Cabletron Systems EPIM F3 User's Guide

SEHI-22 AND SEHI-24 10BASE-TINTELLIGENT STACKABLE HUBSUSER’S GUIDECABLETRON SYSTEMS, P. O. Box 5005, Rochester, NH 03866-5005

SEHI OVERVIEWSEHI USER’S GUIDE 1-3 1.3 SEHI OVERVIEW The 10BASE-T SEHI-22 and SEHI-24 are intelligent repeater hubs. The SEHI-22 has 12 RJ45 ports an

CHAPTER 1: INTRODUCTION 1-4 SEHI USER’S GUIDE LANVIEW LEDs Cabletron Systems LANVIEW Status Monitoring and Diagnostics System is a troubleshooting

REMOTE NETWORK MANAGEMENT CAPABILITIESSEHI USER’S GUIDE 1-5 1.6 REMOTE NETWORK MANAGEMENT CAPABILITIES Manage the SEHI remotely with any SNMP network

CHAPTER 1: INTRODUCTION 1-6 SEHI USER’S GUIDE Table 1-2 lists the board revision requirements for EPIMs used in the SEHI-22/24. The board revision n

RELATED MANUALSSEHI USER’S GUIDE 1-7 HubSTACK Interconnect Cables Stack hubs together with Cabletron HubSTACK Interconnect cables. Table 1-3 lists th

SEHI USER’S GUIDE 2-1 CHAPTER 2INSTALLATIONREQUIREMENTS/SPECIFICATIONS This Chapter describes cabling requirements, network guidelines, and operating

CHAPTER 2: INSTALLATION REQUIREMENTS/SPECIFICATIONS 2-2 SEHI USER’S GUIDE 2.1.2 UTP and STP Cable Specifications The device at the other end of the

CABLE SPECIFICATIONSSEHI USER’S GUIDE 2-3DelayThe maximum propagation delay of a 10BASE-T link segment must not exceed 1000 ns. This 1000 ns maximum d

CHAPTER 2: INSTALLATION REQUIREMENTS/SPECIFICATIONS2-4 SEHI USER’S GUIDE2.2 NETWORK PORT SPECIFICATIONSThe SEHI-22 and SEHI-24 network ports use shiel

TRANSCEIVER REQUIREMENTSSEHI USER’S GUIDE 2-52.4 TRANSCEIVER REQUIREMENTSWhen connecting an external network segment via a transceiver to the SEHI wit

SEHI USER’S GUIDE i NOTICE Cabletron Systems reserves the right to make changes in specifications and other information contained in this document wi

CHAPTER 2: INSTALLATION REQUIREMENTS/SPECIFICATIONS2-6 SEHI USER’S GUIDEDelay Times (Start of Packets):Twisted Pair to EPIM-A 1.10 µsTwisted Pair to T

OPERATING SPECIFICATIONSSEHI USER’S GUIDE 2-7Fault Protection:Each segment disconnects itself from the other segments if 32 consecutive collisions occ

CHAPTER 2: INSTALLATION REQUIREMENTS/SPECIFICATIONS2-8 SEHI USER’S GUIDESafety This unit meets the safety requirements of UL1950 (without D3 deviation

SEHI USER’S GUIDE 3-1CHAPTER 3INSTALLATIONThis chapter outlines the procedure for attaching the SEHI to the network as a stackable or standalone devic

CHAPTER 3: INSTALLATION3-2 SEHI USER’S GUIDE3.2 PRE-INSTALLATION CHECKOUTThe SEHI is equipped with an NVRAM reset switch (Figure 3-1) located behind t

INSTALLING THE SEHISEHI USER’S GUIDE 3-33.3.1 Tabletop or Shelf InstallationThe following two subsections provide guidelines for installation on a tab

CHAPTER 3: INSTALLATION3-4 SEHI USER’S GUIDE3.3.2 Rackmount Installation RequirementsTo install the SEHI in a 19-inch rack, Cabletron Systems offers a

INSTALLING THE SEHISEHI USER’S GUIDE 3-5Figure 3-3. SEHI Rack Mount Hardware3.3.3 Attaching the Strain Relief BracketAttach the strain relief bracket

CHAPTER 3: INSTALLATION3-6 SEHI USER’S GUIDE3.3.4 Rackmounting the SEHIRefer to Figure 3-5 and proceed as follows to install the SEHI into a19-inch ra

