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D

T

ECHNICAL

 S

UPPORT

3Com provides easy access to technical support information through a 
variety of services. This appendix describes these services.

Information contained in this appendix is correct at time of publication. For 
the most recent information, 3Com recommends that you access the 
3Com Corporation World Wide Web site.

Online Technical 
Services

3Com offers worldwide product support 24 hours a day, 7 days a week, 
through the following online systems:

■

World Wide Web site

■

3Com Knowledgebase Web Services

■

3Com FTP site

World Wide Web 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.

3Com

Knowledgebase Web

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.

3Com FTP Site

Download drivers, patches, software, and MIBs across the Internet from the 
3Com public FTP site. This service is available 24 hours a day, 7 days a week.

Содержание 3C16981A-US - Superstack 3 Switch 3300...

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 i...

Страница 3: ...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...

Страница 4: ...by LEDs 31 Managing the Switch 32 A SAFETY INFORMATION Important Safety Information 34 L information de S curit Importante 36 Wichtige Sicherheitsinformationen 38 B PIN OUTS Null Modem Cable 39 PC AT...

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

Страница 6: ...vi...

Страница 7: ...asic 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...

Страница 8: ...ate 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...

Страница 9: ...se 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 provid...

Страница 10: ...om 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 com...

Страница 11: ...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 Ex...

Страница 12: ...ows 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...

Страница 13: ...ct 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 ov...

Страница 14: ...dule 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 v...

Страница 15: ...ress 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 t...

Страница 16: ...es 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 o...

Страница 17: ...our 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 o...

Страница 18: ...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 Swi...

Страница 19: ...n 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 Gigabi...

Страница 20: ...thernet 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 s...

Страница 21: ...38ft 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...

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

Страница 23: ...h 3300 or carrying out any maintenance procedures you must read the safety information provided in Appendix A of this guide AVERTISSEMENT Consignes de s curit Avant d installer ou d enlever tout compo...

Страница 24: ...l 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 S...

Страница 25: ...hat 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 yo...

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 c...

Страница 27: ...he 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 W...

Страница 28: ...e 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...

Страница 29: ...ant 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 ma...

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...

Страница 31: ...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 S...

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 i...

Страница 33: ...ove 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 vou...

Страница 34: ...et 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 L...

Страница 35: ...00003 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 conne...

Страница 36: ...ecter 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...

Страница 37: ...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 Sy...

Страница 38: ...n Ger teeingang gem EN60320 IEC320 haben 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...

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: ...ments 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 Receiv...

Страница 41: ...orts 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 Pi...

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 compl...

Страница 44: ...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 200...

Страница 45: ...tion 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...

Страница 46: ...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 num...

Страница 47: ...590 800 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...

Страница 48: ...t 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 F...

Страница 49: ...imary 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 bandwidt...

Страница 50: ...ation 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...

Страница 51: ...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 addres...

Страница 52: ...OST 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 sequencin...

Страница 53: ...veloped 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 travel...

Страница 54: ...54 GLOSSARY...

Страница 55: ...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 ma...

Страница 56: ...gh 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...

Страница 57: ...m 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...

Страница 58: ...t 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...

Страница 59: ...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 warra...

Страница 60: ...ient 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 o...

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