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SEHI100TX-22 100BASE-T
INTELLIGENT STACKABLE HUB
USER’S GUIDE
®
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Only qualified personnel should perform installation procedures. NOTICE Cabletron Systems reserves the right to make changes in specifications and other information contained in this document without prior notice. The reader should in all cases consult Cabletron Systems to determine whether any such changes have been made. The hardware, firmware, or software described in this manual is subject to change without notice. IN NO EVENT SHALL CABLETRON SYSTEMS BE L
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Notice DOC NOTICE This digital apparatus does not exceed the Class A limits for radio noise emissions from digital apparatus set out in the Radio Interference Regulations of the Canadian Department of Communications. Le présent appareil numérique n’émet pas de bruits radioélectriques dépassant les limites applicables aux appareils numériques de la class A prescrites dans le Règlement sur le brouillage radioélectrique édicté par le ministère des Communications du Canada. VCCI NOTICE
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Notice CABLETRON SOFTWARE PROGRAM LICENSE 1. LICENSE. You have the right to use only the one (1) copy of the Program provided in this package subject to the terms and conditions of this License Agreement. You may not copy, reproduce or transmit any part of the Program except as permitted by the Copyright Act of the United States or as authorized in writing by Cabletron. 2. OTHER RESTRICTIONS. You may not reverse engineer, decompile, or disassemble the Program. 3. APPLICABLE LAW. This
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Notice DECLARATION OF CONFORMITY Application of Council Directive(s): 89/336/EEC 73/23/EEC Manufacturer’s Name: Cabletron Systems, Inc. Manufacturer’s Address: 35 Industrial Way PO Box 5005 Rochester, NH 03867 European Representative Name: Mr. J. Solari European Representative Address: Cabletron Systems Limited Nexus House, Newbury Business Park London Road, Newbury Berkshire RG13 2PZ, England Conformance to Directive(s)/Product Standards: EC Directive 89/336/EEC EC Dir
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CONTENTS CHAPTER 1 INTRODUCTION 1.1 Using This Manual....................................................................... 1-1 1.2 Document Conventions ............................................................... 1-2 1.3 Getting Help................................................................................. 1-3 1.4 Related Manuals.......................................................................... 1-4 CHAPTER 2 SEHI FEATURES AND OPTIONS 2.1 SEHI Overview ............
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Contents CHAPTER 5 CONNECTING TO THE NETWORK 5.1 Connecting the SEHI to the Network ...........................................5-1 5.1.1 Connecting to Network Ports...........................................5-1 5.1.2 Connecting to an EPIM-100TX........................................5-2 5.1.3 Connecting to an EPIM-100FX or EPIM-100FMB...........5-4 5.2 Testing the Installation .................................................................5-5 CHAPTER 6 TROUBLESHOOTING 6.1 Installation
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Contents 7.9 The Device Statistics Screen..................................................... 7-24 7.9.1 Selecting the Appropriate Module/Port ......................... 7-27 7.9.2 Using the ENABLE PORT Command........................... 7-27 7.9.3 Using the DISABLE PORT Command.......................... 7-27 7.9.4 Setting the UPDATE-FREQency Field ......................... 7-28 7.9.5 Exiting the Device Statistics Screen ............................. 7-28 APPENDIX A EPIM SPECIFICATIONS A
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Contents viii SEHI100TX User’s Guide
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CHAPTER 1 INTRODUCTION Welcome to the Cabletron Systems SEHI100TX-22 100BASE-T Intelligent Stackable Hub User’s Guide. This manual provides installation instructions, troubleshooting, and reference information for the SEHI100TX-22. The term SEHI (Stackable Ethernet Hub with Intelligence) is NOTE used throughout this manual when describing the features and functions of the SEHI100TX-22. 1.1 USING THIS MANUAL Read through this manual to gain an understanding of the featur
