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Cabletron Systems SEHI100TX-22 manual Stackable Capabilities, LANVIEW LEDs, RESET Button

Models: SEHI100TX-22

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Stackable Capabilities

LANVIEW LEDs

Cabletron Systems LANVIEW status monitoring and diagnostics system is a troubleshooting tool that helps in diagnosing power failures, collisions, cable faults, and link problems. The LANVIEW LEDs are conveniently located on the SEHI front panel.

RESET Button

Resetting the hub with the front panel RESET Button reboots the SEHI and initializes the processor. Resetting the SEHI also resets all of the SEH non-intelligent hubs in the stack.

Local Management

Manage the SEHI and its attached segments through Local Management on the SEHI. Local Management provides full packet and error statistics for the entire stack, individual device, or individual port. Access Local Management by attaching a DEC VT320 terminal or a PC using VT320 emulation software to the RJ45 COM port on the SEHI. Cabletron Systems provides a UTP console cable with RJ45 connectors at each end, adapters for DB9 or DB25 connections and an instruction sheet with adapter pinout information with the SEHI. Chapter 7, Local Management, provides detailed information on setting up and managing your network through Local Management.

2.3STACKABLE CAPABILITIES

The SEHI100TX-22 intelligent hub is designed to manage a stack of up to four Cabletron Systems SEH100TX-22 non-intelligent hubs. The SEHI is placed at the bottom of the stack. It manages all SEH hubs in the stack and provides full packet and error statistics for the entire stack, individual device, or individual port.

Stack up to four SEH non-intelligent hubs with one SEHI using the Cabletron Systems external HubSTACK Interconnect cables provided with each SEH. Stackable conﬁgurations make it possible to maintain only one IEEE repeater hop while providing up to 120 ports. Hubs can be added or removed from the stack without having to power down the entire stack.

SEHI100TX User’s Guide

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Cabletron Systems SEHI100TX-22 manual Stackable Capabilities, LANVIEW LEDs, RESET Button, Local Management