INSTALLING THE SEHISEHI USER’S GUIDE 3-7Figure 3-6. Installing the SEHI in the RackIf the installation requires that the SEHI is to be stacked, procee

NOTICEii SEHI USER’S GUIDE FCC NOTICE This device complies with Part 15 of the FCC rules. Operation is subject to the following two conditions: (1) t

CHAPTER 3: INSTALLATION3-8 SEHI USER’S GUIDETo stack SEH non-intelligent hubs together:1. Attach the SEH HubSTACK Interconnect cable to the “OUT” port

CONNECTING THE SEHI TO THE POWER SOURCESEHI USER’S GUIDE 3-9Figure 3-8. Disconnecting the HubSTACK Interconnect CableProceed to Section 3.4 to connect

CHAPTER 3: INSTALLATION3-10 SEHI USER’S GUIDE3.5 ADDING/REPLACING EPIMsThis section contains procedures on how to add or replace an Ethernet Port Inte

SEHI USER’S GUIDE 4-1CHAPTER 4CONNECTING TO THE NETWORKThis chapter outlines the procedure for connecting the SEHI to a network. Ensure that the netwo

CHAPTER 4: CONNECTING TO THE NETWORK4-2 SEHI USER’S GUIDETo connect the twisted pair segments to the SEHI:1. Insert the RJ45 connector from each twist

CONNECTING THE SEHI TO THE NETWORKSEHI USER’S GUIDE 4-34.1.2 Connecting a UTP Segment to an EPIM-TBefore connecting a segment to the EPIM-T, check eac

CHAPTER 4: CONNECTING TO THE NETWORK4-4 SEHI USER’S GUIDEd. Check that the twisted pair connection meets dB loss and cable specifications outlined in

CONNECTING THE SEHI TO THE NETWORKSEHI USER’S GUIDE 4-5To connect a fiber optic link segment to an EPIM-F1, EPIM-F2, or an EPIM-F3:1. Remove the protec

CHAPTER 4: CONNECTING TO THE NETWORK4-6 SEHI USER’S GUIDEFigure 4-3. The EPIM-F1, EPIM-F2 and EPIM-F3SMA 905 ConnectorsSMA 906 Connectors w/Half Align

CONNECTING THE SEHI TO THE NETWORKSEHI USER’S GUIDE 4-74.1.4 Connecting a Thin-Net Segment to an EPIM-CTo connect a thin-net segment to an EPIM-C:1. S

NOTICESEHI USER’S GUIDE iii CABLETRON SYSTEMS, INC.PROGRAM LICENSE AGREEMENT IMPORTANT: Before utilizing this product, carefully read this License A

CHAPTER 4: CONNECTING TO THE NETWORK4-8 SEHI USER’S GUIDEFigure 4-4. The EPIM-C4.1.5 Connecting an AUI Cable to an EPIM-ATo connect an EPIM-A to an ex

CONNECTING THE SEHI TO THE NETWORKSEHI USER’S GUIDE 4-93. Connect the AUI cable to the AUI port located on the EPIM-A. See Figure 4-5.4. Lock the AUI

CHAPTER 4: CONNECTING TO THE NETWORK4-10 SEHI USER’S GUIDE4.1.6 Connecting an AUI Cable to an EPIM-XTo connect an EPIM-X to a device not requiring SQE

FINISHING THE INSTALLATIONSEHI USER’S GUIDE 4-114.2 FINISHING THE INSTALLATIONThe SEHI is now ready for operation. Before placing the network into ser

SEHI USER’S GUIDE 5-1CHAPTER 5TROUBLESHOOTINGThis chapter contains instructions for using LANVIEW LEDs to troubleshoot physical layer network problems

CHAPTER 5: TROUBLESHOOTING5-2 SEHI USER’S GUIDE2. If the remote station is ready and the LNK LED is on, but no data passes through the port, one of tw

USING LANVIEWSEHI USER’S GUIDE 5-3Note:Flashing indicates an irregular LED pulse.Blinking indicates a steady LED pulse.Figure 5-1. LANVIEW LEDsPWR Whe

CHAPTER 5: TROUBLESHOOTING5-4 SEHI USER’S GUIDECLNThis red LED indicates that a collision has occurred on one of the ports.RCV When a yellow RCV LED fl

SETTING THE NVRAM SWITCHSEHI USER’S GUIDE 5-55.4 SETTING THE NVRAM SWITCHThe SEHI uses NVRAM (Non-Volatile Random Access Memory) to store user-entered

