3Com 9400 manual Appendix D Technical Support

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58 APPENDIX D: TECHNICAL SUPPORT

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Contents CoreBuilder United States Government Legends Japan Vcci Class a ComplianceAustralian EMC Frameworks Compliance Page Contents System Specifications Finding Specific Information in This Guide IntroductionFor information on Icon Type Description ConventionsFor information on Turn to Convention DescriptionCoreBuilder 9400 Documentation Paper DocumentsYear 2000 Compliance Documentation CommentsSoftware and Documents on CD-ROM CoreBuilder 9400 Intelligent Switch System Features and BenefitsSpeeding Up Server Access Network Configuration ExampleSystem Management System Overview Front Panel 10BASE-TXSystem Overview Back Panel Back Panel of the CoreBuilder 9400 SystemSuperStackII Switch System Overview Sample ApplicationSystem and Setup Overview Before You Begin Installing the System on a Table TopQty To use Installing the System in a Distribution Rack Installing System Mounting BracketsFiber Safety Precautions Overview of CablingCabling Gigabit Ethernet Ports Guidelines for Gigabit Ethernet CablingCabling 1000BASE-SX Ports Cabling Gigabit Ethernet PortsSystem is powered on and running Cabling 1000BASE Gbic PortsSC connector cover Connecting the LX Transceiver to MMF When you cable Gbic transceivers, note that the SC Cabling the Console Port Cabling the Out-of-Band Management Port Pin No Signal DescriptionConsole Port Pin Assignments Male RJ-45 connector 10BASE-T cable System Power UP Power UpSystem Diagnostics Power-up DiagnosticsGigabit Ethernet Port Diagnostics Check Description Next Step Software ConfigurationSystem Checks SystemSystem Power UP Access Allows you to Using Mechanism About CoreBuilder 9400 System ManagementModem Connection Terminal ConnectionIP Management Interface Initial Management Access Changing the Console Port Baud SettingIn-band Management Configuring the IP InterfaceOut-of-band Management Getting Additional Help Diagnosing ProblemsPower Failures Abnormal LED ActivitySymptom Possible Sources of the Problem Steps to Take Diagnosing Problems LED Status Possible Sources of the Problem Steps to TakeCleaning Dirty Fiber Optic Ports and Connectors Power Supply Specifications Physical DimensionsSafety Agency Certifications Environmental RequirementsSnmp protocol RFC Software Tftp RFC InstallationStandard Type RFC/IEEE Supported MIB II RFCRemoving and Replacing the Power Supply Safety PrecautionsPower Supply Assembly Removal and Replacement AudienceRemoving and Replacing the Power Supplies Fan Tray Assembly Removal and Replacement Fan Tray Assembly Removal and ReplacementAppendix B FIELD-REPLACEABLE Units General Safety Requirements Wiring Closet RecommendationsProtective Grounding for the Rack Distribution Rack RequirementsSpace Requirements for the Rack Recommended Service Access Mechanical Requirements for the RackBuilding and Electrical Codes Building CodesNfpa Electrical CodesAppendix C Site Requirements and Safety Codes 3Com Knowledgebase Web Services Online Technical ServicesWorld Wide Web Site 3Com FTP Site 3Com Bulletin Board Service3Com Facts Automated Fax Service Country Data Rate Telephone NumberSupport from Your Network Supplier Support from 3ComEurope Country Telephone Number Asia Pacific RimCountry Latin AmericaReturning Products for Repair Country Telephone Number Fax NumberAppendix D Technical Support Index NumbersIndex Recommendations World Wide Web WWW 50, 51 Index 3Com Corporation Limited Warranty CoreBuilder 9400 High-Availability SwitchWarranties Exclusive