3Com 16985ua.bk Switch User Manual
Contents
1. Local server shared 100Mbps connection 100Mbps Switch 1100 3300 Endstations and servers on switched 10Mbps and 100Mbps connections Switch 3300 MM 18 CHAPTER 1 INTRODUCING THE SWITCH 3300 MM Switch 3300 MM asa The example in Figure 4 showshow a Switch 3300 MM stack can act asa Collapsed Backbone backbone for both shared and switched network segments Switch Figure 4 Using the Switch as a collapsed backbone Endstations on shared 10M bps and 100M bps connections Dual Speed Hub 500 Endstations on shared 10M bps and 100M bps connections Dual Speed Hub 500 100M bps Endstations on switched bps connections Endstations on switched 10M bps connections Switch 1100 Z Endstations on switched 10M bps connections Switch 1100 Switch 1100 3300 LL Switch 3300 MM Servers on dedicated 100M bps connections Switch 3300 MM asa Desktop Switch Network Configuration Examples 19 The example in Figure 5 shows how a Switch 3300 MM can be used within a stack for a group of users that require de2. HS IT TT TTE TTITITIJMM y us NENNEN ef 10BASE T 100BASE TX Ports Port Status LEDs Power Self Test LED Unit LED 10BASE T The Switch has 24 auto negotiating 10BASE T 100BASE TX ports 100BASE TX Ports configured as M DIX 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 M DIX cross over you need to use a cross over cable to connect to devices whose ports are M DIX 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 MM Table 3 LED behavior Indicates LED Color Port Status LEDs Packet Yellow Off Status Green Green flashing Off Unit LEDs 1 8 Green Off Power Self Test LED Green Green flashing Yellow Off Packets are being transmitted received on the port No packets are being transmitted received on the port A link is present and the port is enabled
3. U unit information label 15 URL 45 World Wide Web WWW 45 Y Year 2000 compliance 44 3Com Corporation LIMITED WARRANTY This warranty applies to customers located in the United States Australia Canada except Quebec Ireland New Zealand U K and other English language countries and countries for which a translation into the local language is not provided SUPERSTACK 3 SWITCH 3300 MM HARDWARE 3Com warrants to the end user Customer that this hardware product will 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 for as long as the original Customer owns the product not transferable to a subsequent end user 3Com s sole obligation under this express warranty shall be at 3Com 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 or parts 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
4. http www 3com com This guide makes reference to the SuperStack 3 Switch 3300 MM This Switch has three fixed M atrix Ports on its rear panel and can be used to stack any 1100 3300 family Switch Note that any 1100 3300 family Switch fitted with a Matrix Module can also be used to stack Switches Allthe Switches mentioned in this guide are compatible with the Switches found within the SuperStack 1100 3300 family range 8 ABOUT THIS GUIDE Conventions Table 1 and Table 2 Table 1 Notice Icons Icon Notice Type ist conventions that are used throughout this guide Description instructions gt Information note Information that describes important features or 1 Caution Warning Information that alerts you to potential loss of data or potential damage to an application system or device 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 change your password use the following syntax system password lt password gt In this example you must supply a password for lt passw ord gt Commands The word command means that you must enter the command exactly
5. A link is present but the port is disabled No link is present 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 The Switch is stand alone The Switch is powered up The Switch is either downloading software or is initializing which includes running a Power On Self Test The Switch has failed its Power On Self Test The Switch is not receiving power Switch 3300 MM Rear View Detail 15 Switch 3300 MM Rear View Detail Figure 2 Switch 3300 MM rear view Unit Information Label 7 a ES MOO Power Socket Redundant Power System Socket L Port atrix Ports Unit Information This label shows the following Label The 3Com product name of the Switch m The 3Com 3C 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
6. In order to meet FCC emissions limits this equipment must be used only with cables which comply with IEEE 802 3 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 R glement sur le mat riel brouilleur du Canada CE STATEM ENT EUROPE This product complies with the European Low Voltage Directive 73 23 EEC and EMC Directive 89 336 EEC as amended by European Directive 93 68 EEC Warning This is a class A product In a domestic environment this product may cause radio interference in which case the user may be required to take adequate measures VCCI STATEMENT COR PARES THE VCCI IOS 7 32 A fixi CT ue amp REE TEN oc PEE E SEW EE BODE REBT BLIHKRNZIENDBOUKT BSM I STATEMENT ie PNA Ned EN BREI HI HAE ie AS Pee gt Tele A FERR Eel SETS Al
