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3Com 3C16980 Switch User Manual

1. Switch 3300 PC Terminal Cable connector 9 pin female Cable connector 25 pin male female Screen e Screen only required if screen TxD 3 e RxD RxD 2 e e TxD always required Ground 5 e e 7 Ground RTS 7 e A RTS CTS 8 eq 20 DTR DSR 6 5 CTS required for handshake DCD 1 e 6 DSR DTR 4 e 8 DCD PC AT Serial Cable 9 pin to 9 pin Switch 3300 PC AT Serial Port Cable connector 9 pin female Cable connector 9 pin female Screen Shell Shell Screen only required if screen DTR 4 e 0 1 DCD TxD 3 2 RxD always required RxD 2 e e 3 TxD CTS 8 on A DTR required for handshake Ground 5 e e5 Ground always required DSR 6 e ele DSR RTS 7 eq 7 RTS required for handshake DCD 1 eq CIS 40 APPENDIX B PIN OUTS Modem Cable 9 pin to RS 232 25 pin Switch 3300 RS 232 Modem Port Cable connector 9 pin female Cable connector 25 pin male Screen Shell e Screen TxD 3 e 2 TxD RxD 2 e RxD RTS 7 e 4 RTS CTS 8 e e 5 CTS DSR 6 e DSR Ground 5 o e 7 Ground DCD 1 e DCD DTR 4 e 20 DTR RJ45 Pin Pin assignments are identical for 1OBASE T and 100BASE TX RJ45 Assignments connectors Table 6 Pin assignments Pi
2. Self Test LED Expansion Module Port Status LEDs Unit LEDs 10BASE T The Switch has 12 or 24 auto negotiating 10BASE T 100BASE TX ports 100BASE TX Ports configured as MDIX cross over These ports can be set to 10BASE T half duplex 10BASE T full duplex 100BASE TX half duplex 100BASE TX full duplex or they can automatically detect the speed and duplex mode of a link and provide the appropriate connection The maximum segment length is 100m 328ft over Category 5 twisted pair cable As these ports are configured as MDIX cross over you need to use a cross over cable to connect to devices whose ports are MDIX only See Choosing the Correct Cables on page 30 for more information LEDs Table 3 overleaf lists the LEDs visible on the front of the Switch and their states according to color For information on using the LEDs for problem solving see Solving Problems Indicated by LEDs on page 31 14 CHAPTER 1 INTRODUCING THE SWITCH 3300 Table 3 LED behavior LED Color Indicates Port Status LEDs Packet Yellow Packets are being transmitted received on the port Off No packets are being transmitted received on the port Status Green A link is present and the port is enabled Green flashing A link is present but the port is disabled Off No link is present Expansion Module Port Status LEDs Packet Yellow Packets are being transmitted received on the Expansion Module port s Off No packets are being transmitted rec
3. To access the latest networking information on the 3Com Corporation World Wide Web site enter this URL into your Internet browser http www 3com com This service provides access to online support information such as technical documentation and software as well as support options that range from technical education to maintenance and professional services This interactive tool contains technical product information compiled by 3Com expert technical engineers around the globe Located on the World Wide Web at http knowledgebase com this service gives all 3Com customers and partners complementary round the clock access to technical information on most 3Com products 46 APPENDIX D TECHNICAL SUPPORT 3Com FTP Site gt 3Com Bulletin Board Service Download drivers patches software and MIBs across the Internet from the 3Com public FTP site This service is available 24 hours a day 7 days a week To connect to the 3Com FTP site enter the following information into your FTP client m Hostname ftp 3com com m Username anonymous m Password lt your Internet e mail address gt You do not need a user name and password with Web browser software such as Netscape Navigator and Internet Explorer The 3Com BBS contains patches software and drivers for 3Com products This service is available through analog modem or digital modem ISDN 24 hours a day 7 days a week Access by Analog Modem To reach the ser
4. 100BASE FX m Atotal network span of 325m 1066ft is allowed in single repeater topologies one hub stack per wiring closet with a fiber run to the collapsed backbone For example a 225m 738ft fiber link from a repeater to a router or switch plus a 100m 328ft UTP link from a repeater out to the endstations Configuration Rules The Switch provides full duplex support for all its ports including with Full Duplex Expansion Module ports Full duplex allows packets to be transmitted and received simultaneously and in effect doubles the potential throughput of a link With full duplex the Ethernet topology rules are the same but the Fast Ethernet rules are Maximum UTP cable length is 100m 328ft over Category 5 cable m A2km 6562ft fiber link is allowed for connecting switch to switch or endstation to switch 22 CHAPTER 1 INTRODUCING THE SWITCH 3300 gt INSTALLING THE SWITCH This chapter contains the information you need to install and set up the Switch It covers the following topics Choosing a Suitable Site m Rack mounting m Placing Units On Top of Each Other m Stacking Units m The Power up Sequence m Choosing the Correct Cables m Solving Problems Indicated by LEDs a Managing the Switch WARNING Safety Information Before installing or removing any components from the Switch 3300 or carrying out any maintenance procedures you must read the safety information provided in Appen
5. HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGES AND LIMITS ITS LIABILITY TO REPAIR REPLACEMENT OR REFUND OF THE PURCHASE PRICE PAID AT 3COM S OPTION THIS DISCLAIMER OF LIABILITY FOR DAMAGES WILL NOT BE AFFECTED IF ANY REMEDY PROVIDED HEREIN SHALL FAIL OF ITS ESSENTIAL PURPOSE UN DISCLAIMER Some countries states or provinces do not allow the exclusion or limitation of implied warranties or the imitation of incidental or consequential damages for certain products supplied to consumers or the imitation of liability for personal injury so the above limitations and exclusions may be limited in their application to you When the implied warranties are not allowed to be excluded in their entirety they will be imited to the duration of the applicable written warranty This warranty gives you specific legal rights which may vary depending on local law GOVERNING LAW This Limited Warranty shall be governed by the laws of the State of California U S A excluding its conflicts of aws principles and excluding the United Nations Convention on Contracts for the International Sale of Goods 3Com Corporation 5400 Bayfront Plaza Santa Clara CA 95054 408 326 5000 EMC STATEMENTS FCC STATEMENT This equipment has been tested and found to comply with the limits for a Class A digital device pursuant to part 15 ofthe FCC rules These limits are designed to provide reasonable protection against harmful interference when
6. Power System Socket Unit Information This label shows the following Label The 3Com product name of the Switch m The 3Com number of the Switch m The unique MAC address Ethernet address of the Switch m The serial number of the Switch You may need this information for fault reporting purposes Power Socket The Switch automatically adjusts its power setting to any supply voltage in the range 90 240V A C Redundant Power To protect against internal power supply failure you can use this socket System Socket to connect a SuperStack Il Advanced Redundant Power System RPS to the Switch See Connecting a Redundant Power System on page 29 16 CHAPTER 1 INTRODUCING THE SWITCH 3300 Console Port Expansion Module Slot p Matrix Port The console port allows you to connect a terminal and perform remote or local out of band management The console port uses standard null modem cable and is set to auto baud 8 data bits no parity and 1 stop bit You can use this slot to install an Expansion Module for example a 100BASE FX Module that provides an additional high speed link or a Matrix Module that provides four matrix ports for stacking Switch units together 3Com provides a range of Expansion Modules contact your supplier for availability For more information about Matrix Modules see Stacking Units on page 26 When an Expansion Module is not installed ensure the blanking plate is secured in place The ma
7. The unit must be connected to an earthed grounded outlet to comply with European safety standards Power Cord Set This must be approved for the country where it is used U S A and The cord set must be UL approved and CSA certified Canada a The minimum specification for the flexible cord is No 18 AWG Type SV or SJ 3 conductor The cord set must have a rated current capacity of at least 10A a The attachment plug must be an earth grounding type with a NEMA 5 15P 15A 125V or NEMA 6 15P 15A 250V configuration Denmark The supply plug must comply with section 107 2 D1 standard DK2 1a or DK2 5a Switzerland The supply plug must comply with SEV ASE 1011 The appliance coupler the connector to the unit and not the wall plug must have a configuration for mating with an EN60320 IEC320 appliance inlet The socket outlet must be near to the unit and easily accessible You can only remove power from the unit by disconnecting the power cord from the outlet This unit operates under SELV Safety Extra Low Voltage conditions according to IEC 950 The conditions are only maintained if the equipment to which it is connected also operates under SELV conditions Switzerland only The supply plug must comply with SEV ASE 1011 Important Safety Information 35 France and Peru only This unit cannot be powered from supplies If your supplies are of IT type this unit must be powered by 230V 2P T via an iso
