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Cabletron Systems SEHI-22FL Chapter Connecting To The Network, Connecting The Sehi To The Network

Models: SEHI-22FL

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CHAPTER 5

CONNECTING TO THE NETWORK

This chapter outlines the procedure for connecting the SEHI to a network. Ensure that the network meets the guidelines and requirements outlined in Chapter 3, Installation Requirements and Specifications, before installing the SEHI.

5.1CONNECTING THE SEHI TO THE NETWORK

The procedure for connecting network segments to the SEHI varies depending on the media and ports being connected. Refer to the following list and perform the procedure described in the subsections that apply to connecting the SEHI to a network:

• Connecting Network Ports	Section 5.1.1
• Connecting a UTP segment to an EPIM-T	Section 5.1.2
• Connecting a ﬁber segment to an EPIM-F1/F2/F3	Section 5.1.3
• Connecting a Thin Coaxial Segment to an EPIM-C	Section 5.1.4
• Connecting an AUI cable to an EPIM-A	Section 5.1.5
• Connecting an AUI Cable to an EPIM-X	Section 5.1.6

5.1.1Connecting Network Ports

The SEHI-22FL has ST style network ports. Read the following guidelines before connecting a ﬁber optic link segment to the SEHI:

•Insert the connector into the port with the alignment key on the connector inserted into the alignment slot on the port. The connector is then turned clockwise to lock it down.

•The physical communication link consists of two strands of ﬁber optic cabling: the Transmit (TX) and the Receive (RX). Connect the TX strand from the applicable port on the module to the receive port of a ﬁber optic Ethernet device at the other end of the segment. The RX strand of the applicable port on the module connects to the transmit port of the ﬁber optic Ethernet device.

SEHI User’s Guide

5-1

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Cabletron Systems SEHI-22FL manual Chapter Connecting To The Network, Connecting The Sehi To The Network