7. Screen Shell e Shell Screen DTR 4 e e e 1 DCD TxD 3 e 2 RxD RxD 2 3 TxD S CTS 8 e 4 DTR Ground 5 5 Ground DSR 6 6 DSR RTS 7 e e 7 RTS DCD 1 ei 8 CTS required for handshake A0 APPENDIX B PIN OUTS Modem Cable 9 pin to RS 232 25 pin Switch 3300 MM Cable connector 9 pin female RS 232 Modem Port Cable connector 25 pin male Screen Shell e 1 Screen TxD 3 e TxD RxD 2 e 3 RxD RTS 7 4 RTS CTS 8 e e CTS DSR 6 e DSR Ground 5 e 7 Ground DCD 1 8 DCD DTR 4 20 DTR RJ45 Pin Pin assignments are identical for 10BASE T and 100BASE TX RJ45 Assignments connectors Table 6 Pin assignments Pin Number Signal Function Ports configured as MDI TxData Transmit data TxData Transmit data RxData Receive Data Not assigned Not assigned RxData Not assigned A N Not assigned Receive data Table 6 Pin assignments RJ45 Pin Assignments 41 Function Pin Number Signal Ports configured as MDIX RxData RxData TxData Not assigned Not assigned TxData Not assigned A W N Be Not assigned Receive Data Receive Data Transmit data Transmit data 42 APPENDIX B PIN OUTS Physical Dimensions TECHNICAL SPECIFICATIONS Height 43 6mm x
8. 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 Support from Your Network Supplier 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 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 m Diagnostic error messages 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 Support from 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 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 Support from 3Com 4
9. 30 Solving Problems Indicated by LEDs 31 Managing the Switch 32 SAFETY INFORMATION Important Safety Information 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 Support from Your Network Supplier 46 Support from 3Com 46 Returning Products for Repair 48 GLOSSARY INDEX 3CoM CORPORATION LIMITED WARRANTY REGULATORY NOTICES gt gt ABOUT THIS GUIDE This guide provides all the information you need to install and use a SuperStack 3 Switch 3300 MM 3C16988A unit with default settings If you want to change the way the Switch works using management software refer to the SuperStack Switch Management Guide 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 If the information in the release notes that are shipped with your product differs from the information in this guide follow the instructions in the release notes M ost user guides and release notes are available in Adobe Acrobat Reader Portable Document Format PDF or HTML on the 3Com World Wide Web site
10. SOFTWARE 3Com warrants to Customer that each software program licensed from it except as noted below 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 unless specifically included in the Included Services section 3Com s sole obligation 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 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 effortsto provide compatibility except where the non compatibility is caused by a bug or defect in the third party
11. 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 of the Switch We recommend that you provide a minimum of 25mm 1in clearance No more than four Switch units are placed on top of one another if the units are free standing m f used in an office environment the switch is positioned so that any noise from the fan is not disruptive Rack mounting AN The Switch is 1U 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 3 gt Placing Units On of Each Other 25 Figure 7 Fitting a bracket for rack mounting Insert the two screws and tighten with a suitable screw driver 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 Connect network cabling Placing Units On Top of Each
12. Width 440mm x Depth 247 5mm Weight 5kg 11105 Environmental Requirements Operating Temperature Storage Temperature Operating Humidity 0 to 50 C 32 to 122 F 10 to 70 C 14 to 158 F 10 95 relative humidity non condensing Standards EN60068 IEC68 various parts Safety Agency Certifications UL 1950 EN60950 CSA 22 2 No 950 IEC 60950 EMC Emissions EN55022 Class A FCC Part 15 subpart B Class A ICES 003 Class A VCCI Class A AS NZS 3548 Class A CNS 13438 Class A Immunity EN50082 1 Heat Dissipation 75 watts maximum Power Supply AC Line Frequency Input Voltage Options Current Rating 50 60Hz 90 240 VAC 3amps maximum continued 44 APPENDIX C TECHNICAL SPECIFICATIONS Standards Supported SNMP SNM P protocol RFC 1157 M IB II RFC 1213 Bridge MIB RFC 1493 Repeater MIB RFC 1516 VLAN MIB RFC 1573 RMON MIB 1271 BOOTP RFC 951 Terminal Emulation Telnet RFC 854 Protocols Used for Administration UDP RFC 768 IP RFC 791 ICM P RFC 792 TCP RFC 793 ARP RFC 826 TFTP RFC 783 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 TECHNICAL SUPPORT 3Com provides easy access to technical support information through a variety of services This appendix describes these services Information contained in this append
