3Com 3C16703A, 3C16700A, 3C16701A manual Country Telephone Number Latin America, North America

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Country	Telephone Number	Country	Telephone Number

Latin America
Argentina	AT&T +800 666 5065	Mexico	01 800 CARE (01 800
Brazil	0800 13 3266	Peru	2273)
Chile	1230 020 0645	Puerto Rico	AT&T +800 666 5065
Colombia	98012 2127	Venezuela	800 666 5065
			AT&T +800 666 5065

North America	1 800 876-3266

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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 What Else Do I Need? Creating Your NetworkWorkstation Connections Transceiver ConnectionsHub Connections 10BASE-2Twisted Pair TP Cables Stacking the Units Together Rubber FeetStacking Clip Using Your Hub Positioning Your HubSecuring Your Hub Ethernet Hub 4 and 4C-Front Officeconnect Ethernet HUB 4 and 4CNetwork Utilization LEDs Hub 4C only AUI/COAX Status LEDs Hub 4C onlyEthernet Hub 4 and 4C-Rear 10BASE-2 port Hub 4C only Uplink/Normal switchConnecting Workstations and Other Equipment to Your Hub Connecting OfficeConnect Ethernet Hubs TogetherConnecting Transceivers to the AUI Port Checking Connections Connecting Hubs Using 10BASE-2Spot Checks Connecting Hubs Using 10BASE-TProblem Solving for the HUB 4 and 4C Straight-through Cable/Crossover Cable Officeconnect Ethernet HUB 8 and 8C Power LED Collision LEDEthernet Hub 8 and 8C-Front Port Status LEDsPower Adapter socket Uplink/Normal switch Ethernet Hub 8 and 8C-Rear10BASE-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 Operating Conditions Dimensions and StandardsPower Weight StandardsEnd Of Life Statement Environmental StatementsRegulated Materials Statement Environmental Statement about the DocumentationImportant Safety Information Wichtige Sicherheitshinweise Consignes Importantes DE Sécurité 3Com Knowledgebase Web Services Online Technical ServicesTechnical Support World Wide Web SiteSupport from 3Com Support from Your Network SupplierCountry Telephone Number Asia, Pacific Rim EuropeEurope, 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 150 mm 5.9 Part No. DUA 1670-0AAA04 Published June