Contents

SEHI100TX-22 100BASE-T INTELLIGENT STACKABLE HUB USER’S GUIDE Page SEHI100TX User’s Guide Only qualiﬁed personnel should perform installation proceduresFCC NOTICE VCCI NOTICE DOC NOTICECABLETRON SYSTEMS, INC. PROGRAM LICENSE AGREEMENT SEHI100TX User’s GuideCABLETRON SOFTWARE PROGRAM LICENSE EXCLUSION OF WARRANTY AND DISCLAIMER OF LIABILITYUNITED STATES GOVERNMENT RESTRICTED RIGHTS SEHI100TX User’s GuideSEHI100TX User’s Guide DECLARATION OF CONFORMITYCHAPTER 2 SEHI FEATURES AND OPTIONS CONTENTSINSTALLATION REQUIREMENTS AND SPECIFICATIONSCHAPTER 5 CONNECTING TO THE NETWORK ContentsTROUBLESHOOTING CHAPTEREPIM SPECIFICATIONS ContentsAPPENDIX B IMAGE FILE DOWNLOAD USING OID STRINGS APPENDIX ASEHI100TX User’s Guide Contentsviii CHAPTER INTRODUCTION 1.1 USING THIS MANUAL1.2 DOCUMENT CONVENTIONS your email address 1.3 GETTING HELPanonymous SEHI100TX User’s Guide 1.4 RELATED MANUALSChapter 1 Introduction 2.1 SEHI OVERVIEW CHAPTER SEHI FEATURES AND OPTIONS2.2 SEHI FEATURES RESET Button 2.3 STACKABLE CAPABILITIESLANVIEW LEDs Local Management2.6 OPTIONAL EPIMS 2.4 RACK MOUNTING CAPABILITIES2.5 REMOTE NETWORK MANAGEMENT 3.1.1 HubSTACK Interconnect Cable Requirements CHAPTER INSTALLATION REQUIREMENTS AND SPECIFICATIONS3.1 CABLE SPECIFICATIONS 3.1.2 UTP Cable Speciﬁcations Propagation Delay 3.1.3 Multimode Fiber Optic Cable SpeciﬁcationsTemperature Fiber Optic Budget and Propagation Delay3.2 NETWORK CABLE LENGTHS A DTE Network Cable LengthsSEHI100TX-22 Repeater B DTE The maximum length of an individual UTP segment may be no3.4 COM PORT REQUIREMENTS 3.3 NETWORK PORT SPECIFICATIONS3.5.1 Power Supply Requirements 3.5 OPERATING SPECIFICATIONS3.5.2 Environmental Requirements 3.5.3 Agency ApprovalsDimensions H x W x D 3.6 PHYSICAL SPECIFICATIONSWeight Chapter 3 Installation Requirements and Speciﬁcations4.1 UNPACKING THE SEHI CHAPTER INSTALLATIONRear of Chassis NVRAM Switch located behind grating 4.2 PRE-INSTALLATION CHECKOUTProceed to Section 4.5, Powering Up and Stacking the SEHI 4.3 TABLETOP OR SHELF INSTALLATION4.4 RACKMOUNT INSTALLATION Rack mounting the SEHI involves the following Rack Mounting the SEHI Figure 4-4 Installing the Rack Mounting BracketsFasten the SEHI to the equipment rack securely Proceed to Section 4.5, Powering Up and Stacking the SEHI4.5 POWERING UP AND STACKING THE SEHI 7. Repeat steps 3 through 6 until all SEH hubs are connected 4.6 INSTALLING AN EPIM SEHI100TX User’s Guide Chapter 4 Installation4-10 5.1.1 Connecting to Network Ports CHAPTER CONNECTING TO THE NETWORK5.1 CONNECTING THE SEHI TO THE NETWORK 5.1.2 Connecting to an EPIM-100TX 6. TX Figure 5-2 EPIM-100TX Crossover SwitchPosition X crossed over 5.1.3 Connecting to an EPIM-100FX or EPIM-100FMB SEHI100TX User’s Guide 5.2 TESTING THE INSTALLATIONTesting the Installation SEHI100TX User’s Guide Chapter 5 Connecting to the Network6.1 INSTALLATION TEST CHAPTER TROUBLESHOOTING6.2 USING LANVIEW Blinking indicates a steady LED pulse SEHI100TX-22Flashing indicates an irregular LED pulse 6.3 USING THE RESET BUTTON 6.4 SETTING THE NVRAM SWITCH SEHI100TX User’s Guide Chapter 6 TroubleshootingCHAPTER LOCAL MANAGEMENT Chapter 7 Local Management 7.1 KEYBOARD CONVENTIONSSEHI100TX User’s Guide Table 7-1 Keyboard Conventions7.2 MANAGEMENT TERMINAL SETUP Connect the console cable to the SEHI as follows Management Terminal Setup Parameters 7.3 ACCESSING LOCAL MANAGEMENT 3. Press ENTER Figure 7-3 Feature Selection Screen 7.4 THE FEATURE SELECTION SCREENFigure 7-4 Community Name Table Screen 7.5 THE COMMUNITY NAME TABLE SCREENACCESS write access to Local Management. Super-UserThis allows the user to read and write to Local COMMUNITY NAME7.5.1 Editing the Community Name Field 7.6 THE CONFIGURATION SCREEN 7.6.1 Setting the IP Address Consult the Network Administrator prior to setting the Subnet Mask 7.6.2 Setting the Subnet Mask7.6.5 Exiting the Conﬁguration Screen 7.6.3 Setting the Default Gateway7.6.4 Using the Port Enable Override 7.7 THE TRAP TABLE SCREEN 7.7.1 Conﬁguring the Trap Table 7.8 THE SNMP TOOLS SCREEN 7.7.2 Exiting the Trap Table ScreenThe following sections describe SNMP Tools screen ﬁelds 7.8.1 Getting Individual OIDs 7.8.2 Getting the Next OID 7.8.3 Setting an OID7.8.5 Walking Through OIDs 7.8.4 Viewing Multiple OIDs7.8.7 Cycling Through OIDs 7.8.6 Stepping Through OIDs7.8.8 Repeating the Last OID 7.8.9 Exiting the SNMP Tools Screen7.9 THE DEVICE STATISTICS SCREEN Displays the number of errors received This command lets the user enable the selected port 7.9.1 Selecting the Appropriate Module/Port 7.9.2 Using the ENABLE PORT Command7.9.3 Using the DISABLE PORT Command 7.9.5 Exiting the Device Statistics Screen 7.9.4 Setting the UPDATE-FREQency FieldA.1.1 EPIM-100TX APPENDIX A EPIM SPECIFICATIONSA.1 EPIM SPECIFICATIONS Appendix A EPIM Speciﬁcations A.1.2 EPIM-100FXA.1.3 EPIM-100FMB SEHI100TX User’s Guide Appendix A EPIM SpeciﬁcationsAPPENDIX B IMAGE FILE DOWNLOAD USING OID STRINGS B.1 SETTING UNIX WORKSTATION AS TFTP SERVER B.2 STANDARD LOCAL DOWNLOAD Table B-1 OIDs and Settings Appendix B Image File Download Using OID StringsSEHI100TX User’s Guide StepNumerics INDEXSEHI100TX User’s Guide Index-1Page GERMAN POWER SUPPLY CORDSPANISH FRENCH