Accton Technology FAST ETHERHUB-12S manual Voluntary Control Council for Interference VCCI-2

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Fast EtherHub-12s User’s Guide

Warnings 1. Wear an anti-static wrist strap or take other suitable measures to prevent

electrostatic discharge whenever handling this equipment.

2.When connecting this hub to a power outlet, connect the field ground lead on the tri-pole power plug to a valid earth ground line to prevent electrical hazards.

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

The Interference Handbook

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

Note: In order to maintain compliance with the limits of a Class B digital device, Accton requires that you use a quality interface cable when connecting to this device. Changes or modifications not expressly approved by Accton could void the user’s authority to operate this equipment. Suggested cable type is:

Twisted-pair for RJ-45 connections: 100WCategory 5 STP or UTP

Voluntary Control Council for Interference (VCCI-2)

This equipment is in the 2nd Class category and conforms to the standards set by the Voluntary Control Council for Interference by Data Processing Equipment and Electronic Office Machines aimed at preventing radio interference in residential areas.

2nd Class category equipment is qualified to be used in or near residential areas. However, if this equipment is placed near a functioning radio or telephone, data errors may result.

D-2

Regulatory Standards Compliance

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Contents Fast EtherHub-12s Installation Manual QWHUQDWLRQDO+HDGTXDUWHUV Package Contents Quick Installation Fast EtherHub-12s User’s Guide About this Guide Contents Appendix C Specifications Appendix a TroubleshootingAppendix E Product Support Services Appendix B Port and Cable AssignmentsList of Tables Glossary Index List of FiguresIntroduction to Fast Ethernet Product OverviewAccton’s Fast EtherHub-12s Basic Features Fast EtherHub-12s User’s Guide Pre-Installation Requirements Installing the SystemMaking a Connection via an MDI-X Station Port Connecting the Hub SystemDistance Limit for Fast Ethernet Cabling Making a Connection via the MDI Daisy-Chain PortPrecise Cable Length Budgeting Providing Power to the EtherHub Verifying System Operation Verifying Port StatusFast EtherHub-12s User’s Guide Connecting Multiple Hubs Configuring the NetworkStand-Alone Multiple Hub Configuration Using the Daisy-Chain Port Using the RJ-45 Daisy-Chain PortPrecise Guidelines for Configuring Multiple Hubs Cabling Limits for Multiple Hub Configuration Hardware Reference IndicatorsFront Panel Color Red Label Alert Function Fan status Hardware Reference Color Label Function RJ-45 Ethernet Ports Rear Panel Power SocketDiagnosing Hub Indicators Appendix a TroubleshootingPower and Cooling Problems System DiagnosticsInstallation Hub Integrity Physical ConfigurationRJ-45 Port Appendix BCategory 5 STP/UTP Appendix C Product SpecificationsEMI Certification Appendix DFCC Class B Certification Voluntary Control Council for Interference VCCI-2 European Community Immunity Requirements CE Mark Declaration of Conformance for EMI and SafetyUnderwriters Laboratories Inc Safety ComplianceSicherheitshinweise Problem Report Appendix E Product Support ServicesHardware Repair Service Product RegistrationInteractive Fast Fax U.S.A. office Bulletin Board Service BBSInternational Headquarters USA Headquarters Technical SupportCustomer Remedies Limited WarrantyNorth and South America Return ProcessOrdering Information Accton Offices100BASE-TX GlossaryLED Shielded Twisted-Pair STP Index Index EH3012-TX 150114-101 E0197-R02