8. how a Switch 3300 stack can act as Collapsed Backbone backbone for both shared and switched network segments Switch Figure 4 Using the Switch as a collapsed backbone Endstations on shared 10Mbps and 100Mbps connections Dual Speed Hub 500 Endstations on shared 10Mbps and 100Mbps connections Dual Speed Hub 500 100Mbps Endstations on switched Ep Endstations on switched 10Mbps connections Switch 1100 pu TITI W sse CEE BEES se I Bo en Ep Endstations on switched 10Mbps connections Switch 1100 basada TI II Su S ww Bas aa aaa auwe ag Gr Switch 3300 stack Servers on dedicated 10Mbps connections ITTY KSssg LILIT DCH L IIITT LITII 100Mbps connections Network Configuration Examples 19 Switch 3300 as a The example in Figure 5 shows how a Switch 3300 can be used for a Desktop Switch group of users that require dedicated 10Mbps or 100Mbps connections to the desktop The Switch 3300 stack has a SuperStack Il Switch 1000BASE SX Module that allows it to provide a Gigabit Ethernet link to a SuperStack Il Switch 9000 SX in the basement Figure 5 Using the Switch in a desktop environment Switch 3300 stack with a 1000BASE SX Module Endstations o
9. of the Switch We recommend that you provide a minimum of 25mm 1in clearance m No more than four Switch units are placed on top of one another if the units are free standing Rack mounting IN The Switch is 1 5U high and fits in most standard 19 inch racks CAUTION Disconnect all cables from the Switch before continuing Remove all self adhesive pads from the underside of the Switch if they have been fitted Place the Switch the right way up on a hard flat surface with the front facing towards you Locate a mounting bracket over the mounting holes on one side of the Switch as shown in Figure 7 Placing Units On Top of Each Other 25 Figure 7 Fitting a bracket for rack mounting A A AA A A A A A A A N A A A A A A A A A A A A A A A NN NN NNNM Y KANNNNANANNA KANNNNNANANA a GET 3 d d 1 2596 ae d M CN 4 SY 3 Insert the three screws and tighten with a suitable screwdriver You must use the screws supplied with the mounting brackets Damage caused to the unit by using incorrect screws invalidates your warranty 4 Repeat steps 2 and 3 for the other side of the Switch 5 Insert the Switch into the 19 inch rack and secure with suitable screws not provided Ensure that ventilation holes are not obstructed 6 Connect network cabling Placing Units On If the Switch units are free standing up to four
10. C number 15 3Com bulletin board service 3Com BBS 46 3Com Knowledgebase Web Services 45 3Com URL 45 3ComFacts 47 A auto negotiating ports 13 bulletin board service 46 C cable choosing the correct 30 Matrix 16 maximum length 13 21 pin outs 39 console port 16 conventions notice icons About This Guide 8 text About This Guide 8 cross over configuration 13 30 E Ethernet address of the Switch 15 Expansion Module slot 16 F Fast Ethernet configuration rules 20 fax service 3ComFacts 47 full duplex configuration rules 21 G glossary 51 H hardware features 12 installing the Switch 23 prerequisites 24 L LEDs 13 Light Emitting Diodes See LEDs M MAC address of the Switch 15 management software 32 anaging the Switch 32 atrix Cable 16 atrix Module 16 atrix Module slot 16 atrix port 16 DI configuration 30 DIX configuration 13 30 IBs 46 m M M M m M M M N network configuration examples 17 network supplier support 47 online technical services 45 pin assignments modem cable 40 null modem cable 39 RJ45 40 serial cable 39 pin outs 39 ports 10BASE T 100BASE TX 13 auto negotiating 13 console 16 matrix 16 power socket 15 powering up a Switch 3300 29 product name 15 R rack mounting a Switch 3300 24 Redundant Power System See RPS returning products for repair 49 RPS 15 connecting 29 socket 15 5 safety informatio
11. Com SuperStack Switch 3300 3 User Guide 3C16980 3C16981 http www 3com com Part No DUA1698 OAAA05 Published April 1999 3Com Corporation 5400 Bayfront Plaza Santa Clara California 95052 8145 Copyright 1999 3Com Technologies All rights reserved No part of this documentation may be reproduced in any form or by any means or used to make any derivative work such as translation transformation or adaptation without written permission from 3Com Technologies 3Com Technologies reserves the right to revise this documentation and to make changes in content from time to time without obligation on the part of 3Com Technologies to provide notification of such revision or change 3Com Technologies provides this documentation without warranty term or condition of any kind either implied or expressed including but not limited to the implied warranties terms or conditions of merchantability satisfactory quality and fitness for a particular purpose 3Com may make improvements or changes in the product s and or the program s described in this documentation at any time If there is any software on removable media described in this documentation it is furnished under a license agreement included with the product as a separate document in the hard copy documentation or on the removable media in a directory file named LICENSE TXT or LICENSE TXT If you are unable to locate a copy please contact 3Com and a copy will
12. MS OR CONDITIONS EXPRESS OR IMPLIED EITHER IN FACT OR BY OPERATION OF LAW STATUTORY OR OTHERWISE INCLUDING WARRANTIES TERMS OR CONDITIONS OF MERCHANTABILITY FITNESS FOR A PARTICULAR PURPOSE SATISFACTORY QUALITY CORRESPONDENCE WITH DESCRIPTION AND NON INFRINGEMENT ALL OF WHICH ARE EXPRESSLY DISCLAIMED 3COM NEITHER ASSUMES NOR AUTHORIZES ANY OTHER PERSON TO ASSUME FOR IT ANY OTHER LIABILITY IN CONNECTION WITH THE SALE INSTALLATION MAINTENANCE OR USE OF ITS PRODUCTS 3COM SHALL NOT BE LIABLE UNDER THIS WARRANTY IF ITS TESTING AND EXAMINATION DISCLOSE THAT HE ALLEGED DEFECT OR MALFUNCTION IN THE PRODUCT DOES NOT EXIST OR WAS CAUSED BY USTOMER S OR ANY THIRD PERSON S MISUSE NEGLECT IMPROPER INSTALLATION OR TESTING NAUTHORIZED ATTEMPTS TO OPEN REPAIR OR MODIFY THE PRODUCT OR ANY OTHER CAUSE BEYOND HE RANGE OF THE INTENDED USE OR BY ACCIDENT FIRE LIGHTNING OTHER HAZARDS OR ACTS OF GOD co LIMITATION OF LIABILITY TO THE FULL EXTENT ALLOWED BY LAW 3COM ALSO EXCLUDES FOR ITSELF AND ITS SUPPLIERS ANY ABILITY WHETHER BASED IN CONTRACT OR TORT INCLUDING NEGLIGENCE FOR INCIDENTAL ONSEQUENTIAL INDIRECT SPECIAL OR PUNITIVE DAMAGES OF ANY KIND OR FOR LOSS OF REVENUE OR ROFITS LOSS OF BUSINESS LOSS OF INFORMATION OR DATA OR OTHER FINANCIAL LOSS ARISING OUT OF OR IN CONNECTION WITH THE SALE INSTALLATION MAINTENANCE USE PERFORMANCE FAILURE OR NTERRUPTION OF ITS PRODUCTS EVEN IF 3COM OR ITS AUTHORIZED RESELLER
13. Management Guide part number DUA1695 0BAA0 x D DH ts SAFETY INFORMATION You must read the following safety information before carrying out any installation or removal of components or any maintenance procedures on the Switch 3300 WARNING Warnings contain directions that you must follow for your personal safety Follow all directions carefully You must read the following safety information carefully before you install or remove the unit AVERTISSEMENT Les avertissements pr sentent des consignes que vous devez respecter pour garantir votre s curit personnelle Vous devez respecter attentivement toutes les consignes Nous vous demandons de lire attentivement les consignes suivantes de s curit avant d installer ou de retirer l appareil WARNHINWEIS Warnhinweise enthalten Anweisungen die Sie zu Ihrer eigenen Sicherheit befolgen m ssen Alle Anweisungen sind sorgf ltig zu befolgen Sie m ssen die folgenden Sicherheitsinformationen sorgf ltig durchlesen bevor Sie das Ger t installieren oder ausbauen 34 APPENDIX A SAFETY INFORMATION Important Safety Information Installation and removal of the unit must be carried out by qualified personnel only If installing the Switch unit in a stack with SuperStack II Hub units the Switch 3300 unit must be installed below the narrower Hub units The unit should never be connected to an A C outlet power supply without an earth ground connection
