3com 3C16951 Manual de usuario

®http://www.3com.com/SuperStack® II Switch 1100 User Guide3C16950, 3C16951Part No. DUA1695-0AAA04Published April 199916950ua.bk Page 1 Thursday, Apr

10 ABOUT THIS GUIDEIn addition, there are other publications you may find useful: Documentation accompanying the Expansion Modules. Documentation acco

1INTRODUCING THE SWITCH 1100This chapter contains introductory information about the Switch and how it can be used in your network. It covers the foll

12 CHAPTER 1: INTRODUCING THE SWITCH 1100About the SuperStack II Switch 1100The SuperStack® II system solves the problem of growth in dynamic network

Switch 1100 — Front View Detail 13Switch 1100 — Front View DetailFigure 1 Switch 1100 — Front viewPort Connections 10BASE-T PortsThe Switch has 12 o

14 CHAPTER 1: INTRODUCING THE SWITCH 1100LEDsTa bl e 3 lists the LEDs visible on the front of the Switch, and their states according to color. For inf

Switch 1100 — Rear View Detail 15Switch 1100 — Rear View DetailFigure 2 Switch 1100 — Rear viewUnit InformationLabelThis label shows the following:

16 CHAPTER 1: INTRODUCING THE SWITCH 1100Expansion ModuleSlotYou can use this slot to install an Expansion Module; for example, a 100BASE-FX Module th

Network Configuration Examples 17Network Configuration ExamplesThe following illustrations show some examples of how the Switch can be placed on your

18 CHAPTER 1: INTRODUCING THE SWITCH 1100NetworkSegmentation IIFigure 4 shows the Switch 1100 in a second workgroup situation. This setup could be tha

Network Configuration Examples 19Desktop SwitchingFigure 5 shows the Switch 1100 used for a group of users in a large corporate network. Here switchin

3Com Corporation5400 Bayfront Plaza Santa Clara, California 95052-8145Copyright © 1999, 3Com Technologies. All rights reserved. No part of this docume

20 CHAPTER 1: INTRODUCING THE SWITCH 1100Configuration Rules for Fast EthernetThe topology rules for 100Mbps Fast Ethernet are slightly different to t

Configuration Rules with Full Duplex 21The key topology rules are: Maximum UTP cable length is 100m (328ft) over Category 5 cable. A 412m (1352ft) f

22 CHAPTER 1: INTRODUCING THE SWITCH 110016950ua.bk Page 22 Thursday, April 29, 1999 1:28 PM

2INSTALLING THE SWITCHThis chapter contains the information you need to install and set up the Switch. It covers the following topics: Choosing a Sui

24 CHAPTER 2: INSTALLING THE SWITCHChoosing a Suitable SiteThe Switch is suited for use in an office environment where it can be mounted in a standard

Placing Units On Top of Each Other 25Figure 7 Fitting a bracket for rack mounting3Insert the three screws and tighten with a suitable screwdriver.Yo

26 CHAPTER 2: INSTALLING THE SWITCHStacking UnitsUnits in the Switch 1100/3300 family can be stacked together and then treated as a single manageable

Stacking Units 27Figure 8 A stack of two unitsStacking Up To FourUnitsYou can stack up to four Switch units with a single SuperStack II Switch Matri

28 CHAPTER 2: INSTALLING THE SWITCH5If you use the management software of the units: Ensure that all the units have the same version of management sof

The Power-up Sequence 29The Power-up SequenceThe following sections describe how to get your Switch 1100 powered-up and ready for operation.Connecting

CONTENTSABOUT THIS GUIDEConventions 8Related Documentation 9Year 2000 Compliance 10Documentation Comments 101INTRODUCING THE SWITCH 1100About the Supe

30 CHAPTER 2: INSTALLING THE SWITCHIf there is evidence of a problem, see “Solving Problems Indicated by LEDs” on page 31.Choosing the Correct CablesA

Solving Problems Indicated by LEDs 31Solving Problems Indicated by LEDsIf the LEDs on the Switch indicate a problem, refer to Tab le 5 which contains

32 CHAPTER 2: INSTALLING THE SWITCHFor information about solving problems when managing the Switch, refer to the Problem Solving chapter in the “Super

ASAFETY INFORMATIONYou must read the following safety information before carrying out any installation or removal of components, or any maintenance pr

34 APPENDIX A: SAFETY INFORMATIONImportant Safety Information Installation and removal of the unit must be carried out by qualified personnel only. If

Important Safety Information 35 France and Peru only:This unit cannot be powered from IT† supplies. If your supplies are of IT type, this unit must b

36 APPENDIX A: SAFETY INFORMATIONL’information de Sécurité Importante L'installation et la dépose de ce groupe doivent être confiés à un personne

