3Com 3CRWE754G72-A/B Owner's Manual
Contents
1. Safety Information WARNING Please read the Important Safety Information section in the Support and Safety Information sheet before you start AN VORSICHT Bitte lesen Sie den Abschnitt Wichtige Sicherheitsinformationen sorgf ltig durch bevor Sie das Ger t einschalten ZN AVERTISSEMENT Veuillez lire attentivement la section Consignes importantes de s curit avant de mettre en route When positioning your Router ensure e The unit is centrally located to the wireless computers that will connect to the Router A suitable location might be on top of a high shelf or similar furniture to optimise wireless connections to computers in both horizontal and vertical directions allowing coverage throughout It is out of direct sunlight and away from sources of heat e Cabling is away from power lines fluorescent lighting fixtures and sources of electrical noise such as radios transmitters and broadband amplifiers e In order to meet FCC radiation exposure regulations the Router should be located in a position that maintains a minimum distance of 20 cm 8 inches from any personnel refer to the User Guide for details e Water or moisture cannot enter the case of the unit e 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 25 mm 1 in clearance Using the Rubber Feet Use the four self adhesive rubber feet to prevent your Router from mo2. Connecting to a Hub or Switch To share your Router with more than four users you will need an additional Hub or Switch Connect a LAN port of your Router to the hub or switch for example OfficeConnect Dual Speed Switch 8 Plus 3Com OfficeConnect ADSL Wireless 11g Firewall Router Wireless Users Example Network with OfficeConnect ADSL Wireless 11g Firewall Router Connecting to the Wireless LAN 1 Now you have configured the Router via the wired computer you can connect to the Router via a wireless computer The Router and wireless clients must have both the same SSID and the same WEP settings All wireless clients must use Infrastructure mode The default wireless settings for the Router are SSID is 3Com Channel 11 WEP Encryption is off 2 If you do not have a Wireless LAN you can use the Router s default settings Ensure that your wireless clients have the default SSID channel and WEP as detailed above If you have an existing Wireless LAN configure the Router to use the same SSID and WEP settings to be compatible with your existing wireless network SSID Channel Number 3 If your computer has both a wired and wireless NIC installed you must ensure that only one NIC is used to communicate with the LAN To use the wireless NIC unplug the Ethernet cable and reboot your computer 4 Launch your web browser and attempt to browse to an internet web site such as www 3com com If you can su
3. QO Wireless Antennae The antennae on the product should be placed in a V position O Power Adapter socket Only use the 12V power adapter that is supplied with this Router Do not use any other adapter ED Ethernet ports Ro N Using suitable RJ45 cables you can connect your Router to a computer 10 ADSL or to any other piece of equipment that has an Ethernet connection The ADSL port is used to connect to the ADSL wall socket connection for example a hub or a switch These ports have an automatic MDI MDIX Use the RJ11 cable to connect from the Router ADSL port to the ADSL feature which means either straight through or a crossover cable can all Coanechon 3Com Corporation Corporate Headquarters 350 Campus Drive Marlborough MA 01752 3064 O Reset Button be used Copyright 2004 3Com Corporation All rights reserved 3Com the 3Com logo and OfficeConnect are registered trademarks 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 DIA0075 4AAA01 Published January 2004 If you want to reboot the Router then press the reset button for 1 second If you want to reset the Router to factory default and cannot access the web management interface for example due to a lost password then press the reset button for 5 seconds Positioning and Installing your Router
4. About Your Router front Introduction This Guide takes you through the basic steps necessary to install and configure your OfficeConnect ADSL Wireless 11g Firewall Router and establish a connection from your computers to the Internet Throughout this guide the OfficeConnect O ADSL Wireless 11g Firewall Router is simply referred to as the Router Note 3Com recommends that the Router is configured from a wired Ethernet computer during the initial set up Your package contains e One 12V power adapter for use with the Router e Four rubber feet e One RJ11 cable e One CD ROM containing the User Guide Green Link Flash Activity OfficeConnect ADSL Wireless 11g Firewall Router e This Installation Guide m DSL mLAN Status 4 SOMITE AGI A Power SYNC Online WLAN 1 2 3 4 e One Support and Safety Information Sheet e One Warranty Flyer 1 Power LED green If the LED is on it indicates that the Router is powered on Wireless LAN WLAN Status LED green If the LED is on it indicates that wireless networking is enabled If the LED is flashing the link is OK and data is being transmitted or received If the LED is off the Wireless LAN has been disabled in the Router or there is a e You already have an ADSL broadband account problem refer to the User Guide e You have a computer that has an Ethernet connection available and is already correctly configured for communication with the Internet Your computer must b
5. The Router should be showing a green Power LED If it is not check the power adapter connection Do not use any power adapter with your Router other than the one supplied Ensure that the computer is configured to the Router The Router should be displaying a green LAN Status LED If it is not check that the computer is connected to one of the Router s LAN ports with an Ethernet cable 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 If you are unable to access the Router 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 Ensure your computer is configured correctly Make sure that the computer obtains an IP address automatically from the Router s DHCP server ISP Connection Methods Before you can configure the Router you need to know the IP allocation method used by your ISP There are 4 different methods the Router can use to connect to the internet as described below For all methods you need to know the VPI Virtual Path Identifier VCI Virtual Channel Identifier and the Encapsulation LLC or VC Mux The Router defaults for the VPI and VCI should cater for most ISPs Your ISP can provide you w