14. New Zealand 0800 446 398 Taiwan R O C 0080 611 261 Pakistan 61 2 9937 5085 Thailand 001 800 611 2000 Philippines 1235 61 266 2602 Europe From anywhere in Europe call 31 0 30 6029900 phone 31 0 30 6029999 fax Europe South Africa and Middle East From the following countries you may use the toll free numbers Austria Belgium Denmark Finland France Germany Hungary Ireland Israel Italy Latin America Argentina Brazil Chile Colombia 0800 297468 Netherlands 0800 0227788 0800 71429 Norway 800 11376 800 17309 Poland 00800 3111206 0800 113153 Portugal 0800 831416 0800 917959 South Africa 0800 995014 0800 1821502 Spain 900 983125 00800 12813 Sweden 020 795482 1800 553117 Switzerland 0800 55 3072 1800 9453794 U K 0800 966197 1678 79489 AT amp T 800 666 5065 Mexico 01 800 CARE 01 800 2273 0800 13 3266 Peru AT amp T 800 666 5065 1230 020 0645 Puerto Rico 800 666 5065 98012 2127 Venezuela AT amp T 800 666 5065 North America 1 800 NET 3Com 1 800 638 3266 Enterprise Customers 1 800 876 3266 Returning Products for Repair 49 Returning Products for Repair Before you send a product directly to 3Com for repair you must first obtain an authorization number Products sent to 3Com without authorization numbers will be returned to the sender unopened at the sender s expense To obtain an authorization number call or fax Country Telephone Number Fax Number Asia Paci
15. affic Carrier sense Multiple Access with Collision Detection The protocol defined in Ethernet and IEEE 802 3 standards in which devices transmit only after finding a data channel clear for a period of time When two devices transmit simultaneously a collision occurs and the colliding devices delay their retransmissions for a random length of time A computer printer or server that is connected to a network A LAN specification developed jointly by Xerox Intel and Digital Equipment Corporation Ethernet networks use CSMA CD to transmit packets at a rate of 10Mbps over a variety of cables See MAC address An Ethernet system that is designed to operate at 100Mbps The process of sending a packet toward its destination using a networking device The process of screening a packet for certain characteristics such as source address destination address or protocol Filtering is used to determine whether traffic is to be forwarded and can also prevent unauthorized access to a network or network devices A congestion control mechanism Congestion is caused by devices sending traffic to already overloaded port on a Switch Flow control prevents packet loss and inhibits devices from generating more traffic until the period of congestion ends A system that allows packets to be transmitted and received at the same time and in effect doubles the potential throughput of a link A system that allows packets to transmitted and received
16. be provided to you UNITED STATES GOVERNMENT LEGEND If you are a United States government agency then this documentation and the software described herein are provided to you subject to the following All technical data and computer software are commercial in nature and developed solely at private expense Software is delivered as Commercial Computer Software as defined in DFARS 252 227 7014 June 1995 or as a commercial item as defined in FAR 2 101 a and as such is provided with only such rights as are provided in 3Com s standard commercial license for the Software Technical data is provided with limited rights only as provided in DFAR 252 227 7015 Nov 1995 or FAR 52 227 14 June 1987 whichever is applicable You agree not to remove or deface any portion of any legend provided on any licensed program or documentation contained in or delivered to you in conjunction with this User Guide Unless otherwise indicated 3Com registered trademarks are registered in the United States and may or may not be registered in other countries 3Com the 3Com logo Net Age SmartAgent SuperStack and Transcend are registered trademarks of 3Com Corporation CoreBuilder and PACE are trademarks of 3Com Corporation 3ComFacts is a service mark of 3Com Corporation All other company and product names may be trademarks of the respective companies with which they are associated Environmental Statement is a3Com policy to be environmentally
17. but not at the same time Contrast with full duplex hub IEEE IEEE 802 1D IETF IPX IP address LAN line speed loop MAC GLOSSARY 53 A device that regenerates LAN traffic so that the transmission distance of that signal can be extended Hubs are similar to repeaters in that they connect LANs of the same type however they connect more LANs than a repeater and are generally more sophisticated Institute of Electrical and Electronics Engineers This American organization was founded in 1963 and sets standards for computers and communications A standard that defines the behavior of bridges in an Ethernet network Internet Engineering Task Force An organization responsible for providing engineering solutions for TCP IP networks In the network management area this group is responsible for the development of the SNMP protocol Internet Protocol IP is a layer 3 network protocol that is the standard for sending data through a network IP is part of the TCP IP set of protocols that describe the routing of packets to addressed devices Internetwork Packet Exchange IPX is a layer 3 and 4 network protocol designed for networks that use Novell Netware Internet Protocol address A unique identifier for a device attached to a network using TCP IP The address is written as four octets separated with periods full stops and is made up of a network section an optional subnet section and a host section Local A
18. ct differs from the information in this guide follow the instructions in the release notes Most user guides and release notes are available in Adobe Acrobat Reader Portable Document Format PDF or HTML on the 3Com World Wide Web site http www 3com com Conventions Table 1 and Table 2 list conventions that are used throughout this guide Table 1 Notice Icons Icon Notice Type Description Information note Information that describes important features or instructions Caution Information that alerts you to potential loss of data or A potential damage to an application system or device Warning Information that alerts you to potential personal injury Table 2 Text Conventions Convention Description Screen displays This typeface represents information as it appears on the screen Syntax The word syntax means that you must evaluate the syntax provided and then supply the appropriate values for the placeholders that appear in angle brackets Example To enable RIPIP use the following syntax SETDefault lt port gt RIPIP CONTrol Listen In this example you must supply a port number for lt port gt Commands The word command means that you must enter the command exactly as shown and then press Return or Enter Commands appear in bold Example To remove the IP address enter the following command SETDefault 0 IP NETaddr 0 0 0 0 The words enter When you see the wor
19. d enter in this guide you must type and type something and then press Return or Enter Do not press Return or Enter when an instruction simply says type Keyboard key names If you must press two or more keys simultaneously the key names are linked with a plus sign Example Press Ctrl Alt Del Related Documentation Table 2 Text Conventions continued Convention Description Words in italics Italics are used to Emphasize a point Denote a new term at the place where it is defined in the text Identify menu names menu commands and software button names Examples From the He p menu select Contents Click OK In addition to this guide each Switch 3300 document set includes the following Management Guide Part Number DUA 1695 0BAAOx This guide contains all the management information for the Switch Quick Reference Guide Part Number 1698 0AAAO0x This guide contains a quick summary of the hardware and software information for the Switch Quick Installation Guide Part Number DIA1698 0AAAO0x This guide contains a summary of the package contents and a quick summary of the installation information for the Switch Release Notes Part Number DNA 1695 0AAAO0Xx These notes provide information about the current software release including new features modifications and known problems SuperStack Switch Help This help provides information about the web interface s
20. dix A of this guide AVERTISSEMENT Consignes de s curit Avant d installer ou d enlever tout composant du Switch 3300 ou d entamer une proc dure de maintenance lisez les informations relatives la s curit qui se trouvent dans l Appendice A de ce guide WARNHINWEIS Sicherheitsinformationen Bevor Sie Komponenten aus dem Switch 3300 entfernen oder dem Switch 3300 hinzufuegen oder Instandhaltungsarbeiten verrichten lesen Sie die Sicherheitsanweisungen die in Appendix A Anhang A in diesem Handbuch aufgefuehrt sind 24 CHAPTER 2 INSTALLING THE SWITCH Choosing a Suitable Site The Switch is suited for use in an office environment where it can be mounted in a standard 19 inch equipment rack or free standing Alternatively the Switch can be rack mounted in a wiring closet or equipment room A rack mounting kit containing two mounting brackets and six screws is supplied with the Switch When deciding where to position the Switch ensure that m You are able to meet the configuration rules detailed in Configuration Rules for Fast Ethernet on page 20 m The Switch is accessible and cables can be connected easily wm Cabling is away from Sources of electrical noise such as radios transmitters and broadband amplifiers Power lines and fluorescent lighting fixtures Water or moisture cannot enter the case of the Switch m Air flow is not restricted around the Switch or through the vents in the side
