3Com 3C16987 manual Country Telephone Number Fax Number

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50APPENDIX D: TECHNICAL SUPPORT

Returning Products Before you send a product directly to 3Com for repair, you must first

for Repairobtain 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	+ 65 543 6500	+ 65 543 6348
Europe, South Africa, and	+ 31 30 6029900	+ 31 30 6029999
Middle East
Latin America	1 408 326 2927	1 408 326 3355

From the following countries, you may call the toll-free numbers; select option 2 and then option 2:

Austria	0800 297468
Belgium	0800 71429
Denmark	800 17309
Finland	0800 113153
France	0800 917959
Germany	0800 1821502
Hungary	00800 12813
Ireland	1800553117
Israel	1800 9453794
Italy	1678 79489
Netherlands	0800 0227788
Norway	800 11376
Poland	00800 3111206
Portugal	0800 831416
South Africa	0800 995014
Spain	900 983125
Sweden	020 795482
Switzerland	0800 55 3072
U.K.	0800 966197
U.S.A. and Canada	1 800 NET 3Com	1 408 326 7120
	(1 800 638 3266)	(not toll-free)

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 Convention Description ConventionsIcon Description Related DocumentationComments YearCompliance ProductIntroducing the Switch 3300 SM About SuperStack Switch 3300 SM Summary of FeaturesSwitch 3300 SM Front View Detail 10BASE-T / 100BASE-TX PortsUnit LEDs Power/Self Test LEDColor Indicates Port Status LEDs Switch 3300 SM Rear View Detail Power SocketUnits on Network ConfigurationSwitch 3300 SM as a ExamplesSwitch Using the Switch as a collapsed backboneSwitch Fast Ethernet configuration rules Configuration Rules with Full Duplex Configuration Rules for Gigabit Ethernet Installing the Switch Rack-mounting Repeat steps 2 and 3 for the other side of the Switch Fitting a bracket for rack mounting3C16965. Contact your supplier for details Stacking UnitsTreated as a single manageable unit with one IP address You need only one SuperStack II Switch 3300 MM per stack Stack of three units Switch 3300 SM Power-upPowered-up and ready for operation SequencePort, you need a cross-overcable. Most of the 10BASE-T ChoosingCorrect Cables Color StateProblem Managing SwitchNetwork. For information on managing the Switch using GuideSafety Information Personnel only Important SafetyInformation Important Safety Information Personnel qualifié ’information deSécurité Importante Plus étroites’information de Sécurité Importante Wichtige Sicherheitsinformat ionen Warnhinweis Faseroptikanschlüsse Optische Sicherheit Appendix a Safety Information PC-AT Serial Cable PIN-OUTSNull Modem Cable Pin to RS-232 25-pinModem Cable ConnectorsPin Number Signal Function RJ45 PinPin Number Signal Function Appendix B PIN-OUTS Technical Specifications Vlan MIB RFC Technical Support ServicesServices Online TechnicalUsername anonymous 408 727Europe, South Africa, and Middle East Country Telephone Number Asia, Pacific RimCountry Telephone Number Fax Number Glossary Endstation BroadcastCollision EthernetLine speed See baud Protocol LoopMulticast RepeaterSTP See Spanning Tree Protocol STP Glossary Index Index 3Com Corporation Limited Warranty Included Services Limitation of Liability EMC Statements