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3Com 3C16700A Consignes importantes de sécurité Technical Support, Returning Products for Repair

Models: 3C16701A 3C16700A 3C16703A

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Consignes importantes de sécurité 29

Technical Support 30

Online Technical Services 30 World Wide Web Site 30

3Com Knowledgebase Web Services 30 Support from Your Network Supplier 31 Support from 3Com 31

Returning Products for Repair 34

3Com Corporation Limited Warranty 35

Electromagnetic Compatibility 38

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3Com 3C16700A, 3C16703A, 3C16701A manual Consignes importantes de sécurité Technical Support, Returning Products for Repair

Contents

User Guide 3C16704A, 3C16703A, 3C16700A, 3C16701A OfficeConnect Ethernet Hub 4, 4C, 8, 8CCopyright 1999, 3Com Technologies. All rights reserved 3Com Corporation 5400 Bayfront Plaza Santa Clara, CaliforniaUNITED STATES GOVERNMENT LEGEND Problem Solving for the Hub 4 and 4C Problem Solving for the Hub 8 and 8C Networking TerminologyDimensions and Standards Important Safety Information Wichtige SicherheitshinweiseConsignes importantes de sécurité Technical Support 3Com Corporation Limited Warranty Electromagnetic CompatibilityReturning Products for Repair INTRODUCTION CREATING YOUR NETWORK What Else Do I Need?Workstation Connections Transceiver ConnectionsHub Connections 10BASE-210BASE-T Twisted Pair TP CablesThe Rubber Feet Stacking the Units TogetherThe Stacking Clip Positioning Your Hub Using Your HubSecuring Your Hub THE OFFICECONNECT ETHERNET HUB 4 AND 4C Ethernet Hub 4 and 4C-FrontPower LED Alert LEDEthernet Hub 4 and 4C-Rear Power Adapter socketUplink/Normal switch AUI port Hub 4C onlyConnecting OfficeConnect Ethernet Hubs Together Connecting Workstations and Other Equipment to Your HubConnecting Transceivers to the AUI Port Connecting Hubs Using 10BASE-2 Checking ConnectionsSpot Checks Connecting Hubs Using 10BASE-TChecking Connections PROBLEM SOLVING FOR THE HUB 4 AND 4C Figure 6 Straight-through Cable/Crossover Cable RxD+THE OFFICECONNECT ETHERNET HUB 8 AND 8C Ethernet Hub 8 and 8C-FrontPower LED Alert LEDEthernet Hub 8 and 8C-Rear Power Adapter socketUplink/Normal switch 10BASE-2 port Hub 8C onlyConnecting Workstations and Other Equipment to Your Hub Connecting OfficeConnect Ethernet Hubs TogetherConnecting Hubs Using 10BASE-2 Figure 7 Correct Hub Connections Using 10BASE-2Checking Connections 50 Ohm terminatorConnecting Hubs Using 10BASE-T Figure 8 Correct Hub Connections Using 10BASE-TSwitch set to Normal out Switch set to Uplink in Switch set to Spot ChecksPROBLEM SOLVING FOR THE HUB 8 AND 8C Figure 9 Straight-through Cable/Crossover Cable NETWORKING TERMINOLOGY Dimensions and Operating Conditions DIMENSIONS AND STANDARDSStandards ENVIRONMENTAL STATEMENTS End Of Life StatementRegulated Materials Statement Environmental Statement about the DocumentationIMPORTANT SAFETY INFORMATION WICHTIGE SICHERHEITSHINWEISE CONSIGNES IMPORTANTES DE SÉCURITÉ Online Technical Services 3Com Knowledgebase Web ServicesTECHNICAL SUPPORT World Wide Web SiteSupport from Your Network Supplier Support from 3ComCountry Telephone NumberCountry Telephone NumberCountry Telephone NumberCountry Telephone NumberReturning Products for Repair 3Com Corporation Limited Warranty YEAR 2000 WARRANTYOBTAINING WARRANTY SERVICE HARDWAREWARRANTIES EXCLUSIVE LIMITATION OF LIABILITYDISCLAIMER GOVERNING LAWELECTROMAGNETIC COMPATIBILITY FCC STATEMENTCSA STATEMENT VCCI STATEMENT BCIQ STATEMENT INFORMATION TO THE USERWall mounting screw hole guide 150 mm 5.9 in Part No. DUA 1670-0AAA04 Published June