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Chapter 1: Introduction Chapter 7, Local Management, describes how to use SEHI Local Management screens and the available commands. Appendix A, EPIM Specifications, provides specifications, cabling information, and switch settings for the Ethernet Port Interface Modules. Appendix B, Image File Download Using OID Strings, provides instructions for setting up a TFTP server and downloading an image file to the SEHI by setting specific MIB OID strings. 1.2 DOCUMENT CONVENTIO
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Getting Help 1.3 GETTING HELP If you need additional support related to this device, or if you have any questions, comments, or suggestions concerning this manual, contact Cabletron Systems Technical Support: Phone (603) 332-9400 Monday – Friday; 8 A.M. – 8 P.M. Eastern Time CompuServe GO CTRON from any ! prompt Internet mail support@ctron.com FTP ctron.com (134.141.197.25) Login anonymous Password your email address BBS (603) 335-3358 Modem setting 8N1: 8 data bits, 1 stop bi
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Chapter 1: Introduction 1.4 RELATED MANUALS Use the Cabletron Systems SEH100TX-22 100BASE-T User’s Guide to supplement the procedures and other technical data provided in this manual. The procedures contained in the SEH100TX-22 100BASE-T User’s Guide are referenced where appropriate, but not repeated in this manual. 1-4 SEHI100TX User’s Guide
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CHAPTER 2 SEHI FEATURES AND OPTIONS This chapter provides an overview of the SEHI and contains sections detailing features and available options. The terms SEHI (Stackable Ethernet Hub with Intelligence) and NOTE SEH (Stackable Ethernet Hub) are used throughout this manual when describing the features and functions of the SEHI100TX-22 and the SEH100TX-22. FRONT VIEW HubSTACK 100BASE-TX HUB WITH LANVIEW® SEHI100TX-22 RCV LNK A 22 21 20 19 18 17 16 15 14 13 12 22X 21X 20X
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Chapter 2: SEHI Features and Options The SEHI100TX-22 operates in a 100BASE-T Ethernet network. This product will NOT operate in a 10BASE-T ! CAUTION environment. Connect the SEHI100TX-22 and SEH100TX-22 only to similar 100BASE-T products. The SEHI100TX-22 supports the EPIM-100TX, EPIM-100FX, and the EPIM-100FMB. No other Cabletron Systems EPIMs operate in this device. 2.2 SEHI FEATURES The SEHI operating features are as follows: Repeater Functionality The SEHI fully conforms t
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Stackable Capabilities LANVIEW LEDs Cabletron Systems LANVIEW status monitoring and diagnostics system is a troubleshooting tool that helps in diagnosing power failures, collisions, cable faults, and link problems. The LANVIEW LEDs are conveniently located on the SEHI front panel. RESET Button Resetting the hub with the front panel RESET Button reboots the SEHI and initializes the processor. Resetting the SEHI also resets all of the SEH non-intelligent hubs in the stack. Local
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Chapter 2: SEHI Features and Options 2.4 RACK MOUNTING CAPABILITIES The SEHI can be installed in a 19-inch rack. Cabletron Systems provides brackets and mounting screws with the SEHI. See Chapter 4, Installation, for complete rack mounting instructions. 2.5 REMOTE NETWORK MANAGEMENT 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 Man
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CHAPTER 3 INSTALLATION REQUIREMENTS AND SPECIFICATIONS This chapter describes cabling requirements, network guidelines, and operating specifications for the SEHI100TX-22. The network must meet the requirements and conditions specified in this chapter to obtain satisfactory performance from ! CAUTION this equipment. Failure to follow these guidelines could result in poor network performance. 3.1 CABLE SPECIFICATIONS The front panel SEHI100TX-22 network ports support Category 5 Unshielded Twist
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Chapter 3: Installation Requirements and Specifications 3.1.2 UTP Cable Specifications The device at the other end of the twisted pair segment must meet IEEE 802.3u 100BASE-T specifications. When connecting a 100BASE-TX Twisted Pair Segment to the SEHI twisted pair network ports and the EPIM-100TX module, the network must meet the following requirements: Length The IEEE 802.3u 100BASE-T standard requires that 100BASE-TX devices be able to transmit over a 100 meter (328 foot) link using Categ