21. e connected to a network Power On Self Test An internal test that a Switch carries out when it is powered up A set of rules for communication between devices on a network The rules dictate format timing sequencing and error control A simple device that regenerates LAN traffic so that the transmission distance of that signal can be extended Repeaters are used to connect two LANs of the same network type A device that provides WAN links between geographically separate networks Redundant Power System A device that provides a backup source of power when connected to a Switch A section of a LAN that is connected to the rest of the network using a switch or bridge A computer in a network that is shared by multiple endstations Servers provide endstations with access to shared network services such as computer files and printer queues Serial Line Internet Protocol A protocol that allows IP to run over a serial line console port connection SNMP stack STP switch Switch Database TCP IP Telnet TFTP unicast WAN GLOSSARY 55 Simple Network Management Protocol The current IETF standard protocol for managing devices on an TCP IP network A group of network devices that are integrated to form a single logical device See Spanning Tree Protocol STP A device that interconnects several LANs to form a single logical LAN that comprises of several LAN segments Switches are similar to bridges i
22. eived on the Expansion Module port s Status Yellow A valid Expansion Module is installed Yellow flashing An unrecognized Expansion Module is installed Off No Expansion Module is installed Unit LEDs 1 8 Green The Switch forms a stack with other Switch units the LED indicates the position of the Switch in the stack and that a link is present Note that although there are eight LEDs only four Switch units can be stacked at present Off The Switch is stand alone Power Self Test LED Green The Switch is powered up Green flashing The Switch is either downloading software or is initializing which includes running a Power On Self Test Yellow The Switch has failed its Power On Self Test Off The Switch is not receiving power f your Switch has 24 10BASE T 100BASE TX ports these ports are numbered 1 to 24 If your Switch has 12 10BASE T 100BASE TX ports these ports are numbered 1 to 12 For both models ports supplied through an Expansion Module are numbered sequentially from the last fixed port on the front of the unit Switch 3300 Rear View Detail 15 Switch 3300 Rear View Detail Figure 2 Switch 3300 rear view Unit Information Label _ Dietz rel N Matrix Port Power Socket Console Port Matrix Port Expansion Module Slot Redundant
23. en werden die die europ ischen Sicherheitsnormen erf llt m Der Anschlu kabelsatz mu mit den Bestimmungen des Landes bereinstimmen in dem er verwendet werden soll m Der Ger testecker der Anschlu an das Ger t nicht der Wandsteckdosenstecker mu eine passende Konfiguration f r einen Ger teeingang gem EN60320 IEC320 haben m Die Netzsteckdose mu in der N he des Ger ts und leicht zug nglich sein Die Stromversorgung des Ger ts kann nur durch Herausziehen des Ger tenetzkabels aus der Netzsteckdose unterbrochen werden wm Der Betrieb dieses Ger ts erfolgt unter den SELV Bedingungen Sicherheitskleinstspannung gem IEC 950 Diese Bedingungen sind nur gegeben wenn auch die an das Ger t angeschlossenen Ger te unter SELV Bedingungen betrieben werden Nur ein Advanced Redundant Power System 3C 16071 mit Type 2 Power Modules und Type 2 kabel an den Redundant Power System Anschlu anschlie en WARNHINWEIS RJ45 Ports RJ45 Anschl sse Dies sind abgeschirmte RJ45 Datenbuchsen Sie k nnen nicht als Telefonanschlu buchsen verwendet werden An diesen Buchsen d rfen nur RJ45 Datenstecker angeschlossen werden Diese Datenstecker k nnen entweder mit abgeschirmten oder unabgeschirmten Datenkabeln mit abgeschirmten oder unabgeschirmten Klinkensteckern verbunden werden PIN OUTS D D Seeeef Null Modem Cable 9 pin to RS 232 25 pin
24. es combined using a Type 2 Y Cable part number 3C16078 CAUTION The Switch can only use a SuperStack Il Advanced Redundant Power System output Use the following sequence of steps to power up the Switch CAUTION The Switch has no ON OFF switch the only method of connecting or disconnecting main power is by connecting or disconnecting the power cord Plug the power cord into the power socket at the rear of the Switch Plug the other end of the power cord into your power outlet The Switch powers up and runs through its Power On Self Test POST which takes approximately 12 seconds During the Power On Self Test all ports on the Switch are disabled and the LEDs light in the following sequence wm All unit LEDs light Module LEDs light m Port Status LEDs light in a rapid cycle When the POST has completed check the Power Self Test LED to check that your Switch is operating correctly Table 4 shows possible colors for the LED 30 CHAPTER 2 INSTALLING THE SWITCH Table 4 LED colors Color State Green The Switch is powered up and operating normally Yellow The Switch has failed its Power On Self Test This occurs if any of the ports fail during power up Off The Switch is not receiving power If there is evidence of a problem see Solving Problems Indicated by LEDs on page 31 Choosing the All of the ports on the front of the Switch 3300 are configured as MDIX Correct Cables cross over If
25. fic Rim Europe South Africa and Middle East Latin America 65 543 6500 31 30 6029900 65 543 6348 31 30 6029999 1 408 326 2927 1 408 326 3355 From the following countries you may call the toll free numbers select option 2 and then option 2 Austria Belgium Denmark Finland France Germany Hungary Ireland Israel Italy Netherlands Norway Poland Portugal South Africa Spain Sweden Switzerland U K U S A and Canada 0800 297468 0800 71429 800 17309 0800 113153 0800 917959 0800 1821502 00800 12813 1800553117 1800 9453794 1678 79489 0800 0227788 800 11376 00800 3111206 0800 831416 0800 995014 900 983125 020 795482 0800 55 3072 0800 966197 1 800 NET 3Com 1 800 638 3266 Enterprise Customers 1 800 876 3266 1 408 326 7120 not toll free 50 APPENDIX D TECHNICAL SUPPORT 10BASE T 100BASE FX 100BASE TX auto negotiation backbone bandwidth baud bridge broadcast GLOSSARY The IEEE specification for 10Mbps Ethernet over Category 3 4 or 5 twisted pair cable The IEEE specification for 100Mbps Fast Ethernet over fiber optic cable The IEEE specification for 100Mbps Fast Ethernet over Category 5 twisted pair cable A feature on twisted pair ports that allows them to advertise their capabilities for speed duplex and flow control When connected to a port that also supports auto negotiation the link can automatically configure itself to the optimum set
26. formation 34 L information de S curit Importante 36 Wichtige Sicherheitsinformationen 38 PIN OUTS Null Modem Cable 39 PC AT Serial Cable 39 Modem Cable 40 RJ45 Pin Assignments 40 TECHNICAL SPECIFICATIONS TECHNICAL SUPPORT Online Technical Services 45 World Wide Web Site 45 3Com Knowledgebase Web Services 45 3Com FTP Site 46 3Com Bulletin Board Service 46 3Com Facts Automated Fax Service 47 Support from Your Network Supplier 47 Support from 3Com 47 Returning Products for Repair 49 GLOSSARY INDEX 3COM CORPORATION LIMITED WARRANTY EMC STATEMENTS vi ABOUT THIS GUIDE This guide provides all the information you need to install and use a SuperStack Switch 3300 unit with default settings If you want to change the way the Switch works using management software refer to the SuperStack Il Switch Management Guide part number DUA1695 0BAAOXx The guide is intended for use by network administrators who are responsible for installing and setting up network equipment consequently it assumes a basic working knowledge of LANs Local Area Networks This guide is intended for use with both Switch 3300 models m 3C16980 24 10BASE T 100BASE TX ports wm 3C16981 12 10BASE T 100BASE TX ports All pictures and example screens show the 24 port model however all procedures apply to the 24 port model and the 12 port model If the information in the release notes that are shipped with your produ
27. friendly in all operations This manual is printed on paper that comes from sustainable managed European forests The production process for making the pulp has a reduced AOX level adsorbable organic halogen resulting in elemental chlorine free paper The paper is fully biodegradable and recyclable CONTENTS ABOUT THIS GUIDE Conventions 8 Related Documentation 9 Year 2000 Compliance 10 Documentation Comments 10 INTRODUCING THE SWITCH 3300 About the SuperStack Il Switch 3300 12 Summary of Features 12 Switch 3300 Front View Detail 13 10BASE T 100BASE TX Ports 13 LEDs 13 Switch 3300 Rear View Detail 15 Unit Information Label 15 Power Socket 15 Redundant Power System Socket 15 Console Port 16 Expansion Module Slot 16 Matrix Port 16 Network Configuration Examples 17 Switch 3300 as a Segmentation Switch 17 Switch 3300 as a Collapsed Backbone Switch 18 Switch 3300 as a Desktop Switch 19 Configuration Rules for Fast Ethernet 20 Configuration Rules with Full Duplex 21 INSTALLING THE SWITCH Choosing a Suitable Site 24 Rack mounting 24 Placing Units On Top of Each Other 25 Stacking Units 26 Stacking Two Units 26 Stacking Up To Four Units 27 The Power up Sequence 29 Connecting a Redundant Power System 29 Powering up the Switch 3300 29 Checking for Correct Operation 29 Choosing the Correct Cables 30 Solving Problems Indicated by LEDs 31 Managing the Switch 32 SAFETY INFORMATION Important Safety In
