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Contents 3Com Router 5000 Family 3Com Corporation Campus Drive Marlborough Page Page Contents Register Your Product to Gain Service Benefits Introduction Software Maintenance under v 3.11 EnvironmentContents Contents About This Guide Documentation ConventionsRelated Pddtechpubscomments@3com.com CommentsAbout This Guide Router AboutEthernet access solution By extending SICs and MIMs, 3C13701 3Com RouterSystem description of 3Com Router Router 5012 IndicatorsSystem Description SLOT1~3 READY/ACTIVE 3C13751Ready LEDs of 3Com 5232 RouterNvram 3Com Router 5642 Front view of 3Com Router Router 5642 Indicators3C13755 Router 5642 Indicators 3Com Router 5682 Front view of 3Com Router 3C13759Router 5682 Indicators Introducing the Router 5000 Family Standard rack, as shown in Figure Installing the Router on a WorkbenchInstalling Router in a RackPgnd Wire Power Cords Grounds and CablesAC Power Cord AC power supply Power CordAC Power Connector Recommended power outletAttributes of the console port Console Terminal Introduction to console portConsole cable Attributes of the Ethernet interface Router to LAN ConnectionIntroduction to the Ethernet interface Ethernet cableAUX cable Router to WANConnection Introduction to the AUX portAttributes of the synchronous/asynchronous serial interface WAN Interface toTransmission rate and distance of V.24 RS232/V.35 cable Attributes of the synchronous/asynchronous serial interfaceDTE and DCE DTE cable assembly 24 RS232 DCE cable assembly35 DCE cable assembly 35 DTE cable assembly21 DTE cable assembly V24 DTE cable assembly 35 DCE cable assembly E1 interface attributes E1 interface to DSU/CSU75Ω unbalanced coax cable 120Ω balanced twisted pair cableE1 120Ω balanced twisted pair cable T1interface attributes T1 interface to DSU/CSUStartup Router Setting up Configuration EnvironmentConnecting the router to a console terminal Setting the parameters for console terminalSetting the connection port in the local configuration Powering on the router Checking before power-onChecking/operating after power-on Press Enter and the screen will display Interface ConfigurationCharacteristics of the command line interface Fundamentals RouterCommand line interface Starting and Configuring the Router Console TroubleshootingPower System Troubleshooting of nothing being displayed on the terminalSdram Troubleshooting of repeated rebootApplication Software UpgradeTroubleshooting Application image file main software Configuration fileIntroduction Router manages three types of filesEnvironment Maintenance underBoot Menu SoftwareDefault names and types of the boot files =MAIN B=BACKUP S=SECURE Flag set successfully Upgrading the application image Upgrading Software through XmodemDownload completed Upgrading the entire Boot ROM image Upgrading the application image through Ethernet Router Software Maintenance Software Maintenance under v 3.11 Environment Loss Router PasswordPassword loss. They can help you to set a new password Dealing with aProduct to Gain Service BenefitsSolve Problems Online Register YourPurchase Extended WarrantyServices Access SoftwareSupport and Repair Contact UsTelephone Technical Country Telephone Number US and Canada Telephone Technical Support and Repair Appendix a Obtaining Support for Your 3COM Products
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