3Com 8 manual Electromagnetic Compatibility

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ELECTROMAGNETIC COMPATIBILITY

FCC STATEMENT

This equipment has been tested and found to comply with the limits for a Class B digital device, pursuant to Part 15 of the FCC Rules, and the Canadian Department of Communications Equipment Standards entitled, “Digital Apparatus,” ICES-003. These limits are designed to provide reasonable protection against harmful interference in a residential installation. This equipment generates, uses and can radiate radio frequency energy and, if not installed and used in accordance with the instructions, may cause harmful interference to radio communications. However, there is no guarantee that interference will not occur in a particular installation.

If this equipment does cause interference to radio or television reception, which can be determined by turning the equipment off and on, the user is encouraged to try to correct the interference by one or more of the following measures:

Reorient the receiving antenna.

Relocate the equipment with respect to the receiver.

Move the equipment away from the receiver.

Plug the equipment into a different outlet so that equipment and receiver are on different branch circuits.

Consult the dealer or an experienced radio/television technician for help.

CSA STATEMENT

This Class B digital apparatus meets all requirements of the Canadian Interference-Causing Equipment Regulations.

Cet appareil numérique de la classe B respecte toutes les exigences du Règlement sur le matériel brouilleur du Canada.

VCCI STATEMENT

BCIQ STATEMENT

INFORMATION TO THE USER

The user may find the following booklet prepared by the Federal Communications Commission helpful:

How to Identify and Resolve Radio-TV Interference Problems

This booklet is available from the U.S. Government Printing Office, Washington, DC 20402, Stock No. 004-000-00345-4.

In order to meet FCC emissions limits, this equipment must be used only with cables which comply with IEEE 802.3.

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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 Workstation Connections Creating Your NetworkWhat Else Do I Need? Transceiver ConnectionsTwisted Pair TP Cables Hub Connections10BASE-2 Stacking Clip Stacking the Units TogetherRubber Feet Securing Your Hub Using Your HubPositioning Your Hub Network Utilization LEDs Hub 4C only Officeconnect Ethernet HUB 4 and 4CEthernet Hub 4 and 4C-Front AUI/COAX Status LEDs Hub 4C onlyEthernet Hub 4 and 4C-Rear 10BASE-2 port Hub 4C onlyConnecting Transceivers to the AUI Port Connecting Workstations and Other Equipment to Your HubConnecting OfficeConnect Ethernet Hubs Together 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 Ethernet Hub 8 and 8C-Front Power LED Collision LEDOfficeconnect Ethernet HUB 8 and 8C Port Status LEDs10BASE-2 port Hub 8C only Power Adapter socket Uplink/Normal switchEthernet Hub 8 and 8C-Rear 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 Power Weight Dimensions and StandardsDimensions and Operating Conditions StandardsRegulated 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 150 mm 5.9 Part No. DUA 1670-0AAA04 Published June