28. igation under this express warranty shall be at 3Com s option and expense to refund the purchase price paid by Customer for any defective software product or to replace any defective media with software which substantially conforms to applicable 3Com published specifications Customer assumes responsibility for the selection of the appropriate applications program and associated reference materials 3Com makes no warranty or representation that its software products will meet Customer s requirements or work in combination with any hardware or applications software products provided by third parties that the operation of the software products will be uninterrupted or error free or that all defects in the software products will be corrected For any third party products listed in the 3Com software product documentation or specifications as being compatible 3Com will make reasonable efforts to provide compatibility except where the non compatibility is caused by a bug or defect in the third party s product or from use of the software product not in accordance with 3Com s published specifications or user manual YEAR 2000 WARRANTY In addition to the Hardware Warranty and Software Warranty stated above 3Com warrants that each product sold or licensed to Customer on and after January 1 1998 that is date sensitive will continue performing properly with regard to such date data on and after January 1 2000 provided that all other products used b
29. l Duplex 12 CHAPTER 1 INTRODUCING THE SWITCH 3300 About the SuperStack Switch 3300 Summary of Features p The SuperStack Switch 3300 connects your existing 10Mbps devices connects high performance workgroups with a 100Mbps backbone or server connection and connects power users to dedicated 100Mbps ports all in one switch In addition as part of the 3Com SuperStack II range of products you can combine it with any SuperStack Il system as your network grows The Switch has the following hardware features m 12 or 24 Fast Ethernet auto negotiating 10BASE T 100BASE TX ports a Matrix port for connecting units in the Switch 1100 3300 family to form a stack Connect two units back to back using a single Matrix Cable Connect up to four units using Matrix Cables linked to a Matrix Module wm Slot for an Expansion Module SuperStack Il architecture Connects to Redundant Power System Uninterruptible Power System a 19 inch rack or stand alone mounting For information about the software features of the Switch refer to the SuperStack Il Switch Management Guide 00 1695 0BAAO0x Switch 3300 Front View Detail Figure 1 Switch 3300 front view d ET TTT T T T 18 i E H LU LEI IL Gage mm pog 1OBASE T 100BASE TX Ports Port Status LEDs Power
30. lation transformer ratio 1 1 with the secondary connection point labelled Neutral connected directly to earth ground timp dance la terre U K only The Switch 3300 is covered by Oftel General Approval NS G 12345 J 100003 for indirect connection to a public telecommunications system This can only be achieved using the console port on the unit and an approved modem Sockets for Redundant Power System RPS Only connect an Advanced Redundant Power System 3C16071 with Type 2 Power Modules and Type 2 cables to the Redundant Power System socket WARNING RJ45 Ports These are shielded RJ45 data sockets They cannot be used as telephone sockets Only connect RJ45 data connectors to these sockets Either shielded or unshielded data cables with shielded or unshielded jacks can be connected to these data sockets 36 APPENDIX A SAFETY INFORMATION L information de S curit Importante L installation et la d pose de ce groupe doivent tre confi s un personnel qualifi Si vous entassez l unit Switch avec les unit s SuperStack Il Hub l unit Switch 3300 doit tre install e en dessous des unit s Hub plus troites L unit ne devrait pas etre branchee une prise de courant source de courant sous aucun pr texte sans un branchement mise la terre mise la masse Vous devez raccorder ce groupe une sortie mise la terre mise la masse afin de respecter les normes europ ennes de
31. n English 34 French 36 German 38 segment maximum length 13 21 serial number of the Switch 15 serial port See console port socket power 15 RPS 15 specifications system 43 stacking a Switch 3300 26 standards supported 44 straight through configuration 30 Switch 3300 10BASE T 100BASE TX ports 13 3C number 15 console port 16 dimensions 43 Ethernet address 15 features 12 installation 23 24 MAC address 15 power socket 15 powering up 29 product name 15 rack mounting 24 rear view 15 RPS socket 15 serialnumber 15 size 43 stacking 26 standards supported 44 unit information label 15 weight 43 system specifications 43 T technical support 3Com Knowledgebase Web Services 45 3Com URL 45 bulletin board service 46 fax service 47 network suppliers 47 product repair 49 topology rules for Fast Ethernet 20 topology rules with full duplex 21 U unit information label 15 URL 45 W World Wide Web WWW 45 Y Year 2000 compliance 44 3Com Corporation LIMITED WARRANTY HARDWARE SUPERSTACK SWITCH 3300 3Com warrants this hardware product to be free from defects in workmanship and materials under normal use and service for the following length of time from the date of purchase from 3Com or its authorized reseller Lifetime except that the Fan and Power Supply hardware if any are warranted for five 5 years 3Com s sole obligation under this express warranty shall be at 3C
32. n Number Signal Function Ports configured as MDI 1 TxData Transmit data TxData Transmit data RxData Receive Data ON O Ui BW N Not assigned Not assigned RxData Not assigned Not assigned Receive data RJ45 Pin Assignments 41 Table 6 Pin assignments Pin Number Signal Function Ports configured as MDIX 1 RxData Receive Data 2 RxData Receive Data 3 TxData Transmit data 4 Not assigned 5 Not assigned 6 TxData Transmit data 7 Not assigned 8 Not assigned 42 APPENDIX B PIN OUTS H D se Physical Dimensions TECHNICAL SPECIFICATIONS Height 76mm 3 0 in x Width 483mm 19 0 in x Depth 300mm 12 0 in Weight 4kg 8 8lbs Environmental Requirements Operating Temperature Storage Temperature Operating Humidity Standards 0 to 50 C 32 to 122 F 10 to 70 C 14 to 158 F 10 95 relative humidity non condensing EN60068 IEC68 Safety Agency Certifications UL 1950 EN60950 CSA 22 2 No 950 IEC 950 EMC Emissions Immunity EN55022 Class B Part 15 subpart Class A ICES 003 Class A VCCI Class B AS NZS 3548 Class B CNS 13438 Class A Category 5 screened cables must be used to ensure compliance with the class B requirements of this standard The use of unscreened cables category 3 or 5 for 10BASE T ports or category 5 for 100BASE TX ports complies with the class A requirements EN50082 1 Heat Dissi
33. n switched 10Mbps or 100Mbps connections 4 ooo Local server on a switched 100Mbps connection 1000Mbps Switch 9000 SX 20 CHAPTER 1 INTRODUCING THE SWITCH 3300 Configuration Rules for Fast Ethernet The topology rules for 100Mbps Fast Ethernet are slightly different to those for 10Mbps Ethernet Figure 6 illustrates the key topology rules and provides examples of how they allow for large scale Fast Ethernet networks Figure 6 Fast Ethernet configuration rules MAC MAC EEE 412m 13520 fiber g aa ea Lp Fast Ethernet Switch 100m 328ft UTP 2 Y 1 Repeater 225m 738ft fiber gf DEE i BEN ee E PH een od Fast Ethernet Fast Ethernet Repeater 100m 328ft UTP 2 Repeaters 5m 16 UTP Ge ast Ethernet Repeater et 100m 328ft UTP I EN 25 P di TER A is 454 Fast Ethernet Repeater 100m 328ft REECH MAC Full Duplex 2km 65628 fiber p ei 7 m Bridge Router or Switch Configuration Rules with Full Duplex 21 The key topology rules are Maximum cable length is 100m 328ft over Category 5 cable A 412m 1352ft fiber run is allowed for connecting switch to switch or endstation to switch using half duplex
34. n that they connect LANs of a different type however they connect more LANs than a bridge and are generally more sophisticated A database that is stored by a switch to determine if a packet should be forwarded and which port should forward the packet if it is to be forwarded Transmission Control Protocol Internet Protocol This is the name for two of the most well known protocols developed for the interconnection of networks Originally a UNIX standard TCP IP is now supported on almost all platforms and is the protocol of the Internet TCP relates to the content of the data travelling through a network ensuring that the information sent arrives in one piece when it reaches its destination IP relates to the address of the endstation to which data is being sent as well as the address of the destination network A TCP IP application protocol that provides a virtual terminal service letting a user log into another computer system and access a device as if the user were connected directly to the device Trivial File Transfer Protocol Allows you to transfer files such as software upgrades from a remote device using the local management capabilities of the Switch A packet sent to a single endstation on a network Wide Area Network A communications network that covers a wide area AWAN can cover a large geographic area and may contain several LANs within it 56 GLOSSARY INDEX Numbers 10BASE T 100BASE TX ports 13 3
