3Com 3C16751A manual Dual Speed Hub 16-Rear, Power Adapter socket, Uplink/Normal switch

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Dual Speed Hub 16—Rear

5V DC

4A MAX

Power Adapter socket

Only use the power adapter that is supplied with this OfficeConnect Dual Speed Hub 16. Do not use any other adapter.

8X

Uplink/Normal

16

Uplink/Normal switch

Affects the operation of port 16. If you are connecting another hub to port 16, set to Uplink (in), otherwise set to Normal (out). Refer to the “Connecting Another OfficeConnect Hub” section.

10/100BASE-TX

1X

9X

Sixteen 10/100BASE-TX ports

Use suitable TP cable with RJ-45 connectors. You can connect the Hub to any workstation or other equipment that has a 10BASE-T or 100BASE-TX port. Each port is capable of autosensing for 10Mbps or 100Mbps operation.

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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