Cabletron Systems SEH-24, SEH-32, SEH-34 manual Chapter Introduction, Using this Manual

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INTRODUCTION

CHAPTER 1

INTRODUCTION

Welcome to the Cabletron Systems SEH-22, SEH-24, SEH-32, and SEH-34 10BASE-T Stackable Hub User’s Guide. This manual explains installation instructions and provides reference information for the SEH-22, 24, 32, and 34.

Note: The term SEH (Stackable Ethernet Hub) is used throughout this manual when describing features and functions that are common to the SEH-22, 24, 32, and 34.

1.1USING THIS MANUAL

Read through this manual completely to familiarize yourself with its content and to gain an understanding of the features and capabilities of the SEH. A general working knowledge of Ethernet and IEEE 802.3 type data communications networks and their physical layer components will be helpful when installing the SEH.

Chapter 1, Introduction, outlines the contents of this manual, briefly describes SEH features, and concludes with a list of related manuals.

Chapter 2, Installation Requirements/Specifications, describes installation requirements, network guidelines, and SEH operating specifications.

Chapter 3, Installation, contains instructions for installing your SEH as a stackable or stand-alone hub.

Chapter 4, Connecting to the Network, explains how to connect the SEH to the network using the various media types.

Chapter 5, Troubleshooting, describes how to use the LANVIEW LEDs to troubleshoot network problems.

Appendix A, Twisted Pair Wiring Tables, contains wiring pinouts for Punch Down Block applications.

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Contents 10BASE-T Stackable HUB USER’S Guide Printed On Recycled Paper FCC Notice DOC NoticeCabletron SYSTEMS, INC Program License Agreement Cabletron Software Program LicenseExclusion of Warranty Disclaimer of Liability United States Government Restricted RightsTable of Contents Contents Installation Connecting to the NetworkTroubleshooting Appendix B Twisted Pair Wiring Tables A-1Using this Manual Chapter IntroductionIntroduction Getting Help SEH OverviewPolarity Detection and Correction SEH FeaturesRepeater Functionality Epim Optional FeaturesStackable Capabilities Daughter Board Upgrade Kit HubSTACK Interconnect CablesPart Description Application Number Rack Mount or Wall Mount HardwareCable Specifications HubSTACK Interconnect Cable RequirementsLength Insertion LossImpedance JitterDelay TemperatureCrosstalk NoiseFiber Optic Budget and Propagation Delay Cable Type Attenuation Maximum Cable LengthInstallation REQUIREMENTS/SPECIFICATIONS Connectors Thin-net Network Requirements for the EPIM-C ModuleCable Type TerminatorsAUI Cable Network Port SpecificationsAUI Cable Requirements for the EPIM-A and EPIM-X Modules SEH-22 and SEH-24 Network Port Specifications SEH-32 and SEH-34 Network Port SpecificationsPin Champ Connector Installation REQUIREMENTS/SPECIFICATIONS Epim Specifications EPIM-TEPIM-F1/F2 Parameter Typical Worst Worst Case Typical Value BudgetEPIM-F3 EPIM-F3Parameter Typical Minimum Maximum Connector Type EPIM-CEPIM-A and EPIM-X AUI Port EPIM-A and EPIM-XOperating Specifications Delay Times Start of PacketsDelay Times JAM GeneralFault Protection Power Supply RequirementsOutput Min. Load Max. Load Max Power JAM OutputSafety PhysicalInstalling the SEH Unpacking the SEHStacking the SEH SEH-2410BASE-T HUB with Lanview Attaching the Strain Relief Bracket Disconnect SEH and Sehi Interconnect Cables At the OUT PortInstalling the SEH in the Rack Rack Mounting the SEHWall Mounting the SEH Free-Standing Installation Shelf or Table-top InstallationInstallation Connecting the SEH to the Power Source Connecting the SEH to the Network Connecting Network Ports SEH-22 and SEH-24EPIM-2 Connecting Network Ports SEH-32 and SEH-34 Connecting a UTP Segment to an EPIM-T EPIM-T Cross-over SwitchConnecting to the Network Connecting to the Network Connecting to the Network Connecting a Thin-Net Segment to an EPIM-C EPIM-C Connecting an AUI Cable to an EPIM-A EPIM-AConnecting an AUI Cable to an EPIM-X Finishing the Installation On Position Toward Back Epim OFF Position Toward FrontChapter Troubleshooting Installation CHECK-OUTUsing Lanview PWR Green Mgmt Green FlashingLNK Green CLN RedRCV Yellow Flashing Appendix a Twisted Pair Wiring Tables Twisted Pair Wiring TablesA-2 A-3 A-4 Drop Device From Punch Down To RJ-45 Into Block Wallplate Office10BASE-T A-6 A-7 SEH-32/34 Punch Wall Plate Champ Down Block If Required Ethernet DeviceFigure A-1. Punch Down Block A-9 Power Supply Cord GermanSpanish French