3Com 8 manual Connecting Workstations and Other Equipment to Your Hub

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Connecting Workstations and Other Equipment to Your Hub

WARNING: Please read the ‘Important Safety Information’ section before you start.

WARNHINWEIS: Bitte lesen Sie den Abschnitt ‘Wichtige Sicherheitsinformationen’ sorgfältig durch, bevor Sie das Gerät einschalten.

AVERTISSEMENT: Veuillez lire attentivement la section “Consignes importantes de sécurité” avant de mettre en route.

CAUTION: Do not power the hub off and on quickly. Wait about five seconds between power cycles.

Connect workstations and other equipment to any of the hub’s 10BASE-T RJ-45 ports using 10BASE-T cables.

To connect a 10BASE-T cable, simply slot the connector into the relevant RJ-45 port. When the connector is fully in, its latch locks it into place. To disconnect the cable, push the connector’s latch in and remove it.

If you are using port 4 to connect to a workstation using a straight-through TP cable, ensure the Uplink/Normal switch is set to Normal (out).

The hub detects all port connections, so you can start using your network immediately. When you need more ports, simply add more OfficeConnect hubs.

Connecting Transceivers to the AUI Port

You can connect a 10Mbps Ethernet transceiver to your hub (Hub 4C only), using a standard AUI cable. Connect one end of the cable to the transceiver and the other end to the AUI port on the hub’s rear panel. This automatically disables the 10BASE-2 port, and activates the AUI/COAX LED to show the external transceiver is in use. Engage the slide locks at both ends of the AUI cable.

Connecting OfficeConnect Ethernet Hubs Together

You can increase the number of workstations that can connect to your network by adding more OfficeConnect hubs. You can use either 10BASE-T or 10BASE-2 (Hub 4C only) to do this.

Do not connect the same two hubs together using both 10BASE-T and 10BASE-2. This causes a network loop.

If you do not use the 10BASE-2 port, you do not need to connect a terminator (end piece) to it. If the AUI port is not used and a terminator is not connected to the 10BASE-2 port, the port partitions and the Coax Status LED lights yellow. This is correct operation.

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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 Creating Your Network What Else Do I Need?Workstation Connections Transceiver ConnectionsHub Connections 10BASE-2Twisted Pair TP Cables Stacking the Units Together Rubber FeetStacking Clip Using Your Hub Positioning Your HubSecuring Your Hub Officeconnect Ethernet HUB 4 and 4C Ethernet Hub 4 and 4C-FrontNetwork Utilization LEDs Hub 4C only AUI/COAX Status LEDs Hub 4C onlyEthernet Hub 4 and 4C-Rear 10BASE-2 port Hub 4C onlyConnecting Workstations and Other Equipment to Your Hub Connecting OfficeConnect Ethernet Hubs TogetherConnecting Transceivers to the AUI Port Connecting Hubs Using 10BASE-2 Checking ConnectionsConnecting Hubs Using 10BASE-T Spot ChecksProblem Solving for the HUB 4 and 4C Straight-through Cable/Crossover Cable Power LED Collision LED Officeconnect Ethernet HUB 8 and 8CEthernet 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 Standards Dimensions and Operating ConditionsPower Weight StandardsEnvironmental 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 3ComCountry Telephone Number Asia, Pacific Rim EuropeEurope, 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 150 mm 5.9 Part No. DUA 1670-0AAA04 Published June