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About This Guide • How to Use This Guide on page xiii • Downloading Software on page xiv • Documentation Symbols Key on page xiv • Repair and Warranty on page xv • Requesting Technical Support on page xvi How to Use This Guide This guide, the Dell PowerConnect J-Series J-EX4500 Ethernet Switch Hardware Guide, covers Dell PowerConnect J-Series J-EX4500 Ethernet switches. To download the Dell PowerConnect J-EX Series documentation listed in Table 1 on page xiii, see the following Dell support website: http://www.support.dell.com/manuals Table 1: List of J-EX Series Guides Title Description Dell PowerConnect J-Series J-EX4500 Ethernet Switch Component descriptions, site preparation, installation, replacement, Hardware Guide and safety and compliance information for J-EX4500 switches Dell PowerConnect J-Series J-EX4200 Ethernet Switch Component descriptions, site preparation, installation, replacement, Hardware Guide and safety and compliance information for J-EX4200 switches Dell PowerConnect J-Series J-EX8208 Ethernet Switch Component descriptions, site preparation, installation, replacement, Hardware Guide and safety and compliance information for J-EX8208 switches Dell PowerConnect J-Series J-EX8216 Ethernet Switch Component descriptions, site preparation, installation, replacement, Hardware Guide and safety and compliance information for J-EX8216 switches Dell PowerConnect J-Series Ethernet Switch Complete Software feature descriptions, configuration examples, and tasks for Software Guide for Junos OS the Junos Operating System (Junos OS) for J-EX Series switches To download additional Junos OS documentation for J-EX Series and all other PowerConnect J-Series products, see the following Juniper Networks support website: http://www.juniper.net/support/partners/dell. xiii

Section	Page
Table of Contents	7
About This Guide	13
How to Use This Guide	13
Downloading Software	14
Documentation Symbols Key	14
Repair and Warranty	15
Requesting Technical Support	16
Part 1: Switch and Components Overview and Specifications	17
Chapter 1: Dell PowerConnect J-Series J-EX4500 Switch Overview	19
J-EX4500 Switches Hardware Overview	19
J-EX4500 Switches	20
Virtual Chassis Module	21
Uplink Modules	21
Power Supplies	21
J-EX4500 Switch Models	22
Identifying J-EX4500 Switch Models	23
Chassis Physical Specifications for J-EX4500 Switches	23
Front Panel of a J-EX4500 Switch	24
Rear Panel of a J-EX4500 Switch	25
J-EX4500 Switch Hardware and CLI Terminology Equivalents	26
Chapter 2: Component Descriptions	29
LCD Panel in J-EX4500 Switches	29
LCD Panel Modes	30
LCD Panel Menus	30
Chassis Status LEDs in J-EX4500 Switches	33
Field-Replaceable Units in J-EX4500 Switches	34
Network Port and Uplink Module Port LEDs in J-EX4500 Switches	34
Management Port LEDs in J-EX4500 Switches	36
AC Power Supply in J-EX4500 Switches	37
AC Power Supply LEDs in J-EX4500 Switches	39
Cooling System and Airflow in a J-EX4500 Switch	40
Uplink Modules in J-EX4500 Switches	43
Virtual Chassis Module in J-EX4500 Switches	45
Chapter 3: Component Specifications	49
USB Port Specifications for a J-EX Series Switch	49
Console Port Connector Pinout Information for a J-EX Series Switch	50
Management Port Connector Pinout Information for a J-EX4500 Switch	50
Network Port and Uplink Module Port Connector Pinout Information for J-EX4500 Switches	51
Virtual Chassis Ports Connector Pinout Information for J-EX4500 Switches	52
Optical Interface Support in J-EX4500 Switches	56
SFP+ Direct Attach Cables for J-EX Series Switches	62
Cable Specifications	63
Standards Supported by These Cables	64
Grounding Cable and Lug Specifications for J-EX4500 Switches	64
Part 2: Planning for Switch Installation	67
Chapter 4: Site Preparation	69
Site Preparation Checklist for J-EX4500 Switches	69
General Site Guidelines	70
Site Electrical Wiring Guidelines for J-EX Series Switches	71
Environmental Requirements and Specifications for J-EX Series Switches	72
Chapter 5: Rack and Cabinet Requirements	73
Rack Requirements for J-EX4500 Switches	73
Cabinet Requirements for J-EX4500 Switches	74
Clearance Requirements for Airflow and Hardware Maintenance for J-EX4500 Switches	76
Chapter 6: Cable Requirements	79
Network Cable Specifications for J-EX4500 Switches	79
Chapter 7: Planning Power Requirements	81
AC Power Specifications for J-EX4500 Switches	81
AC Power Cord Specifications for a J-EX4500 Switch	81
Chapter 8: Planning the Virtual Chassis	85
Understanding J-EX4500 Virtual Chassis Hardware Configurations	85
Planning J-EX4200 and J-EX4500 Virtual Chassis	86
Number and Location of Switches in a Virtual Chassis	86
Cabling Requirements for a Virtual Chassis	86
Power Requirements for a Virtual Chassis	87
Part 3: Installing and Connecting the Switch and Switch Components	89
Chapter 9: Installing the Switch	91
Installing and Connecting a J-EX4500 Switch	91
Unpacking a J-EX4500 Switch	92
Mounting a J-EX4500 Switch	94
Mounting a J-EX4500 Switch on Two Posts in a Rack or Cabinet	94
Mounting a J-EX4500 Switch on Four Posts in a Rack or Cabinet	97
Mounting a J-EX4500 Switch in a Recessed Position in a Rack or Cabinet	101