13. modifications and known problems SuperStack Switch Help This help provides information about the web interface software of the Switch It is supplied on the SuperStack Switch CD ROM SuperStack Switch README File This file provides information about the current software release including new features modifications and known problems It is supplied on the SuperStack Switch CD ROM In addition there are other publications you may find useful Documentation accompanying the Advanced Redundant Power System 10 ABOUT THIS GUIDE 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 Your suggestions are very important to us They will help make our Comments 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 m Document part number on the title page m Page number if appropriate Example m SuperStack 3 Switch 3300 MM User Guide m Part Number DUA1698 8AAA02 m Page 21 Product You can now register your SuperStack Switch on the 3Com web site to Registration receive up to date information on your product http support 3com com warrantyregistration register pl INTRODUCING THE SWITCH 3300 MM This chapter contains introductory information about the Swit
14. 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 Area 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 ER GLOSSARY loop MAC MAC address MDI MDI X multicast NIC POST protocol repeater router RPS segment 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 Media Access Control address also called hardware or physical address A layer 2 address associated
15. 328ft over Category 5 cable m A 412m 1352ft fiber run is allowed for connecting switch to switch or endstation to switch using half duplex 100BASE FX m A total 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 with Full Duplex The Switch provides full duplex support for all its 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 m Maximum UTP cable length is 100m 328ft over Category 5 cable m A 2km 6562ft fiber link is allowed for connecting switch to switch or endstation to switch 22 CHAPTER 1 INTRODUCING THE SWITCH 3300 MM A AN INSTALLING THE SWITCH This chapter contains the information you need to install and set up the Switch It covers the following topics m 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 Managing the Switch WARNING Safety Information Before installing or removing any com
16. 7 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 82 2 3455 6455 Japan 0531 61 6439 From anywhere in S Korea 00798 611 2230 M alaysia 1800 801 777 From Seoul 00798 611 2230 New Zealand 0800 446 398 Taiwan R O C 0080 611 261 Pakistan 461 2 9937 5083 Thailand 001 800 611 2000 Philippines 1235 61 266 2602 Europe From anywhere in Europe call 31 0 30 6029900 phone 31 0 30 6054396 fax Europe South Africa and Middle East From the following countries you may use the toll free numbers Austria 0800 297468 M iddle East 1800 945 3794 Belgium 0800 71429 Netherlands 0800 0227788 Denmark 800 17309 Norway 800 11376 Finland 0800 113153 Poland 00800 3111206 France 0800 917959 Portugal 0800 831416 Germany 0800 1821502 Russia 0800 995014 Hungary 06800 12813 South Africa 0800 995014 Ireland 1800 553117 Spain 900 983125 Israel 1800 9453794 Sw eden 020 795482 Italy 1678 79489 Switzerland 0800 55 3072 Luxembourg 0800 3625 U K 0800 966197 Latin America Argentina 5411 4510 3200 M exico 01 800 CARE 01 800 2273 Brazil 0800 13 3266 Puerto Rico 800 666 5065 Colombia 571 629 4827 South America 1800 666 5065 Nor
17. GA 3C0M SuperStack 3 Switch 3300 MM User Guide 3C16988A http www 3com com Part No DUA1698 8AAA02 Published August 2000 3Com Corporation 5400 Bayfront Plaza Santa Clara California 95052 8145 Copyright 2000 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 be pro
18. IBILITY OF SUCH DAMAGES AND LIMITS ITS LIABILITY TO REPAIR REPLACEM ENT 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 DISCLAIMER Some countries states or provinces do not allow the exclusion or limitation of implied warranties or the limitation of incidental or consequential damages for certain products supplied to consumers or the limitation 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 limited 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 and by the laws of the United States excluding their conflicts of laws principles The United Nations Convention on Contracts for the International Sale of Goods is hereby excluded in its entirety from application to this Limited Warranty 3Com Corporation 5400 Bayfront Plaza P O Box 58145 Santa Clara CA 95052 8145 408 326 5000 June 23 2000 REGULATORY NOTICES FCC STATEMENT This equipment has been tested and found to comply with the limits for a Class A digital device pursuant to part 15
19. N 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 INFRINGEM ENT ALL OF WHICH ARE EXPRESSLY DISCLAIMED 3COM NEITHER ASSUM ES 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 THE ALLEGED DEFECT OR MALFUNCTION IN THE PRODUCT DOES NOT EXIST OR WAS CAUSED BY CUSTOMER S ORANY THIRD PERSON S MISUSE NEGLECT IMPROPER INSTALLATION OR TESTING UNAUTHORIZED ATTEM PTS TO OPEN REPAIR OR MODIFY THE PRODUCT OR ANY OTHER CAUSE BEYOND THE RANGE OF THE INTENDED USE OR BY ACCIDENT FIRE LIGHTNING POWER CUTS OR OUTAGES OTHER HAZARDS OR ACTS OF GOD LIMITATION OF LIABILITY TO THE FULL EXTENT ALLOWED BY LAW 3COM ALSO EXCLUDES FOR ITSELF AND ITS SUPPLIERS ANY LIABILITY WHETHER BASED IN CONTRACT OR TORT INCLUDING NEGLIGENCE FOR INCIDENTAL CONSEQUENTIAL INDIRECT SPECIAL OR PUNITIVE DAMAGES OF ANY KIND OR FOR LOSS OF REVENUE OR PROFITS LOSS OF BUSINESS LOSS OF INFORMATION OR DATA OR OTHER FINANCIAL LOSS ARISING OUT OFOR IN CONNECTION WITH THE SALE INSTALLATION MAINTENANCE USE PERFORMANCE FAILURE OR INTERRUPTION OF ITS PRODUCTS EVEN IF 3COM OR ITS AUTHORIZED RESELLER HAS BEEN ADVISED OF THE POSS
