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LOSSARY

10BASE-T

The IEEE specification for 10Mbps Ethernet over Category 3, 4 or 5 
twisted pair cable.

100BASE-FX

The IEEE specification for 100Mbps Fast Ethernet over fiber-optic cable.

100BASE-TX

The IEEE specification for 100Mbps Fast Ethernet over Category 5 
twisted-pair cable. 

auto-negotiation

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.

backbone

The part of a network used as a primary path for transporting traffic 
between network segments.

bandwidth

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.

baud

The signalling rate of a line, that is, the number of transitions (voltage 
or frequency changes) made per second. Also known as 

line speed

.

bridge

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.

broadcast

A packet sent to all devices on a network.

Содержание 3C16980A - SuperStack II 3300 Switch

Страница 1: ...http www 3com com Part No DUA1698 0AAA06 Published September 2000 Superstack 3 Switch 3300 User Guide 3C16980A 3C16981A ...

Страница 2: ... 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 SuperStack and Transcend are registered trademarks of 3Com Corporation The 3Com logo and CoreBuilder are trademarks of 3Co...

Страница 3: ...s 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...

Страница 4: ...by LEDs 31 Managing the Switch 32 A SAFETY INFORMATION Important Safety Information 34 L information de Sécurité Importante 36 Wichtige Sicherheitsinformationen 38 B PIN OUTS Null Modem Cable 39 PC AT Serial Cable 39 Modem Cable 40 RJ45 Pin Assignments 40 C TECHNICAL SPECIFICATIONS D TECHNICAL SUPPORT Online Technical Services 45 World Wide Web Site 45 3Com Knowledgebase Web Services 45 3Com FTP S...

Страница 5: ...v GLOSSARY INDEX 3COM CORPORATION LIMITED WARRANTY EMC STATEMENTS ...

Страница 6: ...vi ...

Страница 7: ...basic working knowledge of LANs Local Area Networks This guide is intended for use with both Switch 3300 models 3C16980A 24 10BASE T 100BASE TX ports 3C16981A 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 product differs f...

Страница 8: ...uate 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 port In this example you must supply a password for password 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 disp...

Страница 9: ...ase Notes Part Number DNA1695 0AAA0x These notes provide information about the current software release including new features modifications and known problems SuperStack 3 Switch Help This help provides information about the web interface software of the Switch It is supplied on the SuperStack 3 Switch CD ROM SuperStack 3 Switch README File This file provides information about the current softwar...

Страница 10: ...Com 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 Document title Document part number on the title page Page number if approp...

Страница 11: ...t the Switch and how it can be used in your network It covers the following topics About the SuperStack 3 Switch 3300 Switch 3300 Front View Detail Switch 3300 Rear View Detail Network Configuration Examples Configuration Rules for Fast Ethernet Configuration Rules with Full Duplex ...

Страница 12: ...rows Summary of Features The Switch has the following hardware features 12 or 24 Fast Ethernet auto negotiating 10BASE T 100BASE TX ports 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 Slot for an Expansion Module SuperStack 3 architectu...

Страница 13: ...ect 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 t...

Страница 14: ...odule Port Status LEDs Packet Yellow Packets are being transmitted received on the Expansion Module port s Off No packets are being transmitted received 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 un...

Страница 15: ...dress of the Switch 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 System Socket To protect against internal power supply failure you can use this socket to connect a SuperStack 3 Advanced Redundant Power System RPS to the Switch...

Страница 16: ...des 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 Matrix Port The matrix port allows you to Stack the Switch with another unit in the Switch 1100 3300 ...

Страница 17: ...your network Switch 3300 as a Segmentation Switch The example in Figure 3 shows how a Switch 3300 stack can segment a 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 ...

Страница 18: ...E SWITCH 3300 Switch 3300 as a Collapsed Backbone Switch The example in Figure 4 shows how a Switch 3300 stack can act as a backbone for both shared and switched network segments Figure 4 Using the Switch as a collapsed backbone ...

Страница 19: ...an be used for a group of users that require dedicated 10Mbps or 100Mbps connections to the desktop The Switch 3300 stack has a SuperStack 3 Switch 1000BASE SX Module that allows it to provide a Gigabit Ethernet link to a SuperStack 3 Switch 9000 SX in the basement Figure 5 Using the Switch in a desktop environment ...

Страница 20: ...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 ...

Страница 21: ...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 including 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 ...

Страница 22: ...22 CHAPTER 1 INTRODUCING THE SWITCH 3300 ...

Страница 23: ... 3300 or carrying out any maintenance procedures you must read the safety information provided in Appendix A of this guide AVERTISSEMENT Consignes de sécurité Avant d installer ou d enlever tout composant du Switch 3300 ou d entamer une procédure de maintenance lisez les informations relatives à la sécurité qui se trouvent dans l Appendice A de ce guide WARNHINWEIS Sicherheitsinformationen Bevor S...

Страница 24: ...al noise such as radios transmitters and broadband amplifiers Power lines and fluorescent lighting fixtures Water or moisture cannot enter the case of the Switch 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 fre...

Страница 25: ...that ventilation holes are not obstructed 6 Connect network cabling Placing Units On Top of Each 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 3 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 rubb...

Страница 26: ... Cables Stacking Two Units You can stack two Switch units with a single Matrix Cable To do this 1 Power off both 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 lon...

Страница 27: ...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 Connect the Matrix Cables as shown in Figure 9 a Connect a Matrix Cable to the po...

Страница 28: ...he units Ensure that all the units have the same version of management software 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 ...

Страница 29: ...dant Power System output Powering up the Switch 3300 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 The Switc...

Страница 30: ... 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 Table 4 LED colors Color State Green The Switch is powered up and operating normally Yell...

