3Com 3C16751A 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 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 OfficeConnect Dual Speed Hub 3Com Corporation 5400 Bayfront Plaza Santa Clara, California Introduction Creating your Network Page Small Network With OfficeConnect Hub IntroductionNetwork Utilization LEDs Creating Your NetworkDual Speed Hub 16-Front Port Status LEDsSixteen 10/100BASE-TX ports Power Adapter socketUplink/Normal switch Dual Speed Hub 16-RearHub Connections Before You StartWorkstation Connections Twisted Pair TP CablesStacking Clip Stacking the Units TogetherRubber Feet Securing Your Hub Positioning Your HubFast Ethernet 100Mbps Configuration Rules Connecting Workstations and Other Equipment to Your HubConnecting Another OfficeConnect Hub Example Ethernet 10Mbps Configuration RulesExample Spot Checks Making the Connection to Another HubChecking Hub Connections Problem Solving Straight-through Cable/Crossover Cable Networking Terminology Standards Dimensions and StandardsDimensions and Operating Conditions Environmental Statement about the Documentation Environmental StatementsEnd Of Life Statement Regulated Materials StatementImportant Safety Information Wichtige Sicherheitshinweise Consignes Importantes DE Sécurité World Wide Web Site Online Technical Services3Com Knowledgebase Web Services Technical SupportSupport from 3Com Support from Your Network SupplierEurope, South Africa, and Middle East Country Telephone Number Asia, Pacific RimEurope North America Country Telephone Number Latin AmericaCountry Telephone Number Fax Number Returning Products for Repair3Com Corporation Limited Warranty Warranties Exclusive Disclaimer Electromagnetic Compatibility Wall mounting screw hole guide 142mm 5.6in Part No. DUA 1675-1AAA02 Published June