20. Other If the Switch units are free standing up to four units can be placed one on top of the other If you are mixing a variety of SuperStack 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 gt gt 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 The M atrix Ports on the rear of the Switch allow you to connect a total of four units in the Switch 1100 3300 family together using M atrix Cables You need only one SuperStack 3 Switch 3300 MM per stack The Switches in a stack are numbered 1 to 4 from the bottom up for management purposes The SuperStack 3 Switch 3300 MM will always be identified as Unit 1 and should therefore be positioned at the bottom of the stack You can stack a Switch 3300 MM to any Switch from the 1100 3300 family with a single Matrix Cable To do this 1 Power off both units 2 Arrange the units so the Switch 3300 MM is at the bottom of the stack They can be rack mounted or free standing if you c
21. a SuperStack Advanced Redundant Power System ARPS to the Switch See Connecting a Redundant Power System on page 29 16 CHAPTER 1 INTRODUCING THE SWITCH 3300 MM Console Port Theconsole 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 Matrix Ports The Matrix ports allow you to stack the Switch with up to three other units from the Switch 1100 3300 family using three M atrix Cables For more information about the role of the Matrix ports 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 MM asa The example in Figure 3 shows how a Switch 3300 MM stack can Segmentation Switch segment a network of shared 10Mbps and 100Mbps connections There is 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 Stee 2 LLLI Local server on a shared 100M bps connection Endstations on shared 10Mbps Dual Speed Hub 500 and 100M bps connections 228
22. ance 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 IT supplies If your supplies are of IT type this unit must be powered by 230V 2P T via an isolation transformer ratio 1 1 with the secondary connection point labelled Neutral connected directly to earth ground tImp dance la terre UK only The Switch 3300 MM is covered by Oftel General Approval NS G 12345 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 3C16071B with Type 2A Power Modules and Type 2 cables to the Redundant Power System socket WARNING RJ 45 Ports These are shielded RJ 45 data sockets They cannot be used as telephone sockets Only connect RJ 45 data connector
23. 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 full duplex half duplex hub IEEE 802 1D IETF IPX IP address line speed 51 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 but not at the same time Contrast with full duplex 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
24. as shown and then press Return or Enter Commands appear in bold Example To display port information enter the following command bridge port detail The words enter and type When you see the word enter in this guide you must 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 9 Table 2 Text Conventions continued Convention Description Words in italics Italics are used to a 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 Help menu select Contents Click OK Related Documentation In addition to this guide each Switch 3300 MM document set includes the following Management Guide This guide contains all the management information for the Switch Quick Reference Guide This guide contains a quick summary of the hardware and software information for the Switch Quick Installation Guide This guide contains a summary of the package contents and a quick summary of the installation information for the Switch Release Notes These notes provide information about the current software release including new features
25. ch and how it can be used in your network It covers the following topics About the SuperStack 3 Switch 3300 MM Switch 3300 MM Front View Detail Switch 3300 MM Rear View Detail Network Configuration Examples Configuration Rules for Fast Ethernet Configuration Rules with Full Duplex 12 CHAPTER 1 INTRODUCING THE SWITCH 3300 MM About the SuperStack 3 Switch 3300 MM Summary of Features The SuperStack 3 Switch 3300 MM connects m your existing 10M bps devices m high performance workgroups with a 100M bps backbone or server connection m users to dedicated 100M bps ports in one switch In addition as part of the 3Com SuperStack range of products you can combine it with any SuperStack Il or SuperStack 3 system as your network grows The Switch has the following hardware features 24 Fast Ethernet auto negotiating 10BASE T 100BASE TX ports m Three Matrix Ports to stack the Switch with up to three other units from the Switch 1100 3300 family using three M atrix Cables SuperStack architecture Connects to Redundant Power System Advanced Redundant Power System a 19 inch rack or stand alone mounting For information about the software features of the Switch refer to the SuperStack Switch Management Guide Switch 3300 MM Front View Detail 13 Switch 3300 MM Front View Detail Figure 1 Switch 3300 MM front view
