Accton Technology 12se manual RJ-45 Connector

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Fast EtherHub User’s Guide

MDI-X Port (Medium Dependent Interface - Crossed)

This RJ-45 port, which crosses the receive and transmit signals internally, can be used with straight-through cable to connect the hub to any device that has a standard network interface (e.g., workstation, server or router). Pin-out assignments are shown in Appendix B.

RJ-45 Connector

Most common terminator for twisted-pair wiring.

Star Topology

Physical connections for RJ-45 ports are limited to a star configuration (i.e., similar to a hub and spoke arrangement). This topology also requires that only one path exists between any two nodes, and that data transmitted by any node is concurrently available to all other nodes within the same local network (i.e., immediate collision domain).

Station Port (MDI-X)

MDI-X ports which are used for connecting the hub to any workstation or server that has a properly installed network adapter card. (For port 12, the selector switch must be set to MDI-X.) This port can also be connected to an MDI port on another compatible hub or a switch.

STP (Shielded Twisted-Pair)

100W Category 5 twisted-pair wire covered with an external aluminum-foil or woven- copper shield designed to reduce excessive noise pick up or radiation. The STP cable refered to in this manual is also sometimes called screened twisted-pair (ScTP). Its impedance is 100Wand has the same pin assignment as UTP. This cable should not be confused with the older 150Wcable type designed by IBM.

UTP (Unshielded Twisted-Pair)

Cable composed of insulated wires twisted together to reduce electrical interference.

Glossary

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Contents Fast EtherHub-12se Installation Manual QWHUQDWLRQDO+HDGTXDUWHUV Package Contents Quick Installation Fast EtherHub-12se User’s Guide About this Guide Contents Appendix B Port and Cable Assignments Appendix a TroubleshootingAppendix C Specifications Appendix E Product Support ServicesList of Tables Glossary Index List of FiguresAccton’s Fast EtherHub System Product OverviewIntroduction to Fast Ethernet Basic Features Fast EtherHub-12se User’s Guide Connecting the Hub System Installing the SystemPre-Installation Requirements Making Fiber Optic Connections Making RJ-45 ConnectionsDistance Limit for Fast Ethernet Cabling Installing the System Verifying Port Status Providing Power to the EtherHubVerifying System Operation Stand-Alone Configuring the NetworkConnecting Multiple Hubs Using the RJ-45 Daisy-Chain Port Precise Guidelines for Configuring Multiple Hubs Figure -4 Cabling Limits for Multiple Hub Configuration Front Panel HardwareReferenceColor Red Label Alert Function Fan status SmartWatch Indicator PanelHardware Reference Color Red Label Fiber Optic Ethernet Port RJ-45 Ethernet PortsRear Panel Power SocketDiagnosing Hub Indicators Appendix a TroubleshootingHub Integrity System DiagnosticsInstallation ConfigurationRJ-45 Port Appendix B6WDURU7UHH Appendix C Product SpecificationsFCC Class B Certification Appendix DEMI 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 Product Registration Appendix E Product Support ServicesProblem Report Hardware Repair ServiceInteractive Fast Fax U.S.A. office Software Update and Upgrade ServiceBulletin Board Service BBS International Headquarters Technical SupportCustomer Remedies Limited WarrantyNorth and South America Return ProcessOrdering Information Accton Offices100BASE-TX GlossaryLED RJ-45 Connector Index Index EH3012-TF E1296-R01
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12se specifications

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