Cabletron Systems SEHI-22FL Uživatelský manuál

SEHI-22FLINTELLIGENT STACKABLE HUBUSER’S GUIDE SEHI Book Page 1 Friday, April 19, 1996 10:46 AM

Chapter 1: Introduction 1-2 SEHI User’s Guide Chapter 7, Local Management , describes how to use SEHI Local Management screens and the available co

Getting HelpSEHI User’s Guide 1-3 1.3 GETTING HELP If you need additional support related to this device, or if you have any questions, comments, or

SEHI User’s Guide 2-1 CHAPTER 2SEHI FEATURES AND OPTIONS This chapter provides an overview of the SEHI-22FL and contains sections detailing features

Chapter 2: SEHI Features and Options 2-2 SEHI User’s Guide 2.1 SEHI OVERVIEW The SEHI-22FL is an intelligent repeating hub providing front panel por

Stackable CapabilitiesSEHI User’s Guide 2-3 RESET Button Resetting the hub with the front panel RESET button reboots the SEHI and initializes the pro

Chapter 2: SEHI Features and Options 2-4 SEHI User’s Guide 2.5 OPTIONAL FEATURES The following features are not included with the SEHI, but are purc

SEHI User’s Guide 3-1 CHAPTER 3INSTALLATION REQUIREMENTS AND SPECIFICATIONS This chapter describes cabling requirements, network guidelines, and oper

Chapter 3: Installation Requirements and Specifications3-2 SEHI User’s Guide3.1.1 HubSTACK Interconnect Cable RequirementsAttach the SEHI to modules in

Cable SpecificationsSEHI User’s Guide 3-33.1.3 10BASE-T UTP and STP Cable Specifications The devices and 10BASE-T Twisted Pair Segments connected to an

Chapter 3: Installation Requirements and Specifications3-4 SEHI User’s GuideCrosstalkCrosstalk is caused by signal coupling between the different cable

SEHI User’s Guide i NOTICE Cabletron Systems reserves the right to make changes in specifications and other information contained in this document wit

COM Port RequirementsSEHI User’s Guide 3-53.3 COM PORT REQUIREMENTSThe RJ45 COM port supports access to a Local Management Console. The Console port s

Chapter 3: Installation Requirements and Specifications3-6 SEHI User’s Guide3.5 OPERATING SPECIFICATIONSThe operating specifications for the SEHI are de

Power Supply RequirementsSEHI User’s Guide 3-7JAM Output SpecificationsCollisions are propagated through the network using the JAM signal of an alterna

Chapter 3: Installation Requirements and Specifications3-8 SEHI User’s Guide3.7 ENVIRONMENTAL REQUIREMENTSThe environmental requirements for the SEHI a

SEHI User’s Guide 4-1CHAPTER 4INSTALLATIONThis chapter outlines the procedure for attaching the SEHI to the network as a stackable or standalone devic

Chapter 4: Installation4-2 SEHI User’s Guide4.2 PRE-INSTALLATION TESTThe SEHI is equipped with an NVRAM reset switch (Figure 4-1) located behind the g

Installing the SEHISEHI User’s Guide 4-34.3.1 Tabletop or Shelf InstallationThis section provides guidelines for installation on a tabletop or shelf.

Chapter 4: Installation4-4 SEHI User’s Guide4.3.2 Rackmount InstallationTo install the SEHI in a 19-inch rack, Cabletron Systems offers an accessory k

Installing the SEHISEHI User’s Guide 4-5Rack Mounting the SEHIRefer to Figure 4-4 and proceed as follows to install the SEHI into a 19-inch rack.1. Re

Chapter 4: Installation4-6 SEHI User’s GuideFigure 4-5 Installing the SEHI in the RackIf the installation requires stacking the SEHI, proceed to Secti

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

Installing the SEHISEHI User’s Guide 4-7To stack the SEHI together with an SEH non-intelligent hub, proceed as follows:1. Attach the SEHI HubSTACK Int

Chapter 4: Installation4-8 SEHI User’s GuideIf one end of a HubSTACK Interconnect cable is disconnected without disconnecting the other end attached t

Adding/Replacing EPIMsSEHI User’s Guide 4-94.5 ADDING/REPLACING EPIMSThis section contains procedures on how to add or replace an Ethernet Port Interf

SEHI User’s Guide 5-1CHAPTER 5CONNECTING TO THE NETWORKThis chapter outlines the procedure for connecting the SEHI to a network. Ensure that the netwo

Chapter 5: Connecting to the Network5-2 SEHI User’s Guide• Label the fiber optic cable to indicate which fiber is receive and which is transmit. Cabletr