26. connecteurs de donn es RJ 45 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 m Die Installation und der Ausbau des Ger ts darf nur durch Fachpersonal erfolgen m Wenn die Switch 3300 MM Einheit in einer Stapel mit anderen SuperStack Hub Einheiten eingebaut werden soll mu die Switch 3300 MM 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 angeschlossen werden die die europ ischen Sicherheitsnormen erf llt 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 IEC 320 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 Der Betrieb dieses Ger ts erfolgt unter den SELV Bedingungen Sicherheitskleinstspannung gem IEC 950 Diese Bedingungen sind nur gegeben we
27. dicated 10M bps or 100Mbps connections to the desktop The Switch 3300 SM provides a Gigabit Ethernet connection to a SuperStack Switch 9300 in the basement whilst the Switch 3300 TM provides a Gigabit Ethernet connection to a local server Figure 5 Using the Switch in a desktop environment Switch 3300 Local server on a switched 1000M bps connection Endstations on switched 10M bps or 100M bps connections L H Switch 9300 20 CHAPTER 1 INTRODUCING THE SWITCH 3300 MM Configuration Rules for Fast Ethernet MAC MAC The topology rules for 100M bps Fast Ethernet are slightly different to those for 10M bps 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 412m 13521 fiber EN Fast Ethernet Switch 100m 328 UTP 1 Repeater 225m 738ft fiber 2 Repeaters 100m 328ft UTP 100m 328ft UTP MAC MAC Full Duplex 2km 6562ft fiber les m itch Bridge Router or Swi Configuration Rules with Full Duplex 21 The key topology rules are m Maximum UTP cable length is 100m
28. e without advance notice Telephone Technical Support with coverage for basic troubleshooting only will be provided at no additional charge for 12 months from the date of purchase on a commercially reasonable efforts basis Telephone support is provided by 3Com only if Customer purchased this product directly from 3Com or if Customer s reseller is unable to provide telephone support To qualify for this telephone technical support Customer must register on the 3Com Web site at http support 3Com com index htm and state the date of purchase product number and serial number 3Com s response to a request 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 defined as 9 a m to 5 p m local time Monday through Friday excluding local holidays Please refer to the Technical Support appendix in the User Guide for telephone numbers Software Updates All software and firmware upgrades and the latest code for this product downloaded through the 3Com Software Library WARRANTIESEXCLUSIVE IF A 3COM PRODUCT DOES NOT OPERATE AS WARRANTED ABOVE CUSTOMER S SOLE REMEDY FOR BREACH OF THAT WARRANTY SHALL BE REPAIR REPLACEM ENT 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 TERM 5 OR CONDITIONS EXPRESS OR IM PLIED EITHER I
29. e Switch 32 Matrix Cable 16 matrix ports 16 MDI configuration 30 MDIX configuration 13 30 MIBs 46 N network configuration examples 17 network supplier support 46 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 MM 29 product name 15 R 56 INDEX rack mounting a Switch 3300 MM 24 Redundant Power System See RPS returning products for repair 48 RPS 15 connecting 29 socket 15 5 safety information 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 MM 26 standards supported 44 straight through configuration 30 Switch 3300 MM 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 network suppliers 46 product repair 48 topology rules for Fast Ethernet 20 topology rules with full duplex 21
30. e secure w The devices at both ends of the link are powered up connection uses cross over cable if you are linking a 10BASE T or 100BASE TX port with a device that is M DIX only For information about solving problems when managing the Switch refer to the Problem Solving chapter in the SuperStack Switch M anagement Guide 32 CHAPTER 2 INSTALLING THE SWITCH Managing the The Switch contains software that allows you to change and monitorthe Switch way it works This management software is not required to get 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 Switch Management Guide A N 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 MM 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 co
31. g flow control information to forward packets based on their destination address This process is known as filtering A packet sent to all devices on a network 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 traffic 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 100M bps The process of sending a packet toward its destination using a networking device The process of screening a packet for certain characteristics such
