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Cabletron Systems SEHI100TX-22 manual Troubleshooting, SEHI100TX User’s Guide

Models: SEHI100TX-22

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Chapter 6: Troubleshooting

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Cabletron Systems SEHI100TX-22 manual Troubleshooting, SEHI100TX User’s Guide

Contents

SEHI100TX-22 100BASE-T INTELLIGENT STACKABLE HUB USER’S GUIDE Page Only qualiﬁed personnel should perform installation procedures FCC NOTICESEHI100TX User’s Guide DOC NOTICE VCCI NOTICECABLETRON SYSTEMS, INC. PROGRAM LICENSE AGREEMENT SEHI100TX User’s GuideEXCLUSION OF WARRANTY AND DISCLAIMER OF LIABILITY CABLETRON SOFTWARE PROGRAM LICENSEUNITED STATES GOVERNMENT RESTRICTED RIGHTS SEHI100TX User’s GuideDECLARATION OF CONFORMITY SEHI100TX User’s GuideCONTENTS CHAPTER 2 SEHI FEATURES AND OPTIONSINSTALLATION REQUIREMENTS AND SPECIFICATIONSContents CHAPTER 5 CONNECTING TO THE NETWORKTROUBLESHOOTING CHAPTERContents EPIM SPECIFICATIONSAPPENDIX B IMAGE FILE DOWNLOAD USING OID STRINGS APPENDIX AContents viiiSEHI100TX User’s Guide 1.1 USING THIS MANUAL CHAPTER INTRODUCTION1.2 DOCUMENT CONVENTIONS 1.3 GETTING HELP anonymousyour email address 1.4 RELATED MANUALS Chapter 1 IntroductionSEHI100TX User’s Guide CHAPTER SEHI FEATURES AND OPTIONS 2.1 SEHI OVERVIEW2.2 SEHI FEATURES 2.3 STACKABLE CAPABILITIES RESET ButtonLANVIEW LEDs Local Management2.4 RACK MOUNTING CAPABILITIES 2.5 REMOTE NETWORK MANAGEMENT2.6 OPTIONAL EPIMS CHAPTER INSTALLATION REQUIREMENTS AND SPECIFICATIONS 3.1 CABLE SPECIFICATIONS3.1.1 HubSTACK Interconnect Cable Requirements 3.1.2 UTP Cable Speciﬁcations 3.1.3 Multimode Fiber Optic Cable Speciﬁcations Propagation DelayTemperature Fiber Optic Budget and Propagation Delay3.2 NETWORK CABLE LENGTHS Network Cable Lengths A DTESEHI100TX-22 Repeater B DTE The maximum length of an individual UTP segment may be no3.3 NETWORK PORT SPECIFICATIONS 3.4 COM PORT REQUIREMENTS3.5 OPERATING SPECIFICATIONS 3.5.1 Power Supply Requirements3.5.2 Environmental Requirements 3.5.3 Agency Approvals3.6 PHYSICAL SPECIFICATIONS Dimensions H x W x DWeight Chapter 3 Installation Requirements and SpeciﬁcationsCHAPTER INSTALLATION 4.1 UNPACKING THE SEHI4.2 PRE-INSTALLATION CHECKOUT Rear of Chassis NVRAM Switch located behind grating4.3 TABLETOP OR SHELF INSTALLATION 4.4 RACKMOUNT INSTALLATIONProceed to Section 4.5, Powering Up and Stacking the SEHI Rack mounting the SEHI involves the following Figure 4-4 Installing the Rack Mounting Brackets Rack Mounting the SEHIProceed to Section 4.5, Powering Up and Stacking the SEHI Fasten the SEHI to the equipment rack securely4.5 POWERING UP AND STACKING THE SEHI 7. Repeat steps 3 through 6 until all SEH hubs are connected 4.6 INSTALLING AN EPIM Chapter 4 Installation 4-10SEHI100TX User’s Guide CHAPTER CONNECTING TO THE NETWORK 5.1 CONNECTING THE SEHI TO THE NETWORK5.1.1 Connecting to Network Ports 5.1.2 Connecting to an EPIM-100TX Figure 5-2 EPIM-100TX Crossover Switch Position X crossed over6. TX 5.1.3 Connecting to an EPIM-100FX or EPIM-100FMB 5.2 TESTING THE INSTALLATION Testing the InstallationSEHI100TX User’s Guide Chapter 5 Connecting to the Network SEHI100TX User’s GuideCHAPTER TROUBLESHOOTING 6.1 INSTALLATION TEST6.2 USING LANVIEW SEHI100TX-22 Flashing indicates an irregular LED pulseBlinking indicates a steady LED pulse 6.3 USING THE RESET BUTTON 6.4 SETTING THE NVRAM SWITCH Chapter 6 Troubleshooting SEHI100TX User’s GuideCHAPTER LOCAL MANAGEMENT 7.1 KEYBOARD CONVENTIONS Chapter 7 Local ManagementSEHI100TX 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 7.4 THE FEATURE SELECTION SCREEN Figure 7-3 Feature Selection Screen7.5 THE COMMUNITY NAME TABLE SCREEN Figure 7-4 Community Name Table Screenwrite access to Local Management. Super-User ACCESSThis 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 7.6.2 Setting the Subnet Mask Consult the Network Administrator prior to setting the Subnet Mask7.6.3 Setting the Default Gateway 7.6.4 Using the Port Enable Override7.6.5 Exiting the Conﬁguration Screen 7.7 THE TRAP TABLE SCREEN 7.7.1 Conﬁguring the Trap Table 7.7.2 Exiting the Trap Table Screen 7.8 THE SNMP TOOLS SCREENThe following sections describe SNMP Tools screen ﬁelds 7.8.1 Getting Individual OIDs 7.8.3 Setting an OID 7.8.2 Getting the Next OID7.8.4 Viewing Multiple OIDs 7.8.5 Walking Through OIDs7.8.6 Stepping Through OIDs 7.8.7 Cycling 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 7.9.2 Using the ENABLE PORT Command 7.9.3 Using the DISABLE PORT Command7.9.1 Selecting the Appropriate Module/Port 7.9.4 Setting the UPDATE-FREQency Field 7.9.5 Exiting the Device Statistics ScreenAPPENDIX A EPIM SPECIFICATIONS A.1 EPIM SPECIFICATIONSA.1.1 EPIM-100TX A.1.2 EPIM-100FX Appendix A EPIM SpeciﬁcationsA.1.3 EPIM-100FMB Appendix A EPIM Speciﬁcations SEHI100TX User’s GuideAPPENDIX B IMAGE FILE DOWNLOAD USING OID STRINGS B.1 SETTING UNIX WORKSTATION AS TFTP SERVER B.2 STANDARD LOCAL DOWNLOAD Appendix B Image File Download Using OID Strings Table B-1 OIDs and SettingsSEHI100TX User’s Guide StepINDEX NumericsSEHI100TX User’s Guide Index-1Page POWER SUPPLY CORD GERMANSPANISH FRENCH