Connecting the SEHI to the NetworkSEHI User’s Guide 5-33. Attach the fiber labeled 2 to the applicable TX port, on the SEHI.4. At the other end of the

Chapter 5: Connecting to the Network5-4 SEHI User’s Guide5.1.2 Connecting a UTP Segment to an EPIM-TBefore connecting a segment to the EPIM-T, check e

Connecting the SEHI to the NetworkSEHI User’s Guide 5-5If a link is not established, contact Cabletron Systems Technical Support.5.1.3 Connecting a Fi

Chapter 5: Connecting to the Network5-6 SEHI User’s GuideConnect a fiber optic link segment to an EPIM-F1, EPIM-F2, or an EPIM-F3 as follows:1. Remove

Connecting the SEHI to the NetworkSEHI User’s Guide 5-7Figure 5-3 The EPIM-F1, EPIM-F2, and EPIM-F3SMA 905 ConnectorsSMA 906 Connectors w/Half Alignme

NoticeSEHI User’s Guide iii CABLETRON SYSTEMS, INC. PROGRAM LICENSE AGREEMENT IMPORTANT: Before utilizing this product, carefully read this License

Chapter 5: Connecting to the Network5-8 SEHI User’s Guide5.1.4 Connecting a Thin Coaxial Segment to an EPIM-CTo connect a thin coaxial segment to an E

Connecting the SEHI to the NetworkSEHI User’s Guide 5-9Figure 5-4 The EPIM-C5.1.5 Connecting an AUI Cable to an EPIM-AConnect an EPIM-A to an external

Chapter 5: Connecting to the Network5-10 SEHI User’s GuideFigure 5-5 The EPIM-A5. Check that the PWR LED on the EPIM-A is on. If the LED is not on, co

Connecting the SEHI to the NetworkSEHI User’s Guide 5-115.1.6 Connecting an AUI Cable to an EPIM-XPerform the following steps to connect an EPIM-X to

Chapter 5: Connecting to the Network5-12 SEHI User’s Guide5.2 FINISHING THE INSTALLATIONThe SEHI is now ready for operation. Before placing the networ

SEHI User’s Guide 6-1CHAPTER 6TROUBLESHOOTINGThis chapter contains instructions for using LANVIEW LEDs to troubleshoot physical layer network problems

Chapter 6: Troubleshooting6-2 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 th

Using LANVIEWSEHI User’s Guide 6-3Figure 6-1 LANVIEW LEDsPWR When this green LED is on, it indicates that the SEHI is receiving power. If this LED is

Chapter 6: Troubleshooting6-4 SEHI User’s GuideCLNThis red LED indicates that a collision has occurred on one of the ports.RCVWhen a yellow RCV LED fla

Setting the NVRAM SwitchSEHI User’s Guide 6-56.4 SETTING THE NVRAM SWITCHThe SEHI uses NVRAM (Non-Volatile Random Access Memory) to store user-entered

Noticeiv SEHI User’s Guide UNITED STATES GOVERNMENT RESTRICTED RIGHTS The enclosed product (a) was developed solely at private expense; (b) contains

SEHI User’s Guide 7-1CHAPTER 7LOCAL MANAGEMENTThis chapter explains how to set up a management terminal to access the SEHI Local Management. It also e

Chapter 7: Local Management7-2 SEHI User’s Guide7.1 LOCAL MANAGEMENT KEYBOARD CONVENTIONSAll key names appear in this manual as capital letters. For e

Management Terminal SetupSEHI User’s Guide 7-37.2 MANAGEMENT TERMINAL SETUPUse one of the following systems to access Local Management:• A Digital Equ

Chapter 7: Local Management7-4 SEHI User’s GuideConsole Cable ConfigurationUse the RJ45 Cable Kit provided with the SEHI-ACCY-KIT package to attach the

Management Terminal SetupSEHI User’s Guide 7-5Management Terminal Setup ParametersTable 7-2 lists the setup parameters for the local management termin

Chapter 7: Local Management7-6 SEHI User’s Guide7.3 ACCESSING LOCAL MANAGEMENTAfter configuring the local management terminal and properly attaching th

The Feature Selection ScreenSEHI User’s Guide 7-7Figure 7-3 Feature Selection Screen7.4 THE FEATURE SELECTION SCREENThe Feature Selection screen is th

Chapter 7: Local Management7-8 SEHI User’s Guide7.5 THE COMMUNITY NAME TABLE SCREENTo access the Community Name Table screen from the Feature Selectio

The Community Name Table ScreenSEHI User’s Guide 7-9ACCESSIndicates the access status accorded each community name. Possible conditions are as follows

Chapter 7: Local Management7-10 SEHI User’s Guide6. To exit the screen, press the appropriate Function key or use the arrow keys to highlight the RETU