35. ng Units On Top of Each Other on page 25 When positioning the units note that Matrix Cables are 1m 3 28ft long As shown in Eigure 8 connect one end of the Matrix Cable to the matrix port of the top Switch and the other end to the matrix port of the lower Switch If you use the management software of the units m Ensure that both units have the same version of management software m Ensure that you re configure the stack wide features on both units For more information about management software see Managing the Switch on page 32 Stacking Units 27 Figure 8 A stack of two units Stacking Up To Four You can stack up to four Switch units with a single SuperStack Il Switch Units Matrix Module and the appropriate number of Matrix Cables i gt You only need one Matrix Module for each stack To stack up to four Switch units 1 Power off all the units 2 Arrange the units as required They can be rack mounted or free standing if you choose to have them free standing remember to position the rubber feet as detailed in Placing Units On Top of Each Other on page 25 When positioning the units note that Matrix Cables are 1m 3 28ft long 3 Install the Matrix Module into one of the units You can find instructions for doing this in the documentation that accompanies the Matrix Module We recommend that for ease of configuration the Matrix Module should be installed in the bottom Switch of your stack 4 Co
36. nnect the Matrix Cables as shown in Figure 9 a Connect a Matrix Cable to the port marked Unit 1 on the Matrix Module Connect the other end of this cable to the matrix port of the Switch that contains the Matrix Module b Connect a second Matrix Cable to the port marked Unit 2 on the Matrix Module Connect the other end of this cable to the matrix port of the second Switch Repeat steps a and b for any additional units 28 CHAPTER 2 INSTALLING THE SWITCH 5 If you use the management software of the units Ensure that all the units have the same version of management software wm Ensure that you re configure the stack wide features on all the units For more information about management software see Managing the Switch on page 32 Figure 9 A stack of units with a Matrix Module The Power up Sequence 29 The Power up Sequence Connecting a Redundant Power System N Powering up the Switch 3300 Checking for Correct Operation The following sections describe how to get your Switch 3300 powered up and ready for operation You can connect a SuperStack Il Advanced Redundant Power System part number 3C16071 to the Switch This unit which is also known as an RPS is designed to maintain the power to your Switch if a power supply failure occurs For normal redundancy the unit requires one Type 2 Power Module part number 3C16074 For full redundancy the unit requires two Type 2 Power Modul
37. oftware of the Switch It is supplied on the SuperStack Il Switch CD ROM SuperStack Il Switch README File This file provides information about the current software release including new features modifications and known problems 10 ABOUT THIS GUIDE In addition there are other publications you may find useful m Documentation accompanying the Expansion Modules m Documentation accompanying the Advanced Redundant Power System Year 2000 Compliance For information on Year 2000 compliance and 3Com products visit the 3Com Year 2000 Web page http www 3com com products yr2000 html Documentation Comments Your suggestions are very important to us They will help make our documentation more useful to you Please e mail comments about this document to 3Com at pddtechpubs_comments 3com com Please include the following information when commenting m Document title Document part number on the title page m Page number if appropriate Example m SuperStack Il Switch 3300 User Guide m Part Number DUA1698 0AAA04 m Page 21 INTRODUCING THE SWITCH 3300 This chapter contains introductory information about the Switch and how it can be used in your network It covers the following topics About the SuperStack Il Switch 3300 Switch 3300 Front View Detail Switch 3300 Rear View Detail Network Configuration Examples Configuration Rules for Fast Ethernet Configuration Rules with Ful
38. om s option and expense to repair the defective product or part deliver to Customer an equivalent product or part to replace the defective item or if neither of the two foregoing options is reasonably available 3Com may in its sole discretion refund to Customer the purchase price paid for the defective product All products that are replaced will become the property of 3Com Replacement products may be new or reconditioned 3Com warrants any replaced or repaired product or part for ninety 90 days from shipment or the remainder of the initial warranty period whichever is longer Advance Replacement is provided for five 5 years after which time it may be available for a specified fee 3Com will ship the replacement product not later than five 5 business days after receiving the request for advance replacement BUT MAY BE DELAYED DUE TO EXPORT OR IMPORT PROCEDURES When an advance replacement is provided and Customer fails to return the original product to 3Com within fifteen 15 days after shipment of the replacement 3Com will charge Customer for the replacement at list price SOFTWARE 3Com warrants that each software program licensed from it will perform in substantial conformance to its program specifications for a period of ninety 90 days from the date of purchase from 3Com or its authorized reseller 3Com warrants the media containing software against failure during the warranty period No updates are provided 3Com s sole obl
39. oupe ne peut pas tre aliment par un dispositif imp dance la terre Si vos alimentations sont du type imp dance la terre ce groupe doit tre aliment par une tension de 230 V 2 P T par le biais d un transformateur d isolement rapport 1 1 avec un point secondaire de connexion portant l appellation Neutre et avec raccordement direct la terre masse Branchez uniquement un Advanced Redundant Power System 3C16071 avec Type 2 Power Modules et Type 2 c bles sur la prise femelle du Redundant Power System AVERTISSEMENT Les ports RJ45 s agit de prises femelles blind es de donn es RJ45 Vous ne pouvez pas les utiliser comme prise de t l phone Branchez uniquement des connecteurs de donn es RJ45 sur ces prises femelles Les c bles de donn es blind s ou non blind s avec les jacks blind s ou non blind s l un ou l autre peuvent tre branch s ces prises de courant de donn es 38 APPENDIX A SAFETY INFORMATION Wichtige Sicherheitsinformat ionen Die Installation und der Ausbau des Ger ts darf nur durch Fachpersonal erfolgen Wenn die Switch 3300 Einheit in einer Stapel mit anderen SuperStack Hub Einheiten eingebaut werden soll mu die Switch 3300 Einheit unter die schmaleren Hub Einheiten eingebaut werden m Das Ger t ist unter keinen umst nden an einen Wechselstrom A C Netzstecker anzuschlie en ohne erdungsleitung m Das Ger t mu an eine geerdete Steckdose angeschloss
40. pation 171 watts maximum 583 BTU hour maximum Power Supply AC Line Frequency Input Voltage Options Current Rating 50 60Hz 90 240 VAC 3amps maximum continued 44 APPENDIX TECHNICAL SPECIFICATIONS Standards Supported Year 2000 Compliance SNMP SNMP protocol RFC 1157 1 RFC 1213 Bridge MIB 1493 Repeater MIB RFC 1516 VLAN MIB RFC 1573 RMON MIB RFC 1271 BOOTP RFC 951 Terminal Emulation Telnet RFC 854 Protocols Used for Administration UDP RFC 768 IP RFC 791 ICMP RFC 792 TCP RFC 793 ARP RFC 826 TFTP RFC 783 For information on Year 2000 Compliance and 3Com products visit the 3Com Year 2000 Web page http www 3Com com products yr2000 html oe ff ge se TECHNICAL SUPPORT 3Com provides easy access to technical support information through a variety of services This appendix describes these services Information contained in this appendix is correct at time of publication For the most recent information 3Com recommends that you access the 3Com Corporation World Wide Web site Online Technical Services World Wide Web Site 3Com Knowledgebase Web Services 3Com offers worldwide product support 24 hours a day 7 days a week through the following online systems m World Wide Web site m 3Com Knowledgebase Web Services m 3Com FIP site m 3Com Bulletin Board Service 3Com BBS m 3Com Facts Automated Fax Service