32. hoose 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 Im 3 28ft long Connect one end of the Matrix Cable to the Matrix Port ofthetop Switch and the other end to the Matrix Port marked Unit 2 on the Switch 3300 MM See Figure 8 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 Up To Four Units Stacking Units 27 Figure 8 A stack of two units Ces Switch 1100 3300 Switch 3300 MM You can stack an additional three units from the SuperStack 1100 3300 family to the Switch 3300 MM To stack up to four Switch units 1 Power off all the units 2 Arrange the units as required They can be rack mounted 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 25 When positioning the units note that M atrix Cables are 1m 3 28ft long Connect the M atrix Cables as shown in Figure 9 a Connect a Matrix Cable to the port marked Unit 2 on the Switch 3300 MM Connect the other end of this cable to the M atrix Port on the Swi
33. ion for 10M bps Ethernet over Category 3 4 or 5 twisted pair cable The IEEE specification for 100M bps Fast Ethernet over fiber optic cable The IEEE specification for 100M bps Fast Ethernet over Category 5 twisted pair cable The IEEE specification for 1000Mbps Gigabit Ethernet over fiber optic cable The IEEE specification for 1000Mbps Gigabit 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 setup 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 100M bps 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 50 GLOSSARY broadcast broadcast storm collision CSMA CD endstation Ethernet Ethernet address Fast Ethernet forwarding filterin
34. ix 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 a World Wide Web site m 3Com Knowledgebase Web Services m 3Com FTP site 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 3com 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 Download drivers patches software and 185 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
35. ment of a Replacement Prior to 3Com Receiving the Defective Product is provided for five 5 years after which time it may be available for a specified fee but in either case only if Customer provides a purchase order number credit card number or other method of payment acceptable to 3Com to be used if 3Com needs to charge Customer for the replacement as explained below 3Com will make commercially reasonable efforts to ship the replacement product not later than five 5 business days after receiving the request for a replacement but may be delayed due to product availability or export or import procedures The shipment of a replacement product prior to 3Com receiving the defective product is subject to local legal requirements and may not be available in all locations When such a 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 This replacement prior to 3Com receiving the defective product is different from the fee based Advance Hardware Replacement Service which is available as a contracted service offering INCLUDED SERVICES 3Com s Electronic Support Services available at no charge include 3Com Knowledgebase information on known bugs documentation release notes and publicly available software and firmware upgrades 3Com reserves the right to modify or cancel this offering at any tim
36. nn auch die an das Ger t angeschlossenen Ger te unter SELV Bedingungen betrieben werden Nurein Advanced Redundant Power System 3C16071B mit Type 2A Power Modules und Type 2 kabel an den Redundant Power System Anschlu anschlie en WARNHINWEIS 45 Ports RJ 45 Anschlusse Dies sind abgeschirmte RJ 45 Datenbuchsen Sie k nnen nicht als Telefonanschlu buchsen verwendet werden An diesen Buchsen d rfen nur RJ 45 Datenstecker angeschlossen werden Diese Datenstecker k nnen entweder mit abgeschirmten oder unabgeschirmten Datenkabeln mit abgeschirmten oder unabgeschirmten Klinkensteckern verbunden werden PIN OUTS Null Modem Cable 9 pin to RS 232 25 pin Switch 3300 MM PC Terminal Cable connector 9 pin female Cable connector 25 pin male female Screen Shell e 1 Screen onlyrequired if screen TxD 3 3 RxD RxD 2 e TxD always required Ground 5 7 Ground RTS 7 e e 4 RTS e CTS 8 e e 20 DTR DSR 6 e e5 CTS required for handshake DCD 1 e e 6 DSR DTR 4 i 8 _ Serial Cable 9 pin to 9 pin Switch 3300 MM Cable connector 9 pin female PC AT Serial Port Cable connector 9 pin female only required if screen always required required for handshake always required
37. nsignes 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 Hub units the Switch 3300 MM unit must be installed below the Hub units The unit should never be connected to an A C outlet power supply without an earth ground connection 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 cord set must be UL approved and CSA certified Canada The minimum specification for the flexible cord is No 18 AWG Type SV SJ 3 conductor 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 appli
38. ofthe FCC rules These limits are designed to provide reasonable protection against harmful interference when the equipment is operated in 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 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 Movethe 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
