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Cabletron Systems SEHI-22FL manual Stackable Capabilities, Remote Network Management Capabilities

Models: SEHI-22FL

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Stackable Capabilities

RESET Button

Resetting the hub with the front panel RESET button reboots the SEHI and initializes the processor.

Local Management

Manage the SEHI and 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 SEHI RJ45 COM port.

2.3STACKABLE CAPABILITIES

The SEHI intelligent hub is designed to manage the Cabletron Systems series of SEH non-intelligent hubs. The SEHI serves as the logical “top” of the stack. It manages all SEH hubs in the stack providing 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 Cabletron Systems external HubSTACK Interconnect cables. Stackable conﬁgurations make it possible to maintain only one IEEE repeater hop while providing up to 130 10BASE-T Ethernet ports. Add or remove hubs from the stack without powering down.

2.4REMOTE NETWORK MANAGEMENT CAPABILITIES

Manage the SEHI remotely with any SNMP network management system. Cabletron Systems offers the following remote management packages:

•Cabletron Systems SPECTRUM

•Cabletron Systems SPECTRUM Element Manager/Windows

•Cabletron Systems Remote SPECTRUM Portable Management Applications

•Third Party SNMP compliant Network Management Packages

SEHI User’s Guide

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Cabletron Systems SEHI-22FL manual Stackable Capabilities, Remote Network Management Capabilities

