Juniper Networks EX8208 Part Planning for Switch Installation, Chapter Component Specifications

Complete Hardware Guide for EX8208 Ethernet Switches

	8-port SFP+ Line Card in an EX8200 Switch	. 30
	40-port SFP+ Line Card in an EX8200 Switch	. 31
	48-port SFP Line Card in an EX8200 Switch	. 33
	48-portRJ-45 Line Card in an EX8200 Switch	. 34
	Line Card LEDs in an EX8200 Switch	. 35
	Network Port LEDs in an EX8200 Switch	. 37
	AC Power Supply in an EX8200 Switch	40
	AC Power Supply Description	40
	N+1 Redundancy Configuration of AC Power Supplies	. 42
	N+N Redundancy Configuration of AC Power Supplies	. 43
	AC Power Supply LEDs in an EX8200 Switch	. 46
	DC Power Supply in an EX8200 Switch	. 48
	DC Power Supply LEDs in an EX8200 Switch	. 50
	Cooling System and Airflow in an EX8208 Switch	. 53
	Backplane in an EX8208 Switch	. 55
Chapter 3	Component Specifications	. 57
	USB Port Specifications for an EX Series Switch	. 57
	Console Port Connector Pinout Information for an EX Series Switch	. 58
	Management Port Connector Pinout Information for an EX8200 Switch	. 59
	Optical Interface Support in EX8200 Switches	60
	SFP+ Direct Attach Cables for EX Series Switches	. 83
	Cable Specifications	. 84
	Standards Supported by These Cables	. 87
	Grounding Cable and Lug Specifications for EX8200 Switches	. 87
Part 2	Planning for Switch Installation
Chapter 4	Site Preparation	. 91
	Site Preparation Checklist for an EX8200 Switch	. 91
	General Site Guidelines for EX Series Switches	. 93
	Site Electrical Wiring Guidelines for EX Series Switches	. 94
	Environmental Requirements and Specifications for EX Series Switches	. 95
Chapter 5	Rack and Cabinet Requirements	. 97
	Rack Requirements for an EX8208 Switch	. 97
	Cabinet Requirements and Specifications for an EX8208 Switch	100
	Clearance Requirements for Airflow and Hardware Maintenance for an EX8208
	Switch	101
Chapter 6	Cable Requirements	105
	Cables Connecting the EX8200 Switch to Management Devices	105
	Understanding EX8200 Switch Fiber-Optic Cable Signal Loss, Attenuation, and
	Dispersion	106
	Signal Loss in Multimode and Single-ModeFiber-Optic Cable	106
	Attenuation and Dispersion in Fiber-Optic Cable	106
Chapter 7	Planning Power Requirements	109
	AC Power Specifications for EX8200 Switches	109
	DC Power Specifications for EX8200 Switches	110
	Power Requirements for EX8208 Switch Components	. 111

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