SEHI USER’S GUIDE 6-1CHAPTER 6LOCAL MANAGEMENTThis chapter explains how to set up a management terminal to access the SEHI Local Management. It also e

NOTICEiv SEHI USER’S GUIDE EXCLUSION OF WARRANTYAND DISCLAIMER OF LIABILITY 1. EXCLUSION OF WARRANTY. Except as may be specifically provided by Cabl

CHAPTER 6: LOCAL MANAGEMENT6-2 SEHI USER’S GUIDE6.1 MANAGEMENT TERMINAL REQUIREMENTSUse one of the following systems to access Local Management:• A Di

MANAGEMENT TERMINAL REQUIREMENTSSEHI USER’S GUIDE 6-32. Attach the female end (25-pin or 9-pin, as applicable) to the COM port on the terminal.Figure

CHAPTER 6: LOCAL MANAGEMENT6-4 SEHI USER’S GUIDETable 6-1. Terminal Setup ParametersMenu Function SelectionDisplay Setup: Columns 80 ColumnsControls I

ACCESSING LOCAL MANAGEMENTSEHI USER’S GUIDE 6-56.2 ACCESSING LOCAL MANAGEMENTAfter configuring the local management terminal and properly attaching the

CHAPTER 6: LOCAL MANAGEMENT6-6 SEHI USER’S GUIDE3. Press the Return key.• If the password entry is invalid, the cursor returns to the beginning of the

USING THE LOCAL MANAGEMENT SCREENSSEHI USER’S GUIDE 6-76.3 USING THE LOCAL MANAGEMENT SCREENSThe Feature Selection screen is the main menu screen for

CHAPTER 6: LOCAL MANAGEMENT6-8 SEHI USER’S GUIDECommunity names are set through the Community Name Table option. Community names are passwords to Loca

USING THE LOCAL MANAGEMENT SCREENSSEHI USER’S GUIDE 6-9Editing the Community Name FieldThe password used to access Local Management at the Password sc

CHAPTER 6: LOCAL MANAGEMENT6-10 SEHI USER’S GUIDE6.3.2 The Configuration ScreenTo access the Configuration screen from the Feature Selection screen, use

USING THE LOCAL MANAGEMENT SCREENSSEHI USER’S GUIDE 6-11IP AddressDisplays the IP address of the SEHI.SubNet MaskDisplays the subnet mask for the SEHI

SEHI USER’S GUIDE v TABLE OF CONTENTS CHAPTER 1 INTRODUCTION 1.1 USING THIS MANUAL...

CHAPTER 6: LOCAL MANAGEMENT6-12 SEHI USER’S GUIDESetting the IP Address To set the IP Address:1. Use the arrow keys to highlight the IP Address field.

USING THE LOCAL MANAGEMENT SCREENSSEHI USER’S GUIDE 6-13To set the subnet mask:1. Use the arrow keys to highlight the SubNET Mask field.2. Enter the s

CHAPTER 6: LOCAL MANAGEMENT6-14 SEHI USER’S GUIDEUsing the Port ENABLE OverrideTo set the Port ENABLE Override:1. Use the arrow keys to highlight the

USING THE LOCAL MANAGEMENT SCREENSSEHI USER’S GUIDE 6-156.3.3 The Trap Table ScreenAccess the Trap Table screen from the Features Selection screen usi

CHAPTER 6: LOCAL MANAGEMENT6-16 SEHI USER’S GUIDEConfiguring the Trap TableTo configure the Trap Table:1. Use the arrow keys to highlight the SNMP Comm

USING THE LOCAL MANAGEMENT SCREENSSEHI USER’S GUIDE 6-176.3.4 The SNMP Tools ScreenThis section describes how to use the SNMP Tools screen to access M

CHAPTER 6: LOCAL MANAGEMENT6-18 SEHI USER’S GUIDEThe following sections describe SNMP Tools screen fields and instructions on how to change them.Commun

USING THE LOCAL MANAGEMENT SCREENSSEHI USER’S GUIDE 6-19StepDisplays the MIB walk, step by step, giving the user time to view specific leaves in detail

CHAPTER 6: LOCAL MANAGEMENT6-20 SEHI USER’S GUIDEGetting the Next OIDTo get the next OID:1. Highlight GETNEXT by using the arrow keys, then press the

USING THE LOCAL MANAGEMENT SCREENSSEHI USER’S GUIDE 6-21Viewing Multiple OIDsViewing several object identifiers at one time allows the user to quickly

