3Com 3C16751A manual Positioning Your Hub, Securing Your Hub

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Positioning Your Hub

When installing your OfficeConnect hub, ensure:

It is out of direct sunlight and away from sources of heat.

Cabling is away from power lines, fluorescent lighting fixtures, and sources of electrical noise such as radios, transmitters and broadband amplifiers.

Water or moisture cannot enter the case of the unit.

Air flow around the unit and through the vents in the side of the case is not restricted. We recommend you provide a minimum of 25.4 mm (1in.) clearance.

Securing Your Hub

There are two slots on the underside of the OfficeConnect hub which can be used for wall mounting. It is recommended that you mount the hubs with the LEDs facing upwards to prevent dust entering the cooling vents.

When wall mounting the unit, ensure that it is within reach of the power outlet.

You need two suitable screws. Ensure that the wall you are going to use is smooth, flat, dry and sturdy. Make two screw holes which are 142mm (5.6in.) apart. Use the template at the back of this guide to mark the position of the holes. Fix the screws into the wall, leaving their heads 3mm (0.12in.) clear of the wall surface.

Remove any connections to the unit and locate it over the screw heads. When in line, gently push the unit on to the wall and move it downwards to secure. When making connections, be careful not to push the unit up and off the wall.

CAUTION: Only wall mount single units, do not wall mount stacked units.

Also available from 3Com, is the OfficeConnect Mounting Unit (part number 3C16765). This allows you to firmly secure a stack of OfficeConnect devices to the desktop or onto a shelf in a rack.

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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 ConnectionsRubber Feet Stacking the Units TogetherStacking Clip Positioning Your Hub Securing 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 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 Country Telephone Number Asia, Pacific RimEurope, South Africa, and Middle East 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