Contents

SEHI-22FL INTELLIGENT STACKABLE HUB USER’S GUIDE SEHI User’s Guide DOC NOTICE FCC NOTICEVCCI NOTICE SEHI User’s GuideCABLETRON SYSTEMS, INC. PROGRAM LICENSE AGREEMENT EXCLUSION OF WARRANTY AND DISCLAIMER OF LIABILITYCABLETRON SOFTWARE PROGRAM LICENSE SEHI User’s GuideSEHI User’s Guide UNITED STATES GOVERNMENT RESTRICTED RIGHTSCHAPTER 2 SEHI FEATURES AND OPTIONS CONTENTSCHAPTER 3 INSTALLATION REQUIREMENTS AND SPECIFICATIONSINSTALLATION ContentsCHAPTER 5 CONNECTING TO THE NETWORK TROUBLESHOOTINGAPPENDIX B IMAGE FILE DOWNLOAD USING OIDs ContentsAPPENDIX A EPIM INFORMATIONCHAPTER INTRODUCTION 1.1 USING THIS MANUAL1.2 DOCUMENT CONVENTIONS 1.4 RELATED MANUALS 1.3 GETTING HELPanonymous your email addressRESET Button CHAPTER SEHI FEATURES AND OPTIONSPower Supply ON/OFF Switch2.1 SEHI OVERVIEW 2.2 SEHI FEATURESRepeater Functionality FLASH EEPROMs2.4 REMOTE NETWORK MANAGEMENT CAPABILITIES 2.3 STACKABLE CAPABILITIESEthernet Port Interface Modules EPIMs 2.5 OPTIONAL FEATURESHubSTACK Interconnect Cables Rack Mount Hardware3.1 CABLE SPECIFICATIONS CHAPTER INSTALLATION REQUIREMENTS AND SPECIFICATIONS3.1.2 10BASE-FL Fiber Optic Network Requirements 3.1.1 HubSTACK Interconnect Cable RequirementsFiber Optic Budget and Propagation Delay AttenuationDelay 3.1.3 10BASE-T UTP and STP Cable SpeciﬁcationsLength Insertion Loss3.2 NETWORK PORT SPECIFICATIONS 3.4 TRANSCEIVER REQUIREMENTS 3.3 COM PORT REQUIREMENTSDelay Time Start of Packets Speciﬁcations 3.5 OPERATING SPECIFICATIONSDelay Times JAM Speciﬁcations System Speciﬁcations3.6 POWER SUPPLY REQUIREMENTS 3.9 PHYSICAL SPECIFICATIONS 3.8.1 Safety3.7 ENVIRONMENTAL REQUIREMENTS 3.8 AGENCY APPROVALS4.1 UNPACKING THE SEHI CHAPTER INSTALLATION4.2 PRE-INSTALLATION TEST 4.3 INSTALLING THE SEHIChapter 4 Installation 4.3.1 Tabletop or Shelf Installation In order to allow for proper cooling, there must be a two-inchclearance on either side and the back of the unit 4.3.2 Rackmount Installation Rack Mounting the SEHI Figure 4-4 Installing the Rack Mounting BracketsChapter 4 Installation 4.3.3 Stacking the SEHIFigure 4-5 Installing the SEHI in the Rack 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 CHAPTER CONNECTING TO THE NETWORK 5.1 CONNECTING THE SEHI TO THE NETWORK5.1.1 Connecting Network Ports Chapter 5 Connecting to the Network Do not touch the ends of the ﬁber optic strands, and do not letthe ends come in contact with dust, dirt, or other contaminants 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 5.1.3 Connecting a Fiber Segment to an EPIM-F1/F2/F3 Connecting the SEHI to the NetworkSEHI User’s Guide 3. Attach the fiber labeled 2 to the applicable TX port on the module SMA 905 Connectors F3 ST Connectors F1/F2 ST Connectors F1/F2 SMA 906 Connectors w Half Alignment SleevesConnecting the SEHI to the Network SEHI User’s Guide5.1.4 Connecting a Thin Coaxial Segment to an EPIM-C Connecting the SEHI to the Network 5.1.5 Connecting an AUI Cable to an EPIM-AEnsure that the Signal Quality Error SQE or “heartbeat” test function is disabled on the external transceiver connected tob. Check the cable for continuity ON Position 5.1.6 Connecting an AUI Cable to an EPIM-XToward Back of EPIM5.2 FINISHING THE INSTALLATION 6.1 INSTALLATION CHECKOUT CHAPTER TROUBLESHOOTING6.2 USING LANVIEW SEHI-22FL 6.3 USING THE RESET BUTTON 6.4 SETTING THE NVRAM SWITCH CHAPTER LOCAL MANAGEMENT Chapter 7 Local Management 7.1 LOCAL MANAGEMENT KEYBOARD CONVENTIONSSEHI 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 Figure 7-3 Feature Selection Screen 7.4 THE FEATURE SELECTION SCREENCOMMUNITY NAME 7.5 THE COMMUNITY NAME TABLE SCREENwrite access to Local Management. Super-User ACCESSEditing the Community Name Field 7.6 THE CONFIGURATION SCREEN The following sections explain each ﬁeld on the Conﬁguration screen Use the following steps to set the IP Address Using the Port Enable Override Setting the Default Gateway7.7 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 Setting an OID Getting Individual OIDsGetting the Next OID 5. Press ENTER. “DATA” appears 7.9 THE DEVICE STATISTICS SCREEN Cycling Through OIDsExiting the SNMP Tools Screen The following sections describe Device Statistics screen ﬁelds This command lets the user enable the selected port To select a module or port Exiting the Device Statistics Screen Using the DISABLE PORT CommandA.1 EPIM SPECIFICATIONS APPENDIX A EPIM INFORMATIONA.1.1 EPIM-T Appendix A EPIM Information A.1.2 EPIM-F1 and EPIM-F2A.1.3 EPIM-F3 A.1.4 EPIM-C Connector TypeGrounding Figure A-5 The EPIM-A and EPIM-X A.1.5 EPIM-A and EPIM-X AUI PortAPPENDIX B IMAGE FILE DOWNLOAD USING OIDs B.1 SETTING UP A UNIX WORKSTATION AS A TFTP SERVER B.2 STANDARD TFTP DOWNLOAD Table B-1 Standard TFTP Download Procedure Appendix B Image File Download Using OIDsSEHI User’s Guide StepNumerics INDEXSEHI User’s Guide Index-1Index Index-2SEHI User’s Guide GERMAN POWER SUPPLY CORDSPANISH FRENCH