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About This Guide • How to Use This Guide on page xiii • Downloading Software on page xiv • Documentation Conventions 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-EX4200 Ethernet Switch Hardware Guide, covers Dell PowerConnect J-Series J-EX4200 Virtual Chassis 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-EX4200 Ethernet Switch Hardware Guide Component descriptions, site preparation, installation, replacement, and safety and compliance information for J-EX4200 switches Dell PowerConnect J-Series J-EX4500 Ethernet Switch Hardware Guide Component descriptions, site preparation, installation, replacement, and safety and compliance information for J-EX4500 switches Dell PowerConnect J-Series J-EX8208 Ethernet Switch Hardware Guide Component descriptions, site preparation, installation, replacement, and safety and compliance information for J-EX8208 switches Dell PowerConnect J-Series J-EX8216 Ethernet Switch Hardware Guide Component descriptions, site preparation, installation, replacement, and safety and compliance information for J-EX8216 switches Dell PowerConnect J-Series Ethernet Switch Complete Software Guide for Junos OS Software feature descriptions, configuration examples, and tasks for Juniper Networks Junos Operating System (Junos OS) for J-EX Series switches xiii

Section	Page
Table of Contents	7
About This Guide	13
How to Use This Guide	13
Downloading Software	14
Documentation Conventions	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-EX4200 Switches Overview	19
J-EX4200 Switches Hardware Overview	19
J-EX4200 Switch Types	19
J-EX4200 Switches	20
Uplink Modules	20
Power over Ethernet (PoE) Ports	21
J-EX4200 Switch Models	21
Chassis Physical Specifications for J-EX4200 Switches	21
Front Panel of a J-EX4200 Switch	22
Rear Panel of a J-EX4200 Switch	23
J-EX4200 Switch Hardware and CLI Terminology Mapping	24
Chapter 2: Component Descriptions	27
LCD Panel in J-EX4200 Switches	27
LCD Panel Modes	28
LCD Panel Menus	29
Field-Replaceable Units in J-EX4200 Switches	32
Chassis Status LEDs in J-EX4200 Switches	32
Network Port LEDs in J-EX4200 Switches	34
Management Port LEDs in J-EX4200 Switches	37
Power Supply in J-EX4200 Switches	37
PoE Power Budget and AC Power Supplies	39
AC Power Supply LEDs in J-EX4200 Switches	40
Cooling System and Airflow in a J-EX4200 Switch	40
Uplink Modules in J-EX4200 Switches	41
SFP Uplink Module	42
SFP+ Uplink Module	42
Chapter 3: Component Specifications	45
USB Port Specifications for a J-EX Series Switch	45
Network Port Connector Pinout Information for a J-EX4200 Switch	46
Console Port Connector Pinout Information for a J-EX Series Switch	46
Management Port Connector Pinout Information for a J-EX4200 Switch	47
Optical Interface Support in J-EX4200 Switches	48
Uplink Modules Connector Pinout Information for J-EX4200 Switches	57
Virtual Chassis Ports Connector Pinout Information for J-EX4200 Switches	65
Part 2: Planning for Switch Installation	71
Chapter 4: Site Preparation	73
Site Preparation Checklist for J-EX4200 Switches	73
General Site Guidelines for J-EX Series Switches	75
Site Electrical Wiring Guidelines for J-EX Series Switches	75
Environmental Requirements and Specifications for J-EX Series Switches	76
Chapter 5: Mounting and Clearance Requirements	79
Rack Requirements for J-EX4200 Switches	79
Cabinet Requirements for J-EX4200 Switches	80
Requirements for Mounting a J-EX4200 Switch on a Desktop or Wall	82
Clearance Requirements for Airflow and Hardware Maintenance for J-EX4200 Switches	82
Chapter 6: Cable Specifications	85
Network Cable Specifications for J-EX4200 Switches	85
Chapter 7: Planning Power Requirements	87
Power Specifications for J-EX4200 Switches	87
AC Power Cord Specifications for J-EX4200 Switches	87
Chapter 8: Planning the Virtual Chassis	91
Understanding Virtual Chassis Hardware Configuration on a J-EX4200 Switch	91
Planning the J-EX4200 and J-EX4500 Virtual Chassis	92
Virtual Chassis Cabling Configuration Examples for J-EX4200 Switches	93
Adding a New Switch to an Existing Virtual Chassis Configuration (CLI Procedure)	95
Adding a New Switch to an Existing Virtual Chassis Configuration Within the Same Wiring Closet	95
Adding a New Switch from a Different Wiring Closet to an Existing Virtual Chassis Configuration	97
Adding a New Switch to an Existing Preprovisioned Virtual Chassis Configuration Using Autoprovisioning	98