6. ccessfully access this site then your wireless computer and Router have been successfully configured 5 3Com strongly recommends that you enable WEP encryption to improve the security of your wireless network and you change the SSID to something other than the default Consult the on line help or the User Guide for details Installing a Splitter and Micro filter A splitter and micro filter allow you to use your Router and telephone at the same time The splitter connects to the ADSL wall connection and then provides 2 connectors a A RJ11 connector which connects to the Router with the RJ11 cable b A telephone jack connector which can be connected to your telephone There must also be a micro filter between the splitter and the telephone The micro filter ensures that DSL data signal does not interfere with the telephone voice signal A micro filter must be installed inline with each telephone to prevent signal interference Splitters are now available with built in micro filters which simplifies the set up as shown in the diagram below Splitters and micro filters can be obtained from your ISP or computer store Combind Splitter Wall and Micro filter socket OfficeConnect ADSL Wireless 11g Firewall Router For Telephone Extensions Wall Micro filter socket Problem Solving If you are experiencing difficulties with your installation try the following e Ensure all networking equipment is switched on
7. e able to connect to the Internet via the modem and must have a Web browser installed System Requirements Before starting you must ensure the following SYNC LED green If the LED is on it indicates that the DSL connection is present This LED flashes during configuration at power up LAN Status LED green 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 User Guide The port will automatically adjust to the correct speed and duplex OfficeConnect amp Online LED green If the LED is on it indicates that your Username Password has been e There are no other DHCP server devices on your local network that are authenticated successfully with your ISP responsible for allocating IP addresses to your computers and other network connected devices Your Router will now perform this function by default ADSL Wireless 119 Firewall Router 3CRWE7 54G72 A B e f you require wireless access you have a computer with a wireless 802 11b or 802 11g adapter card installed If one or more of these conditions are not met refer to the comprehensive Router User Guide provided on the accompanying CD ROM for further guidance About Your Router back O pO O pO IE
8. ith the required information 1 PPPoE To configure the Gateway you will need to know the Username and Password to login to you ISP account If you have been using a PPPoE client on your PC then you can disable it as it is no longer needed If your ISP provides you with a static IP address then this can be typed in the Internet Settings section of the Router web management screens Otherwise your IPS will automatically assign your Router an IP address 2 PPPoA This is similar to PPPoE but is used mainly in the UK To configure the Gateway you will need to know the Username and Password to login to your ISP account If Your ISP provides you with a static IP address then this can be typed into the Internet Settings section of the Router web management screens Otherwise your ISP will automatically assign your router an IP address 3 Bridge Mode for a Single PC RFC 1483 Bridging Mode In this mode the Router is set into a Bridging mode to connect the LAN and WAN networks together Traffic is limited between the 2 networks based on hardware addresses and so limits the LAN side to a single PC 4 Routing Mode over ATM RFC 1483 Bridging Mode The Routing mode over ATM means that the Router has a fixed IP address to connect to the internet Your ISP will provide the Router with a fixed IP address the subnet mask and the ISP s Gateway address This information must be entered into the Internet Settings section of the Router web manage
9. ment screens DSL Internet Connections e If you have an existing DSL line and have PPPoE client software installed on your computer you will need to disable it e t is important that you set up the correct VPI VCI parameters and Encapsulation LLC or VC Mux method to match up with your DSL line These parameters can be obtained from your ISP e Check that the PPPoE PPPOA settings are correct For example Username Password and IP address configuration e You must use a splitter to separate the Router from your telephone A micro filter can then be used in line with the telephone to ensure that the Router and telephone do not interere with each other Ensure that a micro filter is not fitted directly inline with the Router Wireless Configuration If you are unable to access the wireless LAN Ensure that the wireless client is set to infrastructure mode If you have a wired and wireless NIC in the same computer ensure that the wired NIC is disabled Ensure that the SSID is the same for the wireless client and the Router Ensure that the Router WLAN LED is on If not go to the Wireless Settings menu and enable Wireless Networking Ensure that WEP Wired Equivalent Privacy is the same for the wireless client and the Router If there are problems turn WEP off in the client and the Router until you have established a wireless connection
10. ving around on your desk or when stacking with other flat top units Only stick the feet to the marked areas at each corner of the underside of your Router Running the Setup Wizard 1 If you haven t already done so restart your computer 2 Launch your web browser and attempt to contact the Router by typing the following URL in the location bar http 192 168 1 1 If you can access the Login page then your computer has correctly received an IP address from the Router 3 Login using the default password lt admin gt The Wizard will attempt to launch automatically but if it fails select Wizard from the menu 4 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 your account up Connecting to the Internet When the Wizard has completed attempt to browse to an Internet web site such as www 3com com If you can successfully access this site then your computer and Router have been correctly configured Power Supply Unit Connecting Your Router 1 Connect the power adapter to the Router and wait for the WLAN LED to illuminate 2 Ensure that your computer is switched on 3 Connect your computer to one of the 10 100 LAN ports on the Router Check that the LAN Port Status LED lights 4 Connect the RJ11 cable from the ADSL port of the Router to your ADSL socket on the wall
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