41. rea Network A network of endstations such as PCs printers servers and network devices hubs and switches that cover a relatively small geographic area usually not larger than a floor or building LANs are characterized by high transmission speeds over short distances up to 1000m See baud An event that occurs when two network devices are connected by more than one path thereby causing packets to repeatedly cycle around the network and not reach their destination Media Access Control A protocol specified by the IEEE for determining which devices have access to a network at any one time 54 GLOSSARY MAC address MDI MDI X multicast NIC POST protocol repeater router RPS segment server SLIP Media Access Control address also called hardware or physical address A layer 2 address associated with a particular network device Most devices that connect to a LAN have a MAC address assigned to them as they are used to identify other devices in a network MAC addresses are 6 bytes long Medium Dependent Interface An Ethernet port connection where the transmitter of one device is connected to the receiver of another device Medium Dependent Interface Cross over An Ethernet port connection where the internal transmit and receive lines are crossed A packet sent to a specific group of endstations on a network Network Interface Card A circuit board installed in an endstation that allows it to b
42. roduct comes with telephone technical support for ninety 90 days The ninety 90 day period begins on the date of Customer s product purchase The telephone technical support is available from 3Com from 9 a m to 5 p m local time Monday through Friday excluding local holidays Telephone technical support is limited to the 3Com products designated above and may include assistance with installation product specific configuration and identification of equipment problems Please refer to the Technical Support appendix in the User Guide for telephone numbers Response to requests for telephone technical support will be in the form of a return call from a 3Com representative by close of business the following business day To qualify for this 90 days of telephone technical support you must register on the 3Com Web site at http support 3Com com index htm and provide your date of purchase product number and serial number 3Com reserves the right to modify or cancel this telephone support offering at any time without advance notice This offer is not available where prohibited or restricted by law WARRANTIES EXCLUSIVE IF A 3COM PRODUCT DOES NOT OPERATE AS WARRANTED ABOVE CUSTOMER S SOLE REMEDY FOR BREACH OF THAT WARRANTY SHALL BE REPAIR REPLACEMENT OR REFUND OF THE PURCHASE PRICE PAID AT 3COM S OPTION TO THE FULL EXTENT ALLOWED BY LAW THE FOREGOING WARRANTIES AND REMEDIES ARE EXCLUSIVE AND ARE IN LIEU OF ALL OTHER WARRANTIES TER
43. s curit Cordon lectrique doit tre agr dans le pays d utilisation Etats Unis et Le cordon doit avoir recu l homologation des UL et un Canada certificat de la CSA Le cordon souple doit respecter titre minimum les sp cifications suivantes calibre 18 AWG m type SV ou 5 3 conducteurs Le cordon doit tre en mesure d acheminer un courant nominal d au moins 10 A La prise femelle de branchement doit tre du type mise la terre mise la masse et respecter la configuration NEMA 5 15P 15 A 125 V ou NEMA 6 15P 15 A 250 V Danemark La prise m le d alimentation doit respecter la section 107 2 D1 de la norme DK2 1a ou DK2 5a Suisse La prise m le d alimentation doit respecter la norme SEV ASE 1011 Le coupleur d appareil le connecteur du groupe et non pas la prise murale doit respecter une configuration qui permet un branchement sur une entr e d appareil EN60320 CEI 320 La prise secteur doit se trouver proximit de l appareil et son acc s doit tre facile Vous ne pouvez mettre l appareil hors circuit qu en d branchant son cordon lectrique au niveau de cette prise L information de S curit Importante 37 L appareil fonctionne a une tension extr mement basse de s curit qui est conforme la norme CEI 950 Ces conditions ne sont maintenues que si l quipement auquel il est raccord fonctionne dans les m mes conditions France et P rou uniquement Ce gr
44. s still no power you may have a faulty power cord The relevant Switch unit has failed its Power On Self Test POST because of an internal problem Contact your supplier for advice An unrecognized Expansion Module is installed into the relevant Switch unit You may need to remove the Module or upgrade the management software used by the Switch to a version that recognizes the Module Contact your supplier for further advice Check that All connections are secure a The devices at both ends of the link are powered up m The connection uses cross over cable if you are linking a 10BASE T or 100BASE TX port with a device that is MDIX only If you have a Matrix Module installed into your Switch this is normal operation Management software in the stack passes packets between units even if there is no other traffic activity For information about solving problems when managing the Switch refer to the Problem Solving chapter in the SuperStack Il Switch Management Guide DUA1695 OBAAOx 32 CHAPTER 2 INSTALLING THE SWITCH Managing the Switch The Switch contains software that allows you to change and monitor the way it works This management software is not required to get the Switch working but if you do use it you may improve the efficiency of the Switch and therefore improve the overall performance of your network For information on managing the Switch using the management software refer to the SuperStack Il Switch
45. support services When you contact your network supplier for assistance have the following information ready m Product model name part number and serial number m A list of system hardware and software including revision levels wm Diagnostic error messages m Details about recent configuration changes if applicable If you are unable to contact your network supplier see the following section on how to contact 3Com If you are unable to obtain assistance from the 3Com online technical resources or from your network supplier 3Com offers technical telephone support services To find out more about your support options call the 3Com technical telephone support phone number at the location nearest you 48 APPENDIX D TECHNICAL SUPPORT When you contact 3Com for assistance have the following information ready m Product model name part number and serial number m A list of system hardware and software including revision levels m Diagnostic error messages m Details about recent configuration changes if applicable Here is a list of worldwide technical telephone support numbers Country Telephone Number Country Telephone Number Asia Pacific Rim Australia 1800 678 515 P R of China 10800 61 00137 or Hong Kong 800 933 486 021 6350 1590 India 61 2 9937 5085 Singapore 800 6161 463 Indonesia 001 800 61 009 S Korea Japan 0031 61 6439 From anywhere in S Korea 00798 611 2230 Malaysia 1800 801 777 From Seoul 0 2 3455 6455
46. the equipment away from the receiver m Plug the equipment into a different outlet so that equipment and receiver are on different branch circuits If necessary the user should consult the dealer or an experienced radio television technician for additional suggestions The user may find the following booklet prepared by the Federal Communications Commission helpful How to Identify and Resolve Radio TV Interference Problems This booklet is available from the U S Government Printing Office Washington DC 20402 Stock No 004 000 00345 4 In order to meet FCC emissions limits this equipment must be used only with cables which comply with IEEE 802 3
47. the equipment is operated a commercial environment This equipment generates uses and can radiate radio frequency energy and if not installed and used in accordance with the instructions may cause harmful interference to radio communications Operation of this equipment in a residential area is likely to cause harmful interference to radio communications in which case the user will be required to correct the interference at their own expense CSA STATEMENT This Class A digital apparatus meets all requirements of the Canadian Interference Causing Equipment Regulations Cet appareil num rique de la classe A respecte toutes les exigences du Reglement sur le mat riel brouilleur du Canada VCCI STATEMENT CORB FRUEZEFERHEB ENG VCCI OFF CT CORB CHATS TE ZEMLLTUEIMN LEV a ISL RSC SMSO TCEMHVES WR AAS IC HE BCIQ STATEMENT BAN LAURA gt COBEN BEPERA gt HAE BE gt ed ELS INFORMATION TO THE USER If this equipment does cause interference to radio or television reception which can be determined by turning the equipment off and on the user is encouraged to try to correct the interference by one or more of the following measures m Reorient the receiving antenna m Relocate the equipment with respect to the receiver m Move
