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Cabletron Systems SEHI100TX-22 manual Pre-Installation Checkout

Models: SEHI100TX-22

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4.2PRE-INSTALLATION CHECKOUT

Chapter 4: Installation

4.2PRE-INSTALLATION CHECKOUT

The SEHI is equipped with an NVRAM reset switch (Figure 4-1) located behind the grillwork on the side of the hub. Ensure that this switch is in the DOWN position by looking in through the grillwork on the right side of the hub. If the switch is UP, move it into the DOWN position with a non-metallictool. Do not remove the chassis cover to perform this operation. Leaving the switch in the UP position results in user-installed parameters such as IP address and Community Names being cleared from NVRAM whenever the SEHI loses power and/or is reset. Refer to Section 6.4 for detailed instructions on setting the NVRAM switch.

Rear of Chassis

NVRAM Switch located behind grating

1511_02

Figure 4-1 NVRAM Switch Location

The SEHI may be installed on a tabletop or shelf, or in a 19-inch rack, and conﬁgured as a standalone or stacked hub.

Refer to Section 4.3 for information concerning a tabletop or shelf installation. Section 4.4 describes the rackmount installation.

4-2	SEHI100TX User’s Guide

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Cabletron Systems SEHI100TX-22 manual Pre-Installation Checkout, Rear of Chassis NVRAM Switch located behind grating

Contents

SEHI100TX-22 100BASE-T INTELLIGENT STACKABLE HUB USER’S GUIDE Page FCC NOTICE Only qualiﬁed personnel should perform installation proceduresSEHI100TX 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 Aviii ContentsSEHI100TX User’s Guide 1.1 USING THIS MANUAL CHAPTER INTRODUCTION1.2 DOCUMENT CONVENTIONS anonymous 1.3 GETTING HELPyour email address Chapter 1 Introduction 1.4 RELATED MANUALSSEHI100TX User’s Guide CHAPTER SEHI FEATURES AND OPTIONS 2.1 SEHI OVERVIEW2.2 SEHI FEATURES 2.3 STACKABLE CAPABILITIES RESET ButtonLANVIEW LEDs Local Management2.5 REMOTE NETWORK MANAGEMENT 2.4 RACK MOUNTING CAPABILITIES2.6 OPTIONAL EPIMS 3.1 CABLE SPECIFICATIONS CHAPTER INSTALLATION REQUIREMENTS AND 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 grating4.4 RACKMOUNT INSTALLATION 4.3 TABLETOP OR SHELF 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 4-10 Chapter 4 InstallationSEHI100TX User’s Guide 5.1 CONNECTING THE SEHI TO THE NETWORK CHAPTER CONNECTING TO THE NETWORK5.1.1 Connecting to Network Ports 5.1.2 Connecting to an EPIM-100TX Position X crossed over Figure 5-2 EPIM-100TX Crossover Switch6. TX 5.1.3 Connecting to an EPIM-100FX or EPIM-100FMB Testing the Installation 5.2 TESTING THE INSTALLATIONSEHI100TX User’s Guide Chapter 5 Connecting to the Network SEHI100TX User’s GuideCHAPTER TROUBLESHOOTING 6.1 INSTALLATION TEST6.2 USING LANVIEW Flashing indicates an irregular LED pulse SEHI100TX-22Blinking 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 Mask7.6.4 Using the Port Enable Override 7.6.3 Setting the Default Gateway7.6.5 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 7.9.3 Using the DISABLE PORT Command 7.9.2 Using the ENABLE PORT Command7.9.1 Selecting the Appropriate Module/Port 7.9.4 Setting the UPDATE-FREQency Field 7.9.5 Exiting the Device Statistics ScreenA.1 EPIM SPECIFICATIONS APPENDIX A 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