3Com 3C16751A Before You Start, Workstation Connections, Twisted Pair TP Cables, Hub Connections

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Before You Start

Your OfficeConnect hub comes with:

One power adapter for use with the OfficeConnect hub.

A Product Registration card for you to fill out and return.

Four rubber feet.

A stacking clip.

Two unit labels and eight cable ties.

An OfficeConnect Network Assistant CD-ROM.

The extra parts mentioned in the next section are not supplied with the hub.

Workstation Connections

To connect workstations or other equipment to your hub, you need:

1One 10BASE-T,

10/100BASE-TX, or

3

100BASE-TX adapter card

 

for each workstation.

2

3Com produce a range of

1

easy-to-install network adapters, which provide

your workstation with a suitable connection.

2An operating system (for example, Netware or Windows 95/98) with network support configured, running on your workstations.

3One suitable TP cable for each workstation.

In order to comply with the 10BASE-T standard, ports designed for workstation connections have been marked with the graphical symbol ‘x’. This denotes a crossover in the port’s internal wiring, for example 1x, 2x, 3x...

Twisted Pair (TP) Cables

To connect your workstations and other equipment to the Hub, use ‘straight-through’ TP cables with RJ-45 connectors (all OfficeConnect products use RJ-45 type connectors). A ‘straight-through’ cable is one where each pin of one connector is connected to the same pin of the other connector. Cables can be shielded (screened) or unshielded; we recommend that you use shielded cable. Cables used for 100BASE-TX or 10/100BASE-TX connections must be data grade (Category 5). Your supplier should stock suitable cables.

The maximum length of a single cable is 100m (328ft). Refer to “Fast Ethernet (100Mbps) Configuration Rules” on page 11 for further information on cable lengths in a 100Mbps network.

Hub Connections

To connect other OfficeConnect units to your Hub, you need one suitable TP cable for each unit.

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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 HubCreating Your Network Dual Speed Hub 16-FrontPort Status LEDs Network Utilization LEDsPower Adapter socket Uplink/Normal switchDual Speed Hub 16-Rear Sixteen 10/100BASE-TX portsBefore You Start Workstation ConnectionsTwisted Pair TP Cables 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 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 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