3Com DUA1698 manual Pin-Outs

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2INSTALLING THE SWITCH

	Choosing a Suitable Site			24
	Rack-mounting	24
	Placing Units On Top of Each Other					25
	Stacking Units	26
	Stacking Two Units			26
	Stacking Up To Four Units				27
	The Power-up Sequence			29
	Connecting a Redundant Power System 29
	Powering-up the Switch 3300 XM					29
	Checking for Correct Operation					29
	Choosing the Correct Cables				30
	Solving Problems Indicated by LEDs					31
	Managing the Switch			32
A
A	SAFETY I NFORMATION
	Important Safety Information				34
	L’information de Sécurité Importante					36
	Wichtige Sicherheitsinformationen 38
B
B	PIN-OUTS
	Null Modem Cable		39
	PC-AT Serial Cable		39
	Modem Cable	40
	RJ45 Pin Assignments			40

CTECHNICAL S PECIFICATIONS

DTECHNICAL SUPPORT

Online Technical Services		45
World Wide Web Site		45
3Com Knowledgebase Web Services			45
3Com FTP Site	46
Support from Your Network Supplier			46
Support from 3Com	46
Returning Products for Repair 48

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Contents SuperStack 3Com Corporation 5400 Bayfront Plaza Santa Clara, California Contents PIN-OUTS Page Page About this Guide Icon Description ConventionsConvention 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 viewColor Indicates Port Status LEDs Power/Self Test LEDUnit 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 SequenceCorrect Cables ChoosingColor State Problem Switch ManagingSafety Information Information Important SafetyPersonnel 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