39. or damage until the item is delivered to Customer 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 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 prior to 3Com receiving the defective product but only if Customer provides a purchase order number credit card number or other method of payment acceptable to 3Com to be used if 3Com needs to charge Customer for the replacement as explained below 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 The shipment of a replacement product prior to 3Com receiving the defective product is subject to local legal requirements and may not be available in all locations When such a 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 Ship
40. oss over If you want to make a connection to another M DIX port you need a cross over cable M ost 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 MM x 1969606 3com M D a aa MDIX Cross over Cable MDI Straight through Cable E 7 Hub Workstation Pim ee Server Solving Problems Indicated byLEDs 31 Solving Problems If the LEDs on the Switch indicate a problem refer to Table 5 which Indicated by LEDs contains a list of problems and suggested solutions Table 5 Problems indicated by LEDs Problem Suggested Solution Power LED does not Check that the power cable is firmly connected to the light relevant Switch unit and to the supply outlet Ifthe connection is secure and there is still no power you may have a faulty power cord On powering up the The relevant Switch unit has failed its Power On Self Test Pow er Self Test LED POST because of an internal problem Contact your lights yellow and a supplier for advice Unit LED lights green Alinkisconnected and Check that Kee a All connections ar
41. ponents from the Switch 3300 MM or carrying out any maintenance procedures you must read the safety information provided in Appendix A of this guide AVERTISSEM ENT Consignes de s curit Avant d installer ou d enlever tout composant du Switch 3300 MM 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 MM entfernen oder dem Switch 3300 MM 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 four 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 m Cabling is away from Sources of electrical noise such as radios transmitters and broadband amplifiers a Power lines and fluorescent lighting fixtures m
42. 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 CH 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 groupe 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 3C16071B avec Type 2A Power Modules et Type 2 cables sur la prise femelle du Redundant Power System AVERTISSEMENT Les ports RJ 45 s agit de prises femelles blind es de donn es RJ 45 Vous ne pouvez pas les utiliser comme prise de t l phone Branchez uniquement des
43. rives 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 54 GLOSSARY unicast A packet sent to a single endstation on a network WAN Wide Area Network A communications network that covers a wide area A WAN can cover a large geographic area and may contain several LANs within it INDEX Numbers 10BASE T 100BASE TX ports 13 3C number 15 3Com Knowledgebase Web Services 45 3Com URL 45 A auto negotiating ports 13 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 F Fast Ethernet configuration rules 20 full duplex configuration rules 21 G glossary 49 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 managing th
44. s product or from use of the software product not in accordance with 3Com s published specifications or user manual THIS 3COM PRODUCT MAY INCLUDE OR BE BUNDLED WITH 1 THIRD PARTY SOFTWARE OR 2 3COM SOFTWARE THAT IS LICENSED AS IS THE USE OF WHICH IS GOVERNED BY A SEPARATE END USER LICENSE AGREEM ENT THIS 3COM WARRANTY DOES NOT APPLY TO SUCH THIRD PARTY SOFTWARE OR 3COM SOFTWARE LICENSED AS IS FOR THE APPLICABLE WARRANTY PLEASE REFER TO THE END USER LICENSE AGREEM ENT GOVERNING THE USE OF SUCH SOFTWARE OR THE ACCOM PANYING DOCUM ENTATION RELATING TO SUCH SOFTWARE 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 by 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 www 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 within ninety 90 days after purchase of the product from 3Com or i
45. s 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 Securite 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 Hub l unit Switch 3300 MM doit tre install e en dessous des unit s Hub plus troites L unit ne devrait pas etre branchee a une prise de courant C A 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 s curit Cordon lectrique doit tre agr dans le pays d utilisation Etats Unis et Le cordon doit avoir re u l homologation des UL et un Canada certificat de la CSA Le cordon souple doit respecter titre minimum les sp cifications suivantes a calibre 18 AWG 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 NEM A 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
