3Com 3C16751A manual Important Safety Information

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IMPORTANT SAFETY INFORMATION

WARNING: Warnings contain directions that you must follow for your personal safety. Follow all directions carefully.

You must read the following safety information carefully before you install or remove the unit:

Exceptional care must be taken during installation and removal of the unit.

Only stack the OfficeConnect hub with other OfficeConnect units.

To ensure compliance with international safety standards, only use the power adapter that is supplied with the unit.

The socket outlet must be near to the unit and easily accessible. You can only remove power from the unit by disconnecting the power cord from the outlet.

This unit operates under SELV (Safety Extra Low Voltage) conditions according to IEC 950. The conditions are only maintained if the equipment to which it is connected also operates under SELV conditions.

There are no user-replaceable fuses or user-serviceable parts inside the hub. If you have a physical problem with the unit that cannot be solved with problem solving actions in this guide, contact your supplier.

Disconnect the power adapter before moving the unit.

WARNING: RJ-45 ports. These are shielded RJ-45 data sockets. They cannot be used as telephone sockets. Only connect RJ-45 data connectors to these sockets.

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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 CablesRubber Feet Stacking the Units TogetherStacking Clip Securing Your Hub Positioning Your HubConnecting Another OfficeConnect Hub Connecting Workstations and Other Equipment to Your HubFast Ethernet 100Mbps Configuration Rules Example Ethernet 10Mbps Configuration RulesExample Checking Hub Connections Making the Connection to Another HubSpot Checks Problem Solving Straight-through Cable/Crossover Cable Networking Terminology Dimensions and Operating Conditions Dimensions and StandardsStandards 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 Country Telephone Number Asia, Pacific RimEurope, South Africa, and Middle East 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