Cabletron Systems SEHI-32, SEHI-22, SEHI-24, SEHI-34 manual Chapter Introduction, Using this Manual

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INTRODUCTION

CHAPTER 1

INTRODUCTION

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

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

1.1USING THIS MANUAL

Read through this manual to gain an understanding of the features and capabilities of the SEHI. A general knowledge of Ethernet and IEEE 802.3 type data communications networks and their physical layer components will be helpful when installing the SEHI.

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

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

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

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

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

Chapter 6, Local Management, describes how to use SEHI Local Management screens and the available commands.

Appendix A, Twisted Pair Wiring Tables, lists Punch Down Block pinouts.

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Contents 10BASE-T Intelligent Stackable HUB USER’S Guide Printed On Recycled Paper DOC Notice FCC NoticeCabletron Software Program License Cabletron SYSTEMS, INC Program License AgreementUnited States Government Restricted Rights Exclusion of Warranty Disclaimer of LiabilityTable of Contents Connecting to the Network InstallationTroubleshooting Local ManagementContents Appendix B Twisted Pair Wiring Tables A-1 Chapter Introduction Using this ManualSehi Overview Introduction Getting HelpRepeater Functionality Sehi FeaturesPolarity Detection and Correction Flash EEPROMsLanview LEDs Reset ButtonLocal Management Stackable CapabilitiesEpim Introduction Optional FeaturesDaughter Board Upgrade Kit Rack Mount or Wall Mount HardwareRelated Manuals HubSTACK Interconnect Cable Requirements Cable SpecificationsInsertion Loss LengthImpedance JitterTemperature DelayCrosstalk NoiseCable Type Attenuation Maximum Cable Length Fiber Optic Budget and Propagation DelayInstallation REQUIREMENTS/SPECIFICATIONS Thin-Net Network Requirements for the EPIM-C Module ConnectorsCable Type TerminatorsNetwork Port Specifications AUI Cable Requirements for the EPIM-A and EPIM-X ModulesAUI Cable SEHI-32 and SEHI-34 Network Port Speciﬁcations SEHI-22 and SEHI-24 Network Port SpeciﬁcationsPin Champ Connector EPIM-T Installation REQUIREMENTS/SPECIFICATIONS Epim SpecificationsParameter Typical Worst Worst Case Typical Value Budget EPIM-F1 and EPIM-F2EPIM-F3 EPIM-F3Parameter Typical Minimum Maximum EPIM-C Connector TypeEPIM-A and EPIM-X EPIM-A and EPIM-X AUI PortTransceiver Requirements COMDelay Times JAM Delay Times Start of PacketsGeneral PreamblePower Supply Requirements Fault ProtectionOutput Min. Load Max. Load Max Power JAM OutputPhysical SafetyUnpacking the Sehi Installing the SehiStacking the Sehi Stacking the Sehi Disconnect SEH and Sehi Interconnect Cables At the OUT Port Attaching the Strain Relief BracketRack Mounting the Sehi Installing the Sehi in the RackWall Mounting the Sehi Shelf or Table-top Installation Free-Standing InstallationInstallation Connecting the Sehi to the Power Source Connecting to Network Ports, SEHI-22 and SEHI-24 Connecting the Sehi to the NetworkEPIM-2 Connecting to Network Ports, SEHI-32 and SEHI-34 EPIM-T Cross-over Switch Connecting a UTP Segment to an EPIM-TConnecting to the Network Connecting to the Network Connecting to the Network Connecting a Thin-Net Segment to an EPIM-C EPIM-C EPIM-A Connecting an AUI Cable to an EPIM-AConnecting an AUI Cable to an EPIM-X On Position Toward Back Epim OFF Position Toward Front Finishing the InstallationInstallation CHECK-OUT Chapter TroubleshootingUsing Lanview CPU PWRUsing the Reset Button Troubleshooting CLNRCV LNKChapter Local Management Local Management Management Terminal Requirements Management Terminal Connection Console Cable ConﬁgurationMenu Function Selection Display Setup Management Terminal Setup ParametersGeneral Setup SetupSehi Local Management Local Management Accessing Local ManagementFeature Selection Screen Community Name Table Screen Local Management Using the Local Management ScreensCommunity Name AccessEditing the Community Name Field IP Address Conﬁguration ScreenPort Enable Override Default GatewaySetting the IP Address SubNet MaskSetting the Subnet Mask Using the Port Enable Override Setting the Default GatewayTrap Table Screen Exiting the Configuration ScreenSnmp Community Name Configuring the Trap TableTraps Trap IP AddressSnmp Tools Screen Exiting the Trap Table ScreenGet OID PrependSet Get NextRecall-OID WalkStep CyclesGetting the Next OID Getting Individual OIDsViewing Multiple OIDs Setting an OIDWalking Through OIDs Stepping Through OIDsCycling Through OIDs Device Statistics Screen Exiting the Snmp Tools ScreenCRC Errors Errors ReceivedAlignment Errors Port Admin. StatusDisable Port Enable PortUpdate-Freq Port Seg. StatusSelecting the Appropriate Module/Port Using the Enable Port CommandExiting the Device Statistics Screen Using the Disable Port CommandTwisted Pair Wiring Tables Appendix a Twisted Pair Wiring TablesA-2 A-3 A-4 From Punch Down To RJ-45 Into Block Wallplate Ofﬁce 10BASE-TDrop Device A-6 A-7 Champ Down Block If Required Ethernet Device SEHI-32/34 Punch Wall PlateFigure A-1. Punch Down Block A-9 German Power Supply CordSpanish French