46. tch placed immediately above the Switch 3300 MM b Connect a second Matrix Cable to the port marked Unit 3 on the Switch 3300 MM Connect the other end of this cable to the M atrix Port on the next Switch up c Connecta third Matrix Cable to the port marked Unit 4 on the Switch 3300 MM Connect the other end of this cable to the M atrix Port on the Switch at the top of the stack 28 CHAPTER 2 INSTALLING THE SWITCH 4 If you use the management software of the units m Ensure that all the units have the same version of management software m 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 three units Switches 1100 3300 Switch 3300 MM The Power up Sequence 29 The Power up Sequence Connecting a Redundant Power System Powering up the Switch 3300 MM The following sections describe how to get your Switch 3300 MM powered up and ready for operation You can connect a SuperStack Advanced Redundant Power System part number 3C16071B to the Switch This unit which is also known as an ARPS is designed to maintain the power to your Switch if a power supply failure occurs For normal redundancy the unit requires one Type 2A Power Module For full redundancy the unit requirestwo Type 2A Power Modules combined using a Type 2 Y Cable Check with your supplier that you have
47. th America 1800 NET 3Com 1 800 638 3266 Enterprise Customers 1800 876 3266 48 APPENDIX D TECHNICAL SUPPORT 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 Pacific Rim Brazil Europe South Africa and M iddle East Central and South America 65 543 6500 5511 523 2725 31 30 6029900 525 201 0075 65 543 6348 31 30 6029999 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 Netherlands Norway Poland Portugal South Africa Spain Sweden Switzerland 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 1800 NET 3Com 1 800 638 3266 Enterprise Customers 1 800 876 3266 1 408 326 7120 not toll free 10BASE T 100BASE FX 100BASE TX 1000BASE SX 1000BASE T auto negotiation backbone bandwidth baud bridge GLOSSARY The IEEE specificat
48. the correct Power Modules and cables for your ARPS unit CAUTION The Switch can only use a SuperStack 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 1 Plug the power cord into the power socket at the rear of the Switch 2 Plug the other end of the power cord into your power outlet Checking for Correct Operation 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 All unit 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 MM are configured as Correct Cables M DIX cr
49. tiple 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 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 In this guide the generic term SuperStack refers to any SuperStack Il and SuperStack 3 device SuperStack Il and SuperStack 3 devices can be connected together to form a SuperStack system A device that interconnects several LANs to form a single logical LAN that comprises of several LAN segments Switches are similar to bridges in 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 isto 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 ar
50. ts 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 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 User Service Order USO number or a Return Material Authorization RM A number or a Service Repair Order SRO number whichever was issued 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 Responsibility for loss or damage does not transfer to 3Com until the returned item is received by 3Com The repaired replaced item will be shipped to Customer at 3Com s expense not later than thirty 30 days after 3Com receives the defective product and 3Com will retain risk of loss
51. vided 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 Alltechnical 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 Net Age SmartAgent SuperStack and Transcend are registered trademarks of 3Com Corporation The 3Com logo CoreBuilder and PACE are trademarks of 3Com Corporation Novell and NetWare are registered trademarks of Novell Incorporated Adobe and Acrobat are registered trademarks of Adobe Systems Incorporated All other company and product names may be trademarks of the respective companies with which the
52. 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 be 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 server SLIP SNMP stack STP SuperStack switch Switch Database TCP IP Telnet TFTP 53 A computer in a network that is shared by mul
53. y are associated Environmental Statement It is a 3Com policy to be environmentally 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 Product Registration 10 INTRODUCING THE SWITCH 3300 MM About the SuperStack 3 Switch 3300 MM 12 Summary of Features 12 Switch 3300 MM Front View Detail 13 10BASE T 100BASE TX Ports 13 LEDs 13 Switch 3300 MM Rear View Detail 15 Unit Information Label 15 Power Socket 15 Redundant Power System Socket 15 Console Port 16 Matrix Ports 16 Network Configuration Examples 17 Switch 3300 MM as a Segmentation Switch 17 Switch 3300 MM as Collapsed Backbone Switch 18 Switch 3300 MM 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 MM 29 Checking for Correct Operation 29 Choosing the Correct Cables
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