Chapter 10: Installing Switch Components	103
Installing and Removing J-EX4500 Switch Hardware Components	103
Installing a Power Supply in a J-EX4500 Switch	104
Installing a Fan Tray in a J-EX4500 Switch	105
Installing an Uplink Module in a J-EX4500 Switch	107
Installing a Virtual Chassis Module in a J-EX4500 Switch	109
Connecting a Virtual Chassis Cable to a J-EX4500 Switch	111
Installing a Transceiver in a J-EX Series Switch	112
Chapter 11: Connecting the Switch	115
Connecting Earth Ground to a J-EX Series Switch	115
Connecting Earth Ground to a J-EX4500 Switch	116
Connecting AC Power to a J-EX4500 Switch	117
Connecting a J-EX Series Switch to a Network for Out-of-Band Management	119
Connecting a J-EX Series Switch to a Management Console	120
Connecting a J-EX Series Switch to a Modem	121
Setting the Serial Console Speed for the Switch	122
Configuring the Modem	123
Connecting the Modem to the Console Port	124
Connecting a Fiber-Optic Cable to a J-EX Series Switch	125
Chapter 12: Performing Initial Configuration	127
J-EX4500 Default Configuration	127
Connecting and Configuring a J-EX Series Switch (CLI Procedure)	133
Connecting and Configuring a J-EX Series Switch (J-Web Procedure)	134
Part 4: Removing the Switch and Switch Components	139
Chapter 13: Removing the Switch	141
Removing a J-EX4500 Switch from a Rack or Cabinet	141
Chapter 14: Removing Switch Components	143
Installing and Removing J-EX4500 Switch Hardware Components	143
Removing a Power Supply from a J-EX4500 Switch	144
Removing a Fan Tray from a J-EX4500 Switch	146
Removing an Uplink Module from a J-EX4500 Switch	147
Removing a Virtual Chassis Module from a J-EX4500 Switch	149
Disconnecting a Virtual Chassis Cable from a J-EX4500 Switch	151
Disconnecting a Fiber-Optic Cable from a J-EX Series Switch	152
Removing a Transceiver from a J-EX Series Switch	153
Removing a Cage Nut from a Rack	154
Part 5: Switch and Component Maintenance	157
Chapter 15: Routine Maintenance	159
Maintaining Fiber-Optic Cables in J-EX Series Switches	159
Part 6: Returning Hardware	161
Chapter 16: Getting Help	163
Obtaining Assistance	163
Online Services	164
Automated Order-Status Service	165
Support Service	165
Dell Enterprise Training and Certification	165
Problems With Your Order	165
Product Information	165
Returning Items for Warranty Repair or Credit	165
Before You Call	166
Diagnostics Checklist	166
Contacting Dell	167
Locating the Serial Number on a J-EX4500 Switch or Component	167
Listing the Switch and Components Details with the CLI	168
Locating the Chassis Serial Number ID Label on a J-EX4500 Switch	168
Locating the Serial Number ID Labels on FRUs in a J-EX4500 Switch	169
Packing a J-EX4500 Switch or Component for Shipping	170
Packing a J-EX4500 Switch for Shipping	170
Packing J-EX4500 Switch Components for Shipping	172
Dell Support	172
Part 7: Safety Information	173
Chapter 17: General Safety Information	175
General Safety Guidelines and Warnings for J-EX Series Switches	175
Definitions of Safety Warning Levels for J-EX Series Switches	176
Fire Safety Requirements for J-EX Series Switches	178
Qualified Personnel Warning for J-EX Series Switches	179
Warning Statement for Norway and Sweden for J-EX Series Switches	180
Chapter 18: Radiation and Laser Warnings	181
Laser and LED Safety Guidelines and Warnings for J-EX Series Switches	181
General Laser Safety Guidelines	181
Class 1 Laser Product Warning	181
Class 1 LED Product Warning	182
Laser Beam Warning	182
Radiation from Open Port Apertures Warning for J-EX Series Switches	184
Chapter 19: Installation and Maintenance Safety Information	187
Installation Instructions Warning for J-EX Series Switches	187
Chassis Lifting Guidelines for J-EX4500 Switches	188
Ramp Warning for J-EX Series Switches	188
Rack-Mounting and Cabinet-Mounting Warnings for J-EX Series Switches	189
Grounded Equipment Warning for J-EX Series Switches	193
Maintenance and Operational Safety Guidelines and Warnings for J-EX Series Switches	194
Jewelry Removal Warning	194
Lightning Activity Warning	195
Operating Temperature Warning	196
Product Disposal Warning	198
Chapter 20: Power and Electrical Safety Information	201
General Electrical Safety Guidelines and Warnings for J-EX Series Switches	201
Prevention of Electrostatic Discharge Damage on J-EX Series Switches	202
AC Power Electrical Safety Guidelines for J-EX Series Switches	204
AC Power Disconnection Warning for J-EX Series Switches	205
Multiple Power Supplies Disconnection Warning for J-EX Series Switches	206
TN Power Warning for J-EX Series Switches	206
Action to Take After an Electrical Accident	207
Part 8: Compliance Information	209
Chapter 21: Compliance Information	211
Agency Approvals for J-EX Series Switches	211
Compliance Statements for EMC Requirements for J-EX Series Switches	212
Canada	212
European Community	213
Japan	213
United States	213
FCC Part 15 Statement	213
Declarations of Conformity for J-EX4500 Switches	214
Compliance Statements for Acoustic Noise for J-EX Series Switches	215
Part 9: Index	217
Index	219
Symbols	219
A	219
B	219
C	219
D	220
E	220
F	220
G	221
H	221
I	221
J	221
L	221
M	222
N	222
O	222
P	222
R	223
S	223
T	224
U	224
V	225