3Com 9400 manual Support from Your Network Supplier, Support from 3Com

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Support from Your Network Supplier

If you require additional assistance, contact your network supplier. Many suppliers are authorized 3Com service partners who are qualified to provide a variety of services, including network planning, installation, hardware maintenance, application training, and support services.

When you contact your network supplier for assistance, have the following information ready:

Product model name, part number, and serial number

A list of system hardware and software, including revision levels

Diagnostic error messages

Details about recent configuration changes, if applicable

If you are unable to contact your network supplier, see the following section on how to contact 3Com.

Support from Your Network Supplier

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Support from 3Com

If you are unable to obtain assistance from the 3Com online technical resources or from your network supplier, 3Com offers technical telephone support services. To find out more about your support options, call the 3Com technical telephone support phone number at the location nearest you.

When you contact 3Com for assistance, have the following information ready:

Product model name, part number, and serial number

A list of system hardware and software, including revision levels

Diagnostic error messages

Details about recent configuration changes, if applicable

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Contents CoreBuilder Japan Vcci Class a Compliance United States Government LegendsAustralian EMC Frameworks Compliance Page Contents System Specifications Finding Specific Information in This Guide IntroductionFor information on Convention Description ConventionsFor information on Turn to Icon Type DescriptionPaper Documents CoreBuilder 9400 DocumentationYear 2000 Compliance Documentation CommentsSoftware and Documents on CD-ROM System Features and Benefits CoreBuilder 9400 Intelligent SwitchSpeeding Up Server Access Network Configuration ExampleSystem Management 10BASE-TX System Overview Front PanelBack Panel of the CoreBuilder 9400 System System Overview Back PanelSystem Overview Sample Application SuperStackII SwitchSystem and Setup Overview Before You Begin Installing the System on a Table TopQty To use Installing System Mounting Brackets Installing the System in a Distribution RackOverview of Cabling Fiber Safety PrecautionsGuidelines for Gigabit Ethernet Cabling Cabling Gigabit Ethernet PortsCabling Gigabit Ethernet Ports Cabling 1000BASE-SX PortsCabling 1000BASE Gbic Ports System is powered on and runningSC 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 Power Up System Power UPSystem Diagnostics Power-up DiagnosticsGigabit Ethernet Port Diagnostics System Next Step Software ConfigurationSystem Checks Check DescriptionSystem Power UP About CoreBuilder 9400 System Management Access Allows you to Using MechanismModem Connection Terminal ConnectionIP Management Interface Changing the Console Port Baud Setting Initial Management AccessIn-band Management Configuring the IP InterfaceOut-of-band Management Abnormal LED Activity Diagnosing ProblemsPower Failures Getting Additional HelpSymptom Possible Sources of the Problem Steps to Take LED Status Possible Sources of the Problem Steps to Take Diagnosing ProblemsCleaning Dirty Fiber Optic Ports and Connectors Environmental Requirements Specifications Physical DimensionsSafety Agency Certifications Power SupplyMIB II RFC Software Tftp RFC InstallationStandard Type RFC/IEEE Supported Snmp protocol RFCAudience Safety PrecautionsPower Supply Assembly Removal and Replacement Removing and Replacing the Power SupplyRemoving and Replacing the Power Supplies Fan Tray Assembly Removal and Replacement Fan Tray Assembly Removal and ReplacementAppendix B FIELD-REPLACEABLE Units Wiring Closet Recommendations General Safety RequirementsProtective Grounding for the Rack Distribution Rack RequirementsSpace Requirements for the Rack Mechanical Requirements for the Rack Recommended Service AccessBuilding Codes Building and Electrical CodesElectrical Codes NfpaAppendix C Site Requirements and Safety Codes 3Com Knowledgebase Web Services Online Technical ServicesWorld Wide Web Site Country Data Rate Telephone Number 3Com Bulletin Board Service3Com Facts Automated Fax Service 3Com FTP SiteSupport from 3Com Support from Your Network SupplierLatin America Country Telephone Number Asia Pacific RimCountry EuropeCountry Telephone Number Fax Number Returning Products for RepairAppendix D Technical Support Numbers IndexIndex Recommendations World Wide Web WWW 50, 51 Index CoreBuilder 9400 High-Availability Switch 3Com Corporation Limited WarrantyWarranties Exclusive