Part No. DUA 1670-0AAA04 Published June | 3Com 8 manual

Part No. DUA 1670-0AAA04 Published June 1999

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3Com 8 manual Part No. DUA 1670-0AAA04 Published June

Contents

OfficeConnect Ethernet Hub 4, 4C, 8, 8C 3Com Corporation 5400 Bayfront Plaza Santa Clara, California Important Safety Information Wichtige Sicherheitshinweise Consignes importantes de sécurité Technical Support Introduction Creating Your Network What Else Do I Need?Workstation Connections Transceiver Connections 10BASE-2 Hub ConnectionsTwisted Pair TP Cables Rubber Feet Stacking the Units TogetherStacking Clip Positioning Your Hub Using Your HubSecuring Your Hub Officeconnect Ethernet HUB 4 and 4C Ethernet Hub 4 and 4C-FrontNetwork Utilization LEDs Hub 4C only AUI/COAX Status LEDs Hub 4C only Ethernet Hub 4 and 4C-Rear 10BASE-2 port Hub 4C only Connecting OfficeConnect Ethernet Hubs Together Connecting Workstations and Other Equipment to Your HubConnecting Transceivers to the AUI Port Connecting Hubs Using 10BASE-2 Checking Connections Connecting Hubs Using 10BASE-T Spot Checks Problem Solving for the HUB 4 and 4C Straight-through Cable/Crossover Cable Power LED Collision LED Officeconnect Ethernet HUB 8 and 8CEthernet Hub 8 and 8C-Front Port Status LEDs Ethernet Hub 8 and 8C-Rear Power Adapter socket Uplink/Normal switch10BASE-2 port Hub 8C only Connecting Workstations and Other Equipment to Your Hub 50 Ohm Terminator Switch set to Normal out Uplink Problem Solving for the HUB 8 and 8C Normal Pin Uplink Port Rx+ Tx+ Networking Terminology Dimensions and Standards Dimensions and Operating ConditionsPower Weight Standards Environmental Statements End Of Life StatementRegulated Materials Statement Environmental Statement about the Documentation Important Safety Information Wichtige Sicherheitshinweise Consignes Importantes DE Sécurité Online Technical Services 3Com Knowledgebase Web ServicesTechnical Support World Wide Web Site Support from Your Network Supplier Support from 3Com Europe Country Telephone Number Asia, Pacific RimEurope, South Africa, and Middle East Country Telephone Number Latin America North America Returning Products for Repair Country Telephone Number Fax Number 3Com Corporation Limited Warranty Warranties Exclusive Disclaimer Electromagnetic Compatibility Wall mounting screw hole guide 150 mm 5.9 Part No. DUA 1670-0AAA04 Published June