3Com DUA1698 manual Country Telephone Number Fax Number

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48APPENDIX 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
Brazil	5511 523 2725
Europe, South Africa, and Middle East	+ 31 30 6029900	+ 31 30 6029999
Central and South America	525 201 0075

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 SuperStack 3Com Corporation 5400 Bayfront Plaza Santa Clara, California Contents PIN-OUTS Page Page About this Guide Conventions Icon DescriptionConvention Description Related DocumentationYear ComplianceComments ProductIntroducing the Switch 3300 XM About SuperStack Switch 3300 XM Summary of FeaturesSwitch 3300 XM Front View Detail Switch 3300 XM front viewPower/Self Test LED Color Indicates Port Status LEDsUnit LEDs Switch 3300 XM Rear View Detail Power SocketUnits on Configuration Segmentation SwitchNetwork ExamplesSwitch Using the Switch as a collapsed backboneSwitch Fast Ethernet configuration rules Configuration Rules with Full Duplex Introducing the Switch 3300 XM Installing the Switch Rack-mounting Repeat steps 2 and 3 for the other side of the Switch Stacking Units 3C16965. Contact your supplier for detailsYou need only one SuperStack 3 Switch 3300 MM per stack Stack of three units Power-up Powered-up and ready for operationSwitch 3300 XM SequenceChoosing Correct CablesColor State Problem Switch ManagingSafety Information Important Safety InformationPersonnel only Important Safety Information ’information de Sécurité Importante’information de Sécurité Importante Wichtige Sicherheitsinformat ionen PIN-OUTS PC-AT Serial CablePin Number Signal Function Modem CableRJ45 Pin AssignmentsPin Number Signal Function Appendix B PIN-OUTS Physical Dimensions SafetyPower Supply Environmental RequirementsVlan MIB RFC Services Online TechnicalUsername anonymous Europe, South Africa, and Middle East Country Telephone Number Asia, Pacific RimCountry Telephone Number Fax Number Glossary Bridge BroadcastCollision EndstationPage Line speed LoopMulticast ProtocolServer StackSuperStack TelnetGlossary Index Index 3Com Corporation Limited Warranty Page Disclaimer Regulatory Notices