Cisco Systems 4948E-F manual N T E N T S

C O N T E N T S

		Preface ix
		Audience	i-ix
		Organization		i-ix
		Related Documentation				i-x
		Command Syntax Conventions					i-x
		Statement 1071—Warning Definition						i-xi
		Obtaining Documentation and Submitting a Service Request i-xvi
		Product Overview
C H A P T E R	1			1-1
		Features	1-3
		Physical and Environmental Specifications						1-7
		Fan Tray	1-8
		Catalyst 4948E Fan Tray (WS-X4993=)						1-8
		Catalyst 4948E-F Fan Tray (WS-X4993-F=)							1-9
		Front Panel LEDs			1-11
		Preparing for Installation
C H A P T E R	2					2-1
		Safety	2-1
		Site Requirements			2-2
		Rack-Mounting Guidelines					2-2
		Temperature			2-3
		Air Flow		2-4
		Humidity		2-5
		Altitude		2-5
		Dust and Particulates				2-5
		Corrosion		2-6
		Electromagnetic and Radio Frequency Interference 2-6
		Shock and Vibration				2-7
		Power Source Interruptions 2-7
		System Grounding			2-7
		Maintaining Safety with Electricity						2-9
		Preventing Electrostatic Discharge Damage							2-10

Power Requirements	2-11
	Catalyst 4948E and Catalyst 4948E-F Switch Installation Guide
OL-21561-02		iii