway by clicking on it and press Next Click on Finish to launch a web browser and display the login page for the Gateway Login using the default password admin The Wizard will attempt to launch automatically but if it fails select the Wizard tab and click on the Wizard button Where possible the Wizard will recommend settings for most parameters However there are some settings which you must provide Most of these will have been provided to you by your ISP when you set the account up Refer to section 1 for details Your existing Cable DSL OfficeConnect A Cable DSL Gateway 7 OfficeConnect Switch Figure 7 Example Network with OfficeConnect Cable DSL Gateway 7 By default 3Com recommends that you leave the LAN IP address for the Gateway as 192 168 1 1 However if you should choose to change it make a note of the new address 8 When the DHCP Server Settings page is displayed make sure that the Enable the DHCP Server with the following settings option is selected dio thicellennect Gateway Diccoyar 4 Ul iggi E eRe ig eliccr ect devices bavi os local ntooclh Fikiri chogte baa bis EAE Caha DEL G ake Figure 2 PROBLEM SOLVING If you are experiencing difficulties with your ins
9. n page then your computer has correctly received an IP address from the Gateway Finally attempt to browse to an Internet web site such as www 3com com If you can successfully access this site then your computer Gateway and internet modem have been correctly configured Refer to the Problem Solving section if you cannot make contact with the Gateway or the Internet ld cred eto ne You may wish to i remove the el Ns a EO ORE or client Pay Se software from ee Phair Haban aikaa your computer to PREPARING YOUR GATEWAY FOR USE Connecting Your Gateway Ar Connect the power adapter to the Gateway and wait for the Alert LED to stop flashing 2 Ensure that your modem and computer are both switched on 4 Use the supplied cable to connect the Gateway s Ethernet Cable DSL port to the modem Check that the Cable DSL Status LED lights Connect your computer to one of the 10 100 LAN ports on the Gateway Check that the LAN Port Status LED lights Refer to Figure 7 for an example configuration Running the Configuration Wizard 4 Insert the Gateway CD ROM in the CD ROM drive on your computer The Discovery application will attempt to start automatically but if it fails click on Start Run and enter d gateway discovery exe where d is your CD ROM drive letter Note Discovery will find the Gateway even if it is unconfigured or misconfigured When the Welcome screen is displayed c
10. odem is switched off or there is a problem refer to the Problem Solving section 5 Power Adapter socket Only use the power adapter that is supplied with this Gateway Do not use any other adapter 6 Ethernet Cable DSL port Use the supplied patch cable to connect the Gateway to the 10BASE T port on your cable or DSL modem This port will only operate at 10Mbps in half duplex mode Four 10 100 LAN ports Use suitable cable with RJ 45 connectors 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 All ports will automatically adjust for the correct speed duplex mode and cable type which means that you can connect devices to your Gateway using either straight through or crossover cables BEFORE YOU INSTALL YOUR GATEWAY Before you install and configure your Gateway you need the following additional information If you do not have this information contact your Internet Service Provider Space is provided below for you to record this information If your ISP allocates IP information dynamically over PPPoE you need your User Name and Password PPPoE User Name PPPoE Password If your ISP allocates fixed or static IP information you need the following information IP Address Subnet Mask Default Gateway address DNS address Note If your ISP allocates IP information dynamically over
11. tallation try the following e Ensure all networking equipment is switched on The Gateway should be showing a green Power LED If it is not check the power adapter connection Do not use any power adapter with your Gateway other than the one supplied e Ensure the Cable DSL Modem is connected The Gateway should be displaying a yellow Cable DSL Status LED If no LED is displayed check that your modem is switched on and that it is connected to the Cable DSL port with an Ethernet cable e Ensure that the computer is connected to the Gateway The Gateway should be displaying a green or yellow LAN Status LED If it is not check that the computer is connected to one of the Gateway s LAN ports with an Ethernet cable e Ensure your computer is configured correctly Make sure that the computer obtains an IP address automatically See Section 3 for details Ensure that the NIC card is configured for autonegotiation e Ensure that you do not have a web proxy enabled on your computer Go to the Control Panel and click on Internet Options Select the Connections tab and click on the LAN Settings button at the bottom Make sure that the Use Proxy Server option Is unchecked e If you are unable to access the Gateway s Web interface Launch a web browser and enter http 192 168 1 1 If you chose a different IP address use that instead Ensure that you include the http prefix e If you cannot remember the Gateway IP address Run the Gateway Dis
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