48. trix port allows you to m Stack the Switch with another unit in the Switch 1100 3300 family using a single Matrix Cable m Stackthe Switch with up to three other units in the Switch 1100 3300 family if one of the units has a Matrix Module installed For more information about the role of the matrix port see Stacking Units on page 26 Network Configuration Examples 17 Network The following illustrations show some examples of how the Switch can be Configuration used in your network Examples Switch 3300 as a The example in Figure 3 shows how a Switch 3300 stack can segment a Segmentation Switch network of shared 10Mbps and 100Mbps connections There is a 10 100 shared segment on each floor and these segments are connected to the Switch which is positioned in the basement Figure 3 Using the Switch to segment your network Endstations on shared 10Mbps Dual Speed Hub 500 and 100Mbps connections Local server on a shared 100Mbps connection Endstations on shared 10Mbps Dual Speed Hub 500 and 100Mbps connections O DODDO Local server on a shared 100Mbps connection 100Mbps Switch 3300 stack Endstations and servers on switched 10Mbps and 100Mbps connections 18 CHAPTER 1 INTRODUCING THE SWITCH 3300 Switch 3300 asa The example in Figure 4 shows
49. units can be placed one Top of Each Other on top of the other If you are mixing a variety of SuperStack Il Switch and Hub units the smaller units must be positioned at the top If you are placing Switch units one on top of the other you must use the self adhesive rubber pads supplied Apply the pads to the underside of each Switch sticking one in the marked area at each corner Place the Switch units on top of each other ensuring that the pads of the upper unit line up with the recesses of the lower unit 26 CHAPTER 2 INSTALLING THE SWITCH Stacking Units Stacking Two Units Units in the Switch 1100 3300 family can be stacked together and then treated as a single manageable unit with one IP address You can stack Switch units together in two ways m The matrix port on the rear of the Switch allows you to connect two Switch units back to back For this you need a Matrix Cable part number 3C 16965 Contact your supplier for details m The Expansion Module slot at the rear of the Switch allows you to install a Matrix Module part number 3C 16960 The Matrix Module provides four ports and allows you to interconnect up to four Switch units using Matrix Cables You can stack two Switch units with a single Matrix Cable To do this Power off both units Arrange the units as required They can be rack mounted or free standing if you choose to have them free standing remember to position the rubber feet as detailed in Placi
50. up The part of a network used as a primary path for transporting traffic between network segments The information capacity measured in bits per second that a channel can transmit The bandwidth of Ethernet is 10Mbps the bandwidth of Fast Ethernet is 100Mbps The signalling rate of a line that is the number of transitions voltage or frequency changes made per second Also known as line speed A device that interconnects two LANs of a different type to form a single logical network that comprises of two network segments Bridges learn which endstations are on which network segment by examining the source addresses of packets They then use this information to forward packets based on their destination address This process is known as filtering A packet sent to all devices on a network 52 GLOSSARY broadcast storm collision CSMA CD endstation Ethernet Ethernet address Fast Ethernet forwarding filtering flow control full duplex half duplex Multiple simultaneous broadcasts that typically absorb all the available network bandwidth and can cause a network to fail Broadcast storms can be due to faulty network devices A term used to describe two colliding packets in an Ethernet network Collisions are a part of normal Ethernet operation but a sudden prolonged increase in the number of collisions can indicate a problem with a device particularly if it is not accompanied by a general increase in tr
51. vice by modem set your modem to 8 data bits no parity and 1 stop bit Call the telephone number nearest you Country Data Rate Telephone Number Australia Up to 14 400 bps 61 2 9955 2073 Brazil Up to 28 800 bps 55 11 5181 9666 France Up to 14 400 bps 33 1 6986 6954 Germany Up to 28 800 bps 4989 62732 188 Hong Kong Up to 14 400 bps 852 2537 5601 Italy Up to 14 400 bps 39 2 27300680 Japan Up to 14 400 bps 81 3 5977 7977 Mexico Up to 28 800 bps 525520 7835 P R of China Up to 14 400 bps 86 10 684 92351 Taiwan R O C Up 14 400 bps 886 2 377 5840 U K Up to 28 800 bps 44 1442 438278 U S A Up to 53 333 bps 1 847 262 6000 3Com Facts Automated Fax Service Support from Your Network Supplier Support from 3Com Support from Your Network Supplier 47 Access by Digital Modem ISDN users can dial in to the 3Com BBS using a digital modem for fast access up to 64 Kbps To access the 3Com BBS using ISDN call the following number 1 847 262 6000 The 3Com Facts automated fax service provides technical articles diagrams and troubleshooting instructions on 3Com products 24 hours a day 7 days a week Call 3Com Facts using your Touch Tone telephone 1408 727 7021 If you require additional assistance contact your network supplier Many suppliers are authorized 3Com service partners who are qualified to provide a variety of services including network planning installation hardware maintenance application training and
52. y Customer in connection or combination with the 3Com product including hardware software and firmware accurately exchange date data with the 3Com product with the exception of those products identified at 3Com s Web site http Avww 3com com products yr2000 html as not meeting this standard If it appears that any product that is stated to meet this standard does not perform properly with regard to such date data on and after January 1 2000 and Customer notifies 3Com before the later of April 1 2000 or ninety 90 days after purchase of the product from 3Com or its authorized reseller 3Com shall at its option and expense provide a software update which would effect the proper performance of such product repair such product deliver to Customer an equivalent product to replace such product or if none of the foregoing is feasible refund to Customer the purchase price paid for such product Any software update or replaced or repaired product will carry a Year 2000 Warranty for ninety 90 days after purchase or until April 1 2000 whichever is later OBTAINING WARRANTY SERVICE Customer must contact a 3Com Corporate Service Center or an Authorized 3Com Service Center within the applicable warranty period to obtain warranty service authorization Dated proof of purchase from 3Com or its authorized reseller may be required Products returned to 3Com s Corporate Service Center must be pre authorized by 3Com with a Return Material Authori
53. you want to make a connection to another MDIX port you need a cross over cable Most of the 10BASE T and 100BASE TX ports on 3Com devices are MDIX only Many ports on workstations and servers are configured as MDI straight through If you want to make a connection to an MDI port you need to use a standard straight through cable This is illustrated in Figure 10 Figure 10 Connecting other devices to the Switch 3300 m KE TI Jel 1 MDI Straight through Cable Hub Workstation ee cc O O CORRE SS Switch Server 31 Solving Problems Indicated by LEDs Solving Problems Indicated by LEDs If the LEDs on the Switch indicate a problem refer to Table 5 which contains a list of problems and suggested solutions Table 5 Problems indicated by LEDs Problem Suggested Solution A Power LED does not light On powering up the Power Self Test LED lights yellow and a Unit LED lights green An Expansion Module Status LED flashes yellow Alink is connected and yet the Status LED for the port does not light The Packet LED for an Expansion Module is flashing even though there is no external traffic on this link Check that the power cable is firmly connected to the relevant Switch unit and to the supply outlet If the connection is secure and there i
54. zation RMA number marked on the outside of the package and sent prepaid and packaged appropriately for safe shipment and it is recommended that they be insured or sent by a method that provides for tracking of the package The repaired or replaced item will be shipped to Customer at 3Com s expense not later than thirty 30 days after 3Com receives the defective product Dead or Defective on Arrival In the event a product completely fails to function or exhibits a defect in materials or workmanship within the first forty eight 48 hours of installation but no later than thirty 30 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 provided by advance replacement The replacement product will normally be shipped not later than three 3 business days after 3Com s verification of the DOA product but may be delayed due to export or import procedures When an advance replacement is provided and Customer fails to return the original product to 3Com within fifteen 15 days after shipment of the replacement 3Com will charge Customer for the replacement product at list price 3Com shall not be responsible for any software firmware information or memory data of Customer contained in stored on or integrated with any products returned to 3Com for repair whether under warranty or not ADDITIONAL SERVICES Telephone Support This SuperStack II p

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