Manuals / Cabletron Systems / Computer Equipment / Switch

Cabletron Systems SEHI-24, SEHI-22, SEHI-32, SEHI-34 manual Introduction Getting Help, Sehi Overview

Models: SEHI-24 SEHI-32 SEHI-34 SEHI-22

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INTRODUCTION

1.2GETTING HELP

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

By phone	(603) 332-9400
	Monday-Friday; 8am - 8pm EST
By CompuServe® ..... GO CTRON from any ! prompt
By Internet mail	support@ctron.com
By FTP	ctron.com (134.141.197.25)
	Login: anonymous, Password: your email address

1.3SEHI OVERVIEW

The 10BASE-T SEHI is an intelligent repeating hub that provides front panel ports for network connections and a rear panel HubSTACK Interconnect Bus port for stackable connections. The SEHI is designed to manage Cabletron Systems’ SEH series of non-intelligent stackable hubs.

HubSTACK 10BASE-T HUB WITH LANVIEW®	EPIM-2
SEHI-24

RESET

COM

RCV

LNK

E

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

2

24X

23X

22X

21X

20X

19X

18X

17X

16X

15X

14X

13X

PWR

CPU

RCV

CLN

LNK

E

12 11 10 9 8 7

6

5

4

3

2

1

1

12X

11X

10X

9X

8X

7X

6X

5X

4X

3X

2X

1X

EPIM-1

SEHI-2410BASE-T HUB WITH LANVIEW®

SEH INTERCONNECT

OUT

HubSTACK 10BASE-T HUB WITH LANVIEW®	EPIM-2
SEHI-34

RESET

COM

	RCV
	LNK							E
	24 23 22 21 20 19 18 17 16 15 14 13							2
PWR
CPU	RCV
CLN	LNK							E
	12 11 10 9 8 7	6	5	4	3	2	1	1

24X

13X

12X

1X

EPIM-1

SEHI-3410BASE-T HUB WITH LANVIEW®

SEH INTERCONNECT

OUT

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

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Cabletron Systems SEHI-24, SEHI-22, SEHI-32, SEHI-34 manual Introduction Getting Help, Sehi Overview

Contents

10BASE-T Intelligent Stackable HUB USER’S Guide Printed On Recycled Paper FCC Notice DOC Notice Cabletron SYSTEMS, INC Program License Agreement Cabletron Software Program License Exclusion of Warranty Disclaimer of Liability United States Government Restricted Rights Table of Contents Troubleshooting InstallationConnecting to the Network Local Management Contents Appendix B Twisted Pair Wiring Tables A-1 Using this Manual Chapter Introduction Introduction Getting Help Sehi Overview Polarity Detection and Correction Sehi FeaturesRepeater Functionality Flash EEPROMs Local Management Reset ButtonLanview LEDs Stackable Capabilities Introduction Optional Features Epim Rack Mount or Wall Mount Hardware Daughter Board Upgrade KitRelated Manuals Cable Specifications HubSTACK Interconnect Cable Requirements Impedance LengthInsertion Loss Jitter Crosstalk DelayTemperature Noise Fiber Optic Budget and Propagation Delay Cable Type Attenuation Maximum Cable Length Installation REQUIREMENTS/SPECIFICATIONS Cable Type ConnectorsThin-Net Network Requirements for the EPIM-C Module Terminators AUI Cable Requirements for the EPIM-A and EPIM-X Modules Network Port SpecificationsAUI Cable SEHI-22 and SEHI-24 Network Port Speciﬁcations SEHI-32 and SEHI-34 Network Port Speciﬁcations Pin Champ Connector Installation REQUIREMENTS/SPECIFICATIONS Epim Specifications EPIM-T EPIM-F1 and EPIM-F2 Parameter Typical Worst Worst Case Typical Value Budget EPIM-F3 EPIM-F3 Parameter Typical Minimum Maximum Connector Type EPIM-C EPIM-A and EPIM-X AUI Port EPIM-A and EPIM-X COM Transceiver Requirements General Delay Times Start of PacketsDelay Times JAM Preamble Output Min. Load Max. Load Max Power Fault ProtectionPower Supply Requirements JAM Output Safety Physical Installing the Sehi Unpacking the Sehi Stacking the Sehi Stacking the Sehi Attaching the Strain Relief Bracket Disconnect SEH and Sehi Interconnect Cables At the OUT Port Installing the Sehi in the Rack Rack Mounting the Sehi Wall Mounting the Sehi Free-Standing Installation Shelf or Table-top Installation Installation Connecting the Sehi to the Power Source Connecting the Sehi to the Network Connecting to Network Ports, SEHI-22 and SEHI-24 EPIM-2 Connecting to Network Ports, SEHI-32 and SEHI-34 Connecting a UTP Segment to an EPIM-T EPIM-T Cross-over Switch Connecting 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-A Connecting an AUI Cable to an EPIM-X Finishing the Installation On Position Toward Back Epim OFF Position Toward Front Chapter Troubleshooting Installation CHECK-OUT Using Lanview PWR CPU RCV Troubleshooting CLNUsing the Reset Button LNK Chapter Local Management Local Management Management Terminal Requirements Console Cable Conﬁguration Management Terminal Connection General Setup Management Terminal Setup ParametersMenu Function Selection Display Setup Setup Local Management Accessing Local Management Sehi Local Management Feature Selection Screen Local Management Using the Local Management Screens Community Name Table Screen Access Community Name Editing the Community Name Field Conﬁguration Screen IP Address Setting the IP Address Default GatewayPort Enable Override SubNet Mask Setting the Subnet Mask Setting the Default Gateway Using the Port Enable Override Exiting the Configuration Screen Trap Table Screen Traps Configuring the Trap TableSnmp Community Name Trap IP Address Exiting the Trap Table Screen Snmp Tools Screen Set OID PrependGet Get Next Step WalkRecall-OID Cycles Getting Individual OIDs Getting the Next OID Setting an OID Viewing Multiple OIDs Stepping Through OIDs Walking Through OIDsCycling Through OIDs Exiting the Snmp Tools Screen Device Statistics Screen Alignment Errors Errors ReceivedCRC Errors Port Admin. Status Update-Freq Enable PortDisable Port Port Seg. Status Using the Enable Port Command Selecting the Appropriate Module/Port Using the Disable Port Command Exiting the Device Statistics Screen Appendix a Twisted Pair Wiring Tables Twisted Pair Wiring Tables A-2 A-3 A-4 10BASE-T From Punch Down To RJ-45 Into Block Wallplate OfﬁceDrop Device A-6 A-7 SEHI-32/34 Punch Wall Plate Champ Down Block If Required Ethernet Device Figure A-1. Punch Down Block A-9 Spanish Power Supply CordGerman French