L’information de Sécurité Importante 37 L’appareil fonctionne à une tension extrêmement basse de sécurité qui est conforme à la norme CEI 950. Ces co

38 APPENDIX A: SAFETY INFORMATIONWichtige Sicherheitsinformationen Die Installation und der Ausbau des Geräts darf nur durch Fachpersonal erfolgen. We

BPIN-OUTSNull Modem Cable9-pin to RS-232 25-pinPC-AT Serial Cable9-pin to 9-pin16950ua.bk Page 39 Thursday, April 29, 1999 1:28 PM

ivPlacing Units On Top of Each Other 25Stacking Units 26Stacking Two Units 26Stacking Up To Four Units 27The Power-up Sequence 29Connecting a Redundan

40 APPENDIX B: PIN-OUTSModem Cable9-pin to RS-232 25-pinRJ45 Pin AssignmentsPin assignments are identical for 10BASE-T and 100BASE-TX RJ45 connectorsT

CTECHNICAL SPECIFICATIONSPhysical Dimensions Height: 76mm (3.0 in.) x Width: 483mm (19.0 in.) x Depth 300mm (12.0 in.) Weight: 4.4kg (9.7lbs)Environme

42 APPENDIX C: TECHNICAL SPECIFICATIONSStandards Supported SNMPSNMP protocol (RFC 1157)MIB-II (RFC 1213)Bridge MIB (RFC 1493)Repeater MIB (RFC 1516)VL

DTECHNICAL SUPPORT3Com provides easy access to technical support information through a variety of services. This appendix describes these services.Inf

44 APPENDIX D: TECHNICAL SUPPORT3Com FTP SiteDownload drivers, patches, software, and MIBs across the Internet from the 3Com public FTP site. This ser

Support from Your Network Supplier 45Access by Digital ModemISDN users can dial in to the 3Com BBS using a digital modem for fast access up to 64 Kbps

46 APPENDIX D: TECHNICAL SUPPORTWhen you contact 3Com for assistance, have the following information ready: Product model name, part number, and seria

Returning Products for Repair 47Returning Products for RepairBefore you send a product directly to 3Com for repair, you must first obtain an authoriza

48 APPENDIX D: TECHNICAL SUPPORT16950ua.bk Page 48 Thursday, April 29, 1999 1:28 PM

GLOSSARY10BASE-TThe IEEE specification for 10Mbps Ethernet over Category 3, 4 or 5 twisted pair cable.100BASE-FXThe IEEE specification for 100Mbps Fas

vGLOSSARYINDEX3COM CORPORATION LIMITED WARRANTYEMC STATEMENTS16950ua.bk Page v Thursday, April 29, 1999 1:28 PM

50 GLOSSARYbroadcast stormMultiple simultaneous broadcasts that typically absorb all the available network bandwidth and can cause a network to fail.

GLOSSARY51hubA device that regenerates LAN traffic so that the transmission distance of that signal can be extended. Hubs are similar to repeaters, in

52 GLOSSARYMAC addressMedia Access Control address; also called hardware or physical address. A layer 2 address associated with a particular network

GLOSSARY53SNMPSimple Network Management Protocol. The current IETF standard protocol for managing devices on an TCP/IP network.stackA group of network

54 GLOSSARY16950ua.bk Page 54 Thursday, April 29, 1999 1:28 PM

INDEXNumbers10BASE-T ports 1310BASE-T/100BASE-TX ports 133C number 153Com bulletin board service (3Com BBS) 443Com Knowledgebase Web Services 433Com U

56 INDEXRJ45 40serial cable 39pin-outs 39ports10BASE-T 1310BASE-T/100BASE-TX 13auto-negotiating 13console 15matrix 16power socket 15powering-up a Swit

3Com Corporation LIMITED WARRANTYSUPERSTACK® II SWITCH 1100HARDWARE3Com warrants this hardware product to be free from defects in workmanship and mate

days after the date of purchase, and this is verified by 3Com, it will be considered dead- or defective-on-arrival (DOA) and a replacement shall be pr

EMC STATEMENTSFCC STATEMENTThis equipment has been tested and found to comply with the limits for a Class A digital device, pursuant to part 15 of the

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ABOUT THIS GUIDEThis guide provides all the information you need to install and use a SuperStack® II Switch 1100 unit with default settings. If you wa

8 ABOUT THIS GUIDEConventionsTable 1 and Table 2 list conventions that are used throughout this guide.Ta b le 1 Notice IconsIcon Notice Type Descri

Related Documentation 9Related DocumentationIn addition to this guide, each Switch 1100 document set includes the following: Management Guide (Part Nu