3Com 3C16751A manual 3Com Corporation 5400 Bayfront Plaza Santa Clara, California

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3Com Corporation 5400 Bayfront Plaza Santa Clara, California 95052-8145

Copyright © 1999, 3Com Technologies. All rights reserved.

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If you are a United States government agency, then this documentation and the software described herein are provided to you subject to the following:

All technical data and computer software are commercial in nature and developed solely at private expense. Software is delivered as “Commercial Computer Software” as defined in DFARS 252.227-7014 (June 1995) or as a “commercial item” as defined in FAR 2.101(a) and as such is provided with only such rights as are provided in 3Com’s standard commercial license for the Software. Technical data is provided with limited rights only as provided in DFAR 252.227-7015 (Nov 1995) or FAR 52.227-14 (June 1987), whichever is applicable. You agree not to remove or deface any portion of any legend provided on any licensed program or documentation contained in, or delivered to you in conjunction with, this User Guide.

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Contents OfficeConnect Dual Speed Hub 3Com Corporation 5400 Bayfront Plaza Santa Clara, California Introduction Creating your Network Page Introduction Small Network With OfficeConnect HubPort Status LEDs Creating Your NetworkDual Speed Hub 16-Front Network Utilization LEDsDual Speed Hub 16-Rear Power Adapter socketUplink/Normal switch Sixteen 10/100BASE-TX portsTwisted Pair TP Cables Before You StartWorkstation Connections Hub ConnectionsStacking Clip Stacking the Units TogetherRubber Feet Positioning Your Hub Securing 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 Regulated Materials Statement Environmental StatementsEnd Of Life Statement Environmental Statement about the DocumentationImportant Safety Information Wichtige Sicherheitshinweise Consignes Importantes DE Sécurité Technical Support Online Technical Services3Com Knowledgebase Web Services World Wide Web SiteSupport from Your Network Supplier Support from 3ComEurope, South Africa, and Middle East Country Telephone Number Asia, Pacific RimEurope Country Telephone Number Latin America North AmericaReturning Products for Repair Country Telephone Number Fax Number3Com Corporation Limited Warranty Warranties Exclusive Disclaimer Electromagnetic Compatibility Wall mounting screw hole guide 142mm 5.6in Part No. DUA 1675-1AAA02 Published June