Accton Technology FAST ETHERHUB-12S manual Basic Features

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Fast EtherHub-12s User’s Guide

Basic Features

Transmits data at 100 Mbps for demanding applications

Conforms to the IEEE 802.3u repeater specification for 100BASE-TX

Provides 12 RJ-45 100BASE-TX station ports (using MDI-X wiring)

Port 12 can serve as an MDI-X station port (for connection to network devices such as workstations or servers) or as an MDI daisy-chain port (for connection to network devices such as hubs or switches), eliminating the need for crossover cables

Supports 100Ω Category 5 shielded or unshielded cable (STP or UTP)

Friendly design that monitors network utilization, collisions, link and port partition status

LED indicator panel including Utilization and Collision rate indicators for reporting hub activity and facilitating problem diagnosis

Automatically partitions bad ports to protect the network system

Automatic polarity detection and correction permits automatic adjustment for wiring errors

Plug-and-play operation

An Alert LED that shows if the fan has failed

The Fast EtherHub-12s also supports the following basic system safeguards:

This hub features automatic partitioning and reconnection, jabber lockup protection, and automatic polarity detection for network cabling.

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Product Overview

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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 a Troubleshooting Appendix C SpecificationsAppendix E Product Support Services Appendix B Port and Cable AssignmentsGlossary Index List of Figures List of TablesProduct Overview Introduction to Fast EthernetAccton’s Fast EtherHub-12s Basic Features Fast EtherHub-12s User’s Guide Installing the System Pre-Installation RequirementsConnecting the Hub System Making a Connection via an MDI-X Station PortMaking a Connection via the MDI Daisy-Chain Port Distance Limit for Fast Ethernet CablingPrecise Cable Length Budgeting Providing Power to the EtherHub Verifying Port Status Verifying System OperationFast EtherHub-12s User’s Guide Configuring the Network Connecting Multiple HubsStand-Alone Using the RJ-45 Daisy-Chain Port Multiple Hub Configuration Using the Daisy-Chain PortPrecise Guidelines for Configuring Multiple Hubs Cabling Limits for Multiple Hub Configuration Indicators Hardware ReferenceFront Panel Color Red Label Alert Function Fan status Hardware Reference Color Label Function RJ-45 Ethernet Ports Power Socket Rear PanelAppendix a Troubleshooting Diagnosing Hub IndicatorsSystem Diagnostics Power and Cooling ProblemsInstallation Physical Configuration Hub IntegrityAppendix B RJ-45 PortAppendix C Product Specifications Category 5 STP/UTPAppendix D EMI CertificationFCC Class B Certification Voluntary Control Council for Interference VCCI-2 CE Mark Declaration of Conformance for EMI and Safety European Community Immunity RequirementsSafety Compliance Underwriters Laboratories IncSicherheitshinweise Appendix E Product Support Services Problem ReportHardware Repair Service Product RegistrationBulletin Board Service BBS Interactive Fast Fax U.S.A. officeTechnical Support International Headquarters USA HeadquartersLimited Warranty Customer RemediesReturn Process North and South AmericaAccton Offices Ordering InformationGlossary 100BASE-TXLED Shielded Twisted-Pair STP Index Index EH3012-TX 150114-101 E0197-R02