Pin-Outs | 3Com 3C16987A guide

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 SM					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		41
	PC-AT Serial Cable		41
	Modem Cable	42
	RJ45 Pin Assignments			42

CTECHNICAL S PECIFICATIONS

DTECHNICAL SUPPORT

Online Technical Services		47
World Wide Web Site		47
3Com Knowledgebase Web Services			47
3Com FTP Site	48
Support from Your Network Supplier			48
Support from 3Com	48
Returning Products for Repair 50

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3Com 3C16987A manual Pin-Outs

Contents

SuperStack 3Com Corporation 5400 Bayfront Plaza Santa Clara, California Contents PIN-OUTS Page Page About this Guide Icon Description ConventionsConvention Description Related Documentation Year ComplianceComments Product Introducing the Switch 3300 SM About SuperStack Switch 3300 SM Summary of Features Switch 3300 SM Front View Detail Switch 3300 SM front view Color Indicates Port Status LEDs Power/Self Test LEDUnit LEDs Switch 3300 SM Rear View Detail Power Socket Units on Configuration Switch 3300 SM as aNetwork Examples Switch Using the Switch as a collapsed backbone Using the Switch in a desktop environment 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 mounting Treated as a single manageable unit with one IP address Stacking Units3C16965. Contact your supplier for details You need only one SuperStack 3 Switch 3300 MM per stack Stack of three units Power-up Powered-up and ready for operationSwitch 3300 SM Sequence Choosing Correct CablesPort, you need a cross-overcable. Most of the 10BASE-T Color State Problem Switch Network. For information on managing the Switch usingManaging Guide Safety Information Information Important SafetyPersonnel only Important Safety Information ’information de Sécurité ImportantePersonnel qualifié Étroites ’information de Sécurité Importante Wichtige Sicherheitsinformat ionen Warnhinweis Faseroptikanschlüsse Optische Sicherheit Appendix a Safety Information Null Modem Cable PC-AT Serial CablePin to RS-232 25-pin Pin to 9-pin Connectors Pin Number Signal FunctionModem Cable RJ45 Pin Pin Number Signal Function Appendix B PIN-OUTS Physical Dimensions SafetyPower Supply Environmental Requirements Vlan MIB RFC Services Online Technical Username anonymous Europe, South Africa, and Middle East Country Telephone Number Asia, Pacific Rim Country Telephone Number Fax Number Glossary Broadcast CollisionEndstation Ethernet Line speed See baud Loop MulticastProtocol Repeater Server StackSuperStack Telnet Glossary Index Index 3Com Corporation Limited Warranty Page Disclaimer Regulatory Notices