Juniper EX Series Complete Hardware Guide

Chapter 6 Contacting Customer Support and Returning Hardware 117
Returning an EX-series Switch or Component for Repair or Replacement ....117
Locating an EX-series Switch or Switch Component Serial Number .............117
Listing the Switch and Switch Components Details with the CLI ...........118
Locating EX 3200 and EX 4200 Chassis Serial Number Labels ..............118
Locating Switch FRU Component Serial Numbers .................................119
Contacting Customer Support to Obtain Return Materials Authorization .....119
Packing an EX-series Switch or Component for Shipping ............................120
Packing an EX-series Switch for Shipping .............................................121
Packing EX-series Switch Components for Shipping .............................122
Part 4 Safety and Regulatory Compliance Information
Chapter 7 Safety and Regulatory Compliance Information 125
Compliance .................................................................................................125
Agency Approvals .................................................................................125
Compliance Statements for EMC Requirements ....................................126
Compliance Statements for Acoustic Noise ...........................................128
Safety Information ......................................................................................128
General Warnings .................................................................................128
Definitions of Safety Warning Levels ..............................................128
General Safety Guidelines and Warnings ........................................130
Maintenance and Operational Safety Guidelines and Warnings ......131
Preventing Electrostatic Discharge Damage ...................................138
Telecommunication Line Cord Warning .........................................140
Qualified Personnel Warning ..........................................................140
Radiation and Laser Warnings ..............................................................141
Radiation from Open Port Apertures Warning ................................141
Laser and LED Safety Guidelines and Warnings ..............................143
Installation Warnings ............................................................................146
Installation Instructions Warning ....................................................146
Chassis Lifting Guidelines ...............................................................147
Rack-Mounting Requirements and Warnings ..................................147
Wall-Mounting Requirements and Warnings ..................................151
Ramp Warning ...............................................................................152
Power and Electrical Warnings .............................................................152
General Electrical Safety Guidelines ................................................153
AC Power Electrical Safety Guidelines ............................................154
In Case of Electrical Accident .........................................................155
Power Disconnection Warning .......................................................156
Multiple Power Supplies Disconnection Warning ............................156
DC Power Electrical Safety Guidelines for EX 3200 and EX 4200
Switches ..................................................................................157
DC Power Grounding Requirements and Warning for EX 3200 and
EX 4200 Switches ....................................................................158
x ■ Table of Contents
Complete Hardware Guide for EX 3200 and EX 4200 Switches

Juniper EX Series Specifications

General

Series	EX Series
Category	Switch
Layer	Layer 2/3
Operating System	Junos OS
Managed	Yes
ACLs	Yes
Port Density	Varies by model
Power over Ethernet (PoE)	Available on some models
Virtual Chassis	Supported on some models
Form Factor	Fixed configuration, Modular
Switching Capacity	Varies by model
Forwarding Rate	Varies by model
Power Supply	Varies by model (AC or DC, redundant options available)
Management	CLI, Web UI, SNMP
Redundancy	Power supply, fan, Virtual Chassis
Latency	Varies by model
Jumbo Frames	Supported
VLAN Support	Yes
MAC Address Table Size	Varies by model
QoS	Yes
Energy Efficiency	EEE (802.3az)
Dimensions	Varies by model
Weight	Varies by model
Operating Temperature	0° to 45° C
Storage Temperature	-40° to 70° C
Humidity	5% to 90% non-condensing
MTBF	Varies by model
Warranty	Limited Lifetime