3Com 3C16987 Europe, South Africa, and Middle East, Country Telephone Number Asia, Pacific Rim

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Support from 3Com 49

When you contact 3Com 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

Here is a list of worldwide technical telephone support numbers:

Country	Telephone Number		Country	Telephone Number

Asia, Pacific Rim
Australia	1 800 678 515		P.R. of China	10800 61 00137 or
Hong Kong	800 933 486		Singapore	021 6350 1590
India	+61	2 9937 5085	Singapore	800 6161 463
Indonesia	001 800 61 009		S. Korea
Japan	0031 61 6439		From anywhere in S. Korea:	00798 611 2230
Malaysia	1800 801 777		From Seoul:	(0)2 3455 6455
New Zealand	0800 446 398		Taiwan, R.O.C.	0080 611 261
Pakistan	+61	2 9937 5085	Thailand	001 800 611 2000
Philippines	1235 61 266 2602

Europe
From anywhere in Europe, call: +31		(0)30 6029900 phone
	+31	(0)30 6029999 fax

Europe, South Africa, and Middle East

From the following countries, you may use the toll-free numbers:

Austria	0800 297468	Netherlands	0800 0227788
Belgium	0800 71429	Norway	800 11376
Denmark	800 17309	Poland	00800 3111206
Finland	0800 113153	Portugal	0800 831416
France	0800 917959	South Africa	0800 995014
Germany	0800 1821502	Spain	900 983125
Hungary	00800 12813	Sweden	020 795482
Ireland	1800 553117	Switzerland	0800 55 3072
Israel	1800 9453794	U.K.	0800 966197
Italy	1678 79489

Latin America	AT&T +800 666 5065	Mexico	01 800 CARE (01 800 2273)
Argentina	AT&T +800 666 5065	Mexico	01 800 CARE (01 800 2273)
Brazil	0800 13 3266	Peru	AT&T +800 666 5065
Chile	1230 020 0645	Puerto Rico	800 666 5065
Colombia	98012 2127	Venezuela	AT&T +800 666 5065

North America	1 800 NET 3Com
	(1 800 638 3266)

Enterprise Customers: 1 800 876-3266

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Contents User Guide 3Com Corporation 5400 Bayfront Plaza Santa Clara, California Contents PIN-OUTS Support from 3Com Returning Products for Repair Page About this Guide Icon Description ConventionsConvention Description Documentation RelatedCompliance YearComments ProductIntroducing the Switch 3300 SM Summary of Features About SuperStack Switch 3300 SM10BASE-T / 100BASE-TX Ports Switch 3300 SM Front View DetailColor Indicates Port Status LEDs Power/Self Test LEDUnit LEDs Power Socket Switch 3300 SM Rear View DetailUnits on Switch 3300 SM as a ConfigurationNetwork ExamplesUsing the Switch as a collapsed backbone SwitchSwitch Fast Ethernet configuration rules Configuration Rules with Full Duplex Configuration Rules for Gigabit Ethernet Installing the Switch Rack-mounting Fitting a bracket for rack mounting Repeat steps 2 and 3 for the other side of the SwitchTreated as a single manageable unit with one IP address Stacking Units3C16965. Contact your supplier for details You need only one SuperStack II Switch 3300 MM per stack Stack of three units Powered-up and ready for operation Power-upSwitch 3300 SM SequenceCorrect Cables ChoosingPort, you need a cross-overcable. Most of the 10BASE-T Color StateProblem Network. For information on managing the Switch using SwitchManaging GuideSafety Information Information Important SafetyPersonnel only Important Safety Information Sécurité Importante ’information dePersonnel qualifié Plus étroites’information de Sécurité Importante Wichtige Sicherheitsinformat ionen Warnhinweis Faseroptikanschlüsse Optische Sicherheit Appendix a Safety Information Null Modem Cable PIN-OUTSPC-AT Serial Cable Pin to RS-232 25-pinPin Number Signal Function ConnectorsModem Cable RJ45 PinPin Number Signal Function Appendix B PIN-OUTS Technical Specifications Vlan MIB RFC Services ServicesTechnical Support Online Technical408 727 Username anonymousCountry Telephone Number Asia, Pacific Rim Europe, South Africa, and Middle EastCountry Telephone Number Fax Number Glossary Collision BroadcastEndstation EthernetLine speed See baud Multicast LoopProtocol RepeaterSTP See Spanning Tree Protocol STP Glossary Index Index 3Com Corporation Limited Warranty Included Services Limitation of Liability EMC Statements