3Com 3C16988A, 3C16987A, 3C16986A, 3C16985B manual Pin-Outs

2INSTALLING THE SWITCH

	Choosing a Suitable Site			26
	Rack-mounting	27
	Placing Units On Top of Each Other					28
	Stacking Units	29
	Stacking Two Units			29
	Stacking Up To Four Units				30
	The Power-up Sequence			32
	Connecting a Redundant Power System 32
	Powering-up the Switch				32
	Checking for Correct Operation					32
	Choosing the Correct Cables				33
	Solving Problems Indicated by LEDs					34
	Managing the Switch			34
A
	SAFETY INFORMATION
	Important Safety Information				36
	L’information de Sécurité Importante					38
	Wichtige Sicherheitsinformationen					40
B
	PIN-OUTS
	Null Modem Cable		43
	PC-AT Serial Cable		43
	Modem Cable	44
	RJ45 Pin Assignments			44

CTECHNICAL SPECIFICATIONS

	Switch 3300	XM, SM and MM 47
	Switch 3300	TM	48
D TECHNICAL SUPPORT
	Online Technical Services			51
	World Wide Web Site			51
	3Com Knowledgebase Web Services 51
	3Com FTP Site		52