CONTENTSvi SEHI USER’S GUIDE CHAPTER 5 TROUBLESHOOTING 5.1 INSTALLATION CHECK-OUT...5-1

CHAPTER 6: LOCAL MANAGEMENT6-22 SEHI USER’S GUIDECycling Through OIDsTo cycle through an OID:1. Use the arrow keys to Highlight CYCLES, then press Ret

USING THE LOCAL MANAGEMENT SCREENSSEHI USER’S GUIDE 6-23Figure 6-8. Device Statistics ScreenThe following sections describe Device Statistics screen fi

CHAPTER 6: LOCAL MANAGEMENT6-24 SEHI USER’S GUIDEOOW CollisionsDisplays the number of Out Of Window collisions. OOW collisions are usually caused by t

USING THE LOCAL MANAGEMENT SCREENSSEHI USER’S GUIDE 6-25Disable PortThis command lets the user Disable the selected port.Update-FreqThis command lets

CHAPTER 6: LOCAL MANAGEMENT6-26 SEHI USER’S GUIDESelecting the Appropriate Module/PortWhen the Device Statistics screen first appears, statistics are d

USING THE LOCAL MANAGEMENT SCREENSSEHI USER’S GUIDE 6-27Using the Disable Port CommandThe Disable Port command lets the user disable the port selected

SEHI USER’S GUIDE A-1APPENDIX AEPIM INFORMATIONA.1 EPIM SPECIFICATIONSEPIMs enable the connection of the SEHI to the main network using different med

APPENDIX A: EPIM INFORMATIONA-2 SEHI USER’S GUIDEA.1.2 EPIM-F1 and EPIM-F2 The EPIM-F1 and EPIM-F2 shown in Figure A-2 support Multimode Fiber Optic c

EPIM SPECIFICATIONSSEHI USER’S GUIDE A-3A.1.3 EPIM-F3The EPIM-F3 shown in Figure A-3 supports Single Mode Fiber Optic cabling. It has an internal Cabl

APPENDIX A: EPIM INFORMATIONA-4 SEHI USER’S GUIDENote: The transmitter power levels given above are Peak Power Levels after optical overshoot. Use a P

SEHI USER’S GUIDE 1-1 CHAPTER 1INTRODUCTION Welcome to the Cabletron Systems SEHI-22 and SEHI-24 10BASE-T Intelligent Stackable Hub User’s Guide .

EPIM SPECIFICATIONSSEHI USER’S GUIDE A-5A.1.4 EPIM-CThe EPIM-C supports thin-net coaxial cabling and is equipped with an internal Cabletron Systems TM

APPENDIX A: EPIM INFORMATIONA-6 SEHI USER’S GUIDEA.1.5 EPIM-A and EPIM-X (AUI Port)The EPIM-A is a DB15 female connector used to attach segments to an

SEHI USER’S GUIDE B-1APPENDIX BIMAGE FILE DOWNLOAD USING OIDsThis appendix provides instructions for setting up a tftp server and to download an imag

APPENDIX B: IMAGE FILE DOWNLOAD USING OIDsB-2 SEHI USER’S GUIDENote: For convenience, Cabletron includes the PKUNZIP utility for easy decompression of

STANDARD LOCAL DOWNLOADSEHI USER’S GUIDE B-32. If you do NOT have a /tftpboot directory, then create one(e.g., unix% mkdir tftpboot).3. Ensure that t

APPENDIX B: IMAGE FILE DOWNLOAD USING OIDsB-4 SEHI USER’S GUIDEWhen performing the steps in table 1, keep the following in mind:• You must follow the

SEHI USER’S GUIDE Index-1Numerics10BASE-Tcable length 2-2crosstalk 2-3delay 2-3impedance 2-2insertion loss 2-2jitter 2-2noise 2-3temperature 2-3UTP an

INDEXIndex-2 SEHI USER’S GUIDENNetwork Connection 4-1AUI 4-8, 4-10EPIM-A 4-8EPIM-C 4-7EPIM-F1/F2/F3 4-4EPIM-T 4-3EPIM-X 4-10Fiber Optic Segment 4-4SEH

POWER SUPPLY CORDThe mains cord used with this equipment must be a 2 conductor plus ground type with minimum 0.75 mm square conductors and must incorp

CHAPTER 1: INTRODUCTION 1-2 SEHI USER’S GUIDE Chapter 1, Introduction , outlines the contents of this manual, briefly describes SEHI features, and c