Cabletron Systems SEH-32, SEH-34, SEH-24 manual Introduction Getting Help, SEH Overview

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INTRODUCTION

1.2GETTING HELP

If you need additional support related to the Cabletron Systems SEH, or if you have any questions, comments, or suggestions concerning this manual, contact Cabletron Systems Technical Support:

By phone

(603) 332-9400

By CompuServe®

Monday-Friday; 8am - 8pm EST

GO CTRON from any ! prompt

By Internet mail

support@ctron.com

1.3SEH OVERVIEW

The 10BASE-T SEH is a non-intelligent repeating hub that provides front panel ports for network connections and rear panel HubSTACK Interconnect Bus ports for stackable connections.

HubSTACK 10BASE-T HUB WITH LANVIEW® SEH-24

EPIM-2

 

RCV

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

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PWR

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

MGMT

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EPIM-1

SEH-2410BASE-T HUB WITH LANVIEW®

OUT SEH INTERCONNECT IN

HubSTACK 10BASE-T HUB WITH LANVIEW® SEH-34

RCV

LNK E 24 23 22 21 20 19 18 17 16 15 14 13 2

EPIM-2

24X

13X

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EPIM-1

SEH-3410BASE-T HUB WITH LANVIEW®

OUT SEH INTERCONNECT IN

Figure 1-1. The SEH-24 and SEH-34

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Contents 10BASE-T 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 Liability Table of Contents Connecting to the Network Contents InstallationTroubleshooting Appendix B Twisted Pair Wiring Tables A-1Chapter Introduction Using this ManualSEH Overview Introduction Getting HelpSEH Features Repeater FunctionalityPolarity Detection and Correction Optional Features Stackable CapabilitiesEpim HubSTACK Interconnect Cables Daughter Board Upgrade KitPart Description Application Number Rack Mount or Wall Mount HardwareHubSTACK 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 SEH-32 and SEH-34 Network Port Specifications SEH-22 and SEH-24 Network Port SpecificationsPin Champ Connector EPIM-T Installation REQUIREMENTS/SPECIFICATIONS Epim SpecificationsParameter Typical Worst Worst Case Typical Value Budget EPIM-F1/F2EPIM-F3 EPIM-F3Parameter Typical Minimum Maximum EPIM-C Connector TypeEPIM-A and EPIM-X EPIM-A and EPIM-X AUI PortDelay Times Start of Packets Operating SpecificationsDelay Times JAM GeneralPower Supply Requirements Fault ProtectionOutput Min. Load Max. Load Max Power JAM OutputPhysical SafetyUnpacking the SEH Installing the SEHStacking the SEH SEH-2410BASE-T HUB with Lanview Disconnect SEH and Sehi Interconnect Cables At the OUT Port Attaching the Strain Relief BracketRack Mounting the SEH Installing the SEH in the RackWall Mounting the SEH Shelf or Table-top Installation Free-Standing InstallationInstallation Connecting the SEH to the Power Source Connecting Network Ports SEH-22 and SEH-24 Connecting the SEH to the NetworkEPIM-2 Connecting Network Ports SEH-32 and SEH-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 Mgmt Green Flashing PWR GreenCLN Red RCV Yellow FlashingLNK Green Twisted 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 SEH-32/34 Punch Wall PlateFigure A-1. Punch Down Block A-9 German Power Supply CordSpanish French
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