Contents

SEHI-22FL INTELLIGENT STACKABLE HUB USER’S GUIDE SEHI User’s Guide VCCI NOTICE FCC NOTICEDOC NOTICE SEHI User’s GuideCABLETRON SOFTWARE PROGRAM LICENSE EXCLUSION OF WARRANTY AND DISCLAIMER OF LIABILITYCABLETRON SYSTEMS, INC. PROGRAM LICENSE AGREEMENT SEHI User’s GuideUNITED STATES GOVERNMENT RESTRICTED RIGHTS SEHI User’s GuideCHAPTER 3 INSTALLATION REQUIREMENTS AND CONTENTSCHAPTER 2 SEHI FEATURES AND OPTIONS SPECIFICATIONSCHAPTER 5 CONNECTING TO THE NETWORK ContentsINSTALLATION TROUBLESHOOTINGAPPENDIX A ContentsAPPENDIX B IMAGE FILE DOWNLOAD USING OIDs EPIM INFORMATION1.1 USING THIS MANUAL CHAPTER INTRODUCTION1.2 DOCUMENT CONVENTIONS anonymous 1.3 GETTING HELP1.4 RELATED MANUALS your email addressPower Supply CHAPTER SEHI FEATURES AND OPTIONSRESET Button ON/OFF SwitchRepeater Functionality 2.2 SEHI FEATURES2.1 SEHI OVERVIEW FLASH EEPROMs2.3 STACKABLE CAPABILITIES 2.4 REMOTE NETWORK MANAGEMENT CAPABILITIESHubSTACK Interconnect Cables 2.5 OPTIONAL FEATURESEthernet Port Interface Modules EPIMs Rack Mount HardwareCHAPTER INSTALLATION REQUIREMENTS AND SPECIFICATIONS 3.1 CABLE SPECIFICATIONSFiber Optic Budget and Propagation Delay 3.1.1 HubSTACK Interconnect Cable Requirements3.1.2 10BASE-FL Fiber Optic Network Requirements AttenuationLength 3.1.3 10BASE-T UTP and STP Cable SpeciﬁcationsDelay Insertion Loss3.2 NETWORK PORT SPECIFICATIONS 3.3 COM PORT REQUIREMENTS 3.4 TRANSCEIVER REQUIREMENTSDelay Times JAM Speciﬁcations 3.5 OPERATING SPECIFICATIONSDelay Time Start of Packets Speciﬁcations System Speciﬁcations3.6 POWER SUPPLY REQUIREMENTS 3.7 ENVIRONMENTAL REQUIREMENTS 3.8.1 Safety3.9 PHYSICAL SPECIFICATIONS 3.8 AGENCY APPROVALSCHAPTER INSTALLATION 4.1 UNPACKING THE SEHIChapter 4 Installation 4.2 PRE-INSTALLATION TEST4.3 INSTALLING THE SEHI clearance on either side and the back of the unit 4.3.1 Tabletop or Shelf InstallationIn order to allow for proper cooling, there must be a two-inch 4.3.2 Rackmount Installation Figure 4-4 Installing the Rack Mounting Brackets Rack Mounting the SEHIFigure 4-5 Installing the SEHI in the Rack 4.3.3 Stacking the SEHIChapter 4 Installation The cooling fans at the rear panel of the SEHI must haveTo stack SEH non-intelligent hubs together, proceed as follows 4.4 CONNECTING THE SEHI TO THE POWER SOURCE 4.5 ADDING/REPLACING EPIMS 5.1.1 Connecting Network Ports CHAPTER CONNECTING TO THE NETWORK5.1 CONNECTING THE SEHI TO THE NETWORK the ends come in contact with dust, dirt, or other contaminants Chapter 5 Connecting to the NetworkDo not touch the ends of the ﬁber optic strands, and do not let 3. Attach the fiber labeled 2 to the applicable TX port, on the SEHI 5.1.2 Connecting a UTP Segment to an EPIM-T SEHI User’s Guide 5.1.3 Connecting a Fiber Segment to an EPIM-F1/F2/F3Connecting the SEHI to the Network 3. Attach the fiber labeled 2 to the applicable TX port on the module Connecting the SEHI to the Network F1/F2 ST Connectors F1/F2 SMA 906 Connectors w Half Alignment SleevesSMA 905 Connectors F3 ST Connectors SEHI User’s Guide5.1.4 Connecting a Thin Coaxial Segment to an EPIM-C Ensure that the Signal Quality Error SQE or “heartbeat” test 5.1.5 Connecting an AUI Cable to an EPIM-AConnecting the SEHI to the Network function is disabled on the external transceiver connected tob. Check the cable for continuity Toward Back 5.1.6 Connecting an AUI Cable to an EPIM-XON Position of EPIM5.2 FINISHING THE INSTALLATION CHAPTER TROUBLESHOOTING 6.1 INSTALLATION CHECKOUT6.2 USING LANVIEW SEHI-22FL 6.3 USING THE RESET BUTTON 6.4 SETTING THE NVRAM SWITCH CHAPTER LOCAL MANAGEMENT SEHI User’s Guide 7.1 LOCAL MANAGEMENT KEYBOARD CONVENTIONSChapter 7 Local Management 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 7.4 THE FEATURE SELECTION SCREEN Figure 7-3 Feature Selection Screen7.5 THE COMMUNITY NAME TABLE SCREEN COMMUNITY NAMEEditing the Community Name Field write access to Local Management. Super-UserACCESS 7.6 THE CONFIGURATION SCREEN The following sections explain each ﬁeld on the Conﬁguration screen Use the following steps to set the IP Address Setting the Default Gateway Using the Port Enable Override7.7 THE TRAP TABLE SCREEN Use the following steps to conﬁgure the Trap table 7.8 THE SNMP TOOLS SCREEN Allows the user to retrieve MIB objects using SNMP protocol Getting the Next OID Setting an OIDGetting Individual OIDs 5. Press ENTER. “DATA” appears Exiting the SNMP Tools Screen 7.9 THE DEVICE STATISTICS SCREENCycling Through OIDs The following sections describe Device Statistics screen ﬁelds This command lets the user enable the selected port To select a module or port Using the DISABLE PORT Command Exiting the Device Statistics ScreenA.1.1 EPIM-T A.1 EPIM SPECIFICATIONSAPPENDIX A EPIM INFORMATION A.1.2 EPIM-F1 and EPIM-F2 Appendix A EPIM InformationA.1.3 EPIM-F3 Grounding A.1.4 EPIM-CConnector Type A.1.5 EPIM-A and EPIM-X AUI Port Figure A-5 The EPIM-A and EPIM-XAPPENDIX B IMAGE FILE DOWNLOAD USING OIDs B.1 SETTING UP A UNIX WORKSTATION AS A TFTP SERVER B.2 STANDARD TFTP DOWNLOAD SEHI User’s Guide Appendix B Image File Download Using OIDsTable B-1 Standard TFTP Download Procedure StepSEHI User’s Guide INDEXNumerics Index-1SEHI User’s Guide IndexIndex-2 SPANISH POWER SUPPLY CORDGERMAN FRENCH