Страница 31: ...s Power On Self Test POST because of an internal problem Contact your supplier for advice An Expansion Module Status LED flashes yellow 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 A link is connected...

Страница 32: ... 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 Switch Management Guide part number DUA1695 0BAA0x ...

Страница 33: ...ove the unit AVERTISSEMENT Les avertissements présentent des consignes que vous devez respecter pour garantir votre sécurité personnelle Vous devez respecter attentivement toutes les consignes Nous vous demandons de lire attentivement les consignes suivantes de sécurité avant d installer ou de retirer l appareil WARNHINWEIS Warnhinweise enthalten Anweisungen die Sie zu Ihrer eigenen Sicherheit bef...

Страница 34: ...let 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 compl...

Страница 35: ... 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 RJ45 Ports These are shielded RJ45 data sockets They cannot b...

Страница 36: ... respecter une configuration qui permet un branchement sur une entrée d appareil EN60320 CEI 320 La prise secteur doit se trouver à proximité de l appareil et son accès doit être facile Vous ne pouvez mettre l appareil hors circuit qu en débranchant son cordon électrique au niveau de cette prise Etats Unis et Canada Le cordon doit avoir reçu l homologation des UL et un certificat de la CSA Le cord...

Страница 37: ...is d un transformateur d isolement à rapport 1 1 avec un point secondaire de connexion portant l appellation Neutre et avec raccordement direct à la terre masse Branchez uniquement un Advanced Redundant Power System 3C16071B avec Type 2A Power Modules et Type 2 câbles sur la prise femelle du Redundant Power System AVERTISSEMENT Les ports RJ45 Il s agit de prises femelles blindées de données RJ45 V...

Страница 38: ...en Geräteeingang gemäß EN60320 IEC320 haben Die Netzsteckdose muß in der Nähe des Geräts und leicht zugänglich sein Die Stromversorgung des Geräts kann nur durch Herausziehen des Gerätenetzkabels aus der Netzsteckdose unterbrochen werden Der Betrieb dieses Geräts erfolgt unter den SELV Bedingungen Sicherheitskleinstspannung gemäß IEC 950 Diese Bedingungen sind nur gegeben wenn auch die an das Gerä...

Страница 39: ...B PIN OUTS Null Modem Cable 9 pin to RS 232 25 pin PC AT Serial Cable 9 pin to 9 pin ...

Страница 40: ...nments are identical for 10BASE T and 100BASE TX RJ45 connectors Table 6 Pin assignments Pin Number Signal Function Ports configured as MDI 1 TxData Transmit data 2 TxData Transmit data 3 RxData Receive Data 4 Not assigned 5 Not assigned 6 RxData Receive data 7 Not assigned 8 Not assigned ...

Страница 41: ...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 Table 6 Pin assignments Pin Number Signal Function ...

Страница 42: ...42 APPENDIX B PIN OUTS ...

Страница 43: ... 2 No 950 IEC 950 EMC Emissions EN55022 Class B FCC Part 15 subpart B 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 Immunity...

Страница 44: ...6 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 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 ...

Страница 45: ...ation 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 3Com Knowledgebase Web Services This interactive tool contains technical product information compiled by 3...

Страница 46: ...n hardware maintenance application training and support services When you contact your network supplier for assistance have the following information ready Product model name part number and serial number A list of system hardware and software including revision levels Diagnostic error messages Details about recent configuration changes if applicable If you are unable to contact your network suppl...

Страница 47: ...1590 800 6161 463 82 2 3455 6455 00798 611 2230 00798 611 2230 0080 611 261 001 800 611 2000 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 Belgium Denmark Finland France Germany Hungary Ireland Israel Italy Luxembourg 0800 297468 0800 71429 800 17309 0800 11315...

Страница 48: ...st 31 30 6029900 31 30 6029999 Central and South America 521 201 0075 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 0800 297468 0800 71429 800 17309 0800 113153 0800 917959 0800 1821502 00800 128...

Страница 49: ...rimary path for transporting traffic between network segments bandwidth 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 baud The signalling rate of a line that is the number of transitions voltage or frequency changes made per second Also known as line speed bridge A device that interconn...

Страница 50: ...cation 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 Ethernet address See MAC address Fast Ethernet An Ethernet system that is designed to operate at 100Mbps forwarding The process of sending a packet toward its destination using a networking device filtering The process of screening...

Страница 51: ...t of protocols that describe the routing of packets to addressed devices IPX Internetwork Packet Exchange IPX is a layer 3 and 4 network protocol designed for networks that use Novell Netware IP address 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 sec...

Страница 52: ...POST Power On Self Test An internal test that a Switch carries out when it is powered up protocol A set of rules for communication between devices on a network The rules dictate format timing sequencing and error control repeater 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 t...

Страница 53: ...eveloped 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 a...

Страница 54: ...54 GLOSSARY ...

Страница 55: ...n rules 20 full duplex configuration rules 21 G glossary 49 H hardware features 12 I 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 the Switch 32 Matrix Cable 16 Matrix Module 16 Matrix Module slot 16 matrix port 16 MDI configuration 30 MDIX configuration 13 30 MIBs 46 N network configuration example...

Страница 56: ...ugh 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 serial number 15 size 43 stacking 26 standards supported 44 unit information label 15 weight 43 system specifications 43 T technical suppo...

Страница 57: ...om 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 THIS 3COM PRODUCT MAY INCLUDE OR BE BUNDLED WITH 1 THIRD PARTY SOFTWAR...

Страница 58: ...ct 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 firmwa...

Страница 59: ...s 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 o...

Страница 60: ...rient the receiving antenna Relocate the equipment with respect to the receiver Move the equipment away from the receiver 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 b...

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