SEHI User’s Guide v CONTENTS CHAPTER 1 INTRODUCTION 1.1 Using This Manual... 1-11

The Configuration ScreenSEHI User’s Guide 7-11The following sections explain each field on the Configuration screen.I/FThe number of the interface corres

Chapter 7: Local Management7-12 SEHI User’s GuideSetting the IP Address Use the following steps to set the IP Address:1. Use the arrow keys to highlig

The Configuration ScreenSEHI User’s Guide 7-132. Enter the subnet mask into this field. The format for this entry is XXX.XXX.XXX.XXX with values for XX

Chapter 7: Local Management7-14 SEHI User’s GuideExiting the Configuration ScreenUse the following steps to exit the Configuration screen and return to

The Trap Table ScreenSEHI User’s Guide 7-15TrapsEnables transmission of the traps to the network management station with the associated IP address.IP

Chapter 7: Local Management7-16 SEHI User’s Guide7.8 THE SNMP TOOLS SCREENThis section describes how to use the SNMP Tools screen to access Management

The SNMP Tools ScreenSEHI User’s Guide 7-17OID PREPENDSpecifies the number prefix common to all Object Identifiers (OIDs) found in the MIBs – 1.3.6.1 is

Chapter 7: Local Management7-18 SEHI User’s GuideGetting Individual OIDsUse the following steps to “Get” individual OIDs:1. Highlight GET, using the a

The SNMP Tools ScreenSEHI User’s Guide 7-193. Press ENTER. If there is no instance of that OID, the return code will specify “MIB_NO_INSTANCE”, otherw

Chapter 7: Local Management7-20 SEHI User’s GuideCycling Through OIDsUse the following steps to “Cycle” through OIDs:1. Use the arrow keys to Highligh

Contentsvi SEHI User’s Guide CHAPTER 4 INSTALLATION 4.1 Unpacking the SEHI...4-14.2

The Device Statistics ScreenSEHI User’s Guide 7-21The following sections describe Device Statistics screen fields:BYTES RECEIVEDDisplays the number of

Chapter 7: Local Management7-22 SEHI User’s GuidePORT ADMIN. STATUSDisplays the administrative status of the port selected. The two possible status me

The Device Statistics ScreenSEHI User’s Guide 7-23PORTThis command lets the user view port statistics for ports 1-26 of the selected module.Selecting

Chapter 7: Local Management7-24 SEHI User’s GuideUsing the DISABLE PORT CommandThe DISABLE PORT command lets the user disable the port selected in the

SEHI User’s Guide A-1APPENDIX AEPIM INFORMATIONA.1 EPIM SPECIFICATIONSEPIMs enable the connection of the SEHI to the main network using different medi

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 (Figure A-3) supports Single Mode Fiber Optic cabling. It has an internal Cabletron Sy

Appendix A: EPIM InformationA-4 SEHI User’s GuideA.1.4 EPIM-CThe EPIM-C supports thin coaxial cabling and is equipped with an internal Cabletron Syste

EPIM SpecificationsSEHI User’s Guide A-5A.1.5 EPIM-A and EPIM-X (AUI Port)The EPIM-A is a DB15 female connector used to attach segments to an external

SEHI User’s Guide B-1APPENDIX BIMAGE FILE DOWNLOAD USING OIDsThis appendix provides instructions for setting up a TFTP server and to download an image

ContentsSEHI User’s Guide vii APPENDIX A EPIM INFORMATION A.1 EPIM Specifications...

Appendix B: Image File Download Using OIDsB-2 SEHI User’s GuideB.1 SETTING UP A UNIX WORKSTATION AS A TFTP SERVERDue to variations between UNIX system

Standard TFTP DownloadSEHI User’s Guide B-36. Store the hex image file in the /tftpboot directory as sehi.hex.7. Edit the /etc/inetd.conf file by remo

Appendix B: Image File Download Using OIDsB-4 SEHI User’s Guide• Enter the FULL path to the image file in the ctDLTFTPRequest OID, including the name o

SEHI User’s Guide Index-1INDEXNumerics10BASE-FLattenuation 3-2budget and propagation delay 3-2cable requirements 3-210BASE-Tcable length 3-3crosstalk

IndexIndex-2 SEHI User’s GuideNNetwork connection 5-1AUI 5-9, 5-11EPIM-A 5-9EPIM-C 5-8EPIM-F1/F2/F3 5-5EPIM-T 5-4EPIM-X 5-11fiber optic segment 5-5thi

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

SEHI User’s Guide 1-1 CHAPTER 1INTRODUCTION Welcome to the Cabletron Systems SEHI-22FL Intelligent Stackable Hub User’s Guide . This manual provides