Part 3: Installing and Connecting the Switch and Switch Components	101
Chapter 9: Installing the Switch	103
Installing and Connecting a J-EX4200 Switch	103
Unpacking a J-EX4200 Switch	104
Mounting a J-EX4200 Switch	106
Mounting a J-EX4200 Switch on a Desk or Other Level Surface	107
Mounting a J-EX4200 Switch on Two Posts in a Rack or Cabinet	108
Mounting a J-EX4200 Switch on Four Posts in a Rack or Cabinet	112
Mounting a J-EX4200 Switch in a Recessed Position in a Rack or Cabinet	116
Mounting a J-EX4200 Switch on a Wall	116
Chapter 10: Installing Switch Components	121
Installing and Removing J-EX4200 Switch Hardware Components	121
Installing a Power Supply in a J-EX4200 Switch	122
Installing a Fan Tray in a J-EX4200 Switch	123
Installing an Uplink Module in a J-EX4200 Switch	124
Installing a Transceiver in a J-EX Series Switch	126
Connecting a Virtual Chassis Cable to a J-EX4200 Switch	128
Chapter 11: Connecting the Switch	131
Connecting Earth Ground to a J-EX Series Switch	131
Connecting Earth Ground to a J-EX4200 Switch	132
Connecting AC Power to a J-EX4200 Switch	133
Connecting a J-EX Series Switch to a Network for Out-of-Band Management	136
Connecting a J-EX Series Switch to a Management Console	137
Connecting a J-EX Series Switch to a Modem	138
Setting the Serial Console Speed for the Switch	138
Configuring the Modem	139
Connecting the Modem to the Console Port	140
Connecting a Fiber-Optic Cable to a J-EX Series Switch	141
Chapter 12: Performing Initial Configuration	143
J-EX4200 Default Configuration	143
Connecting and Configuring a J-EX Series Switch (CLI Procedure)	147
Connecting and Configuring a J-EX Series Switch (J-Web Procedure)	149
Setting the Mode on an SFP+ Uplink Module (CLI Procedure)	151
Part 4: Removing Switch Components	153
Chapter 13: Removing Switch Components	155
Installing and Removing J-EX4200 Switch Hardware Components	155
Removing a Power Supply from a J-EX4200 Switch	156
Removing a Fan Tray from a J-EX4200 Switch	157
Removing an Uplink Module from a J-EX4200 Switch	158
Removing a Transceiver from a J-EX Series Switch	160
Disconnecting a Fiber-Optic Cable from a J-EX Series Switch	162
Disconnecting a Virtual Chassis Cable from a J-EX4200 Switch	163
Replacing a Member Switch of a Virtual Chassis Configuration (CLI Procedure)	164
Remove, Repair, and Reinstall the Same Switch	165
Remove a Member Switch, Replace with a Different Switch, and Reapply the Old Configuration	165
Remove a Member Switch and Make Its Member ID Available for Reassignment to a Different Switch	166
Removing a Cage Nut from a Rack	166
Part 5: Switch and Component Maintenance	167
Chapter 14: Routine Maintenance	169
Maintaining Fiber-Optic Cables in J-EX Series Switches	169
Part 6: Troubleshooting Switch Components	171
Chapter 15: Troubleshooting Switch Components	173
Troubleshooting Network Interfaces on J-EX4200 Switches	173
The interface on the port in which an SFP or SFP+ transceiver is installed in an SFP+ uplink module is down	173
Troubleshooting Uplink Module Installation or Replacement on J-EX4200 Switches	174
Virtual Chassis port (VCP) connection does not work	174
Part 7: Returning Hardware	175
Chapter 16: Getting Help	177
Obtaining Assistance	177
Online Services	178
Automated Order-Status Service	179
Support Service	179
Dell Enterprise Training and Certification	179
Problems With Your Order	179
Product Information	179
Returning Items for Warranty Repair or Credit	179
Before You Call	180
Diagnostics Checklist	180
Contacting Dell	181
Locating a J-EX Series Switch Component Serial Number and Agency Labels	181
Locating the Serial Number on a J-EX4200 Switch or Component	181
Locating the Chassis Serial Number and Agency Labels	182
Locating the Serial Number ID Labels on FRUs in a J-EX4200 Switch	182
Packing a J-EX4200 Switch or Component for Shipping	182
Packing a J-EX4200 Switch for Shipping	183
Packing J-EX4200 Switch Components for Shipping	184
Dell Support	184
Part 8: Safety Information	185
Chapter 17: General Safety Information	187
General Safety Guidelines and Warnings for J-EX Series Switches	187
Definitions of Safety Warning Levels for J-EX Series Switches	188
Fire Safety Requirements for J-EX Series Switches	190
Qualified Personnel Warning for J-EX Series Switches	191
Warning Statement for Norway and Sweden for J-EX Series Switches	192
Chapter 18: Radiation and Laser Warnings	193
Laser and LED Safety Guidelines and Warnings for J-EX Series Switches	193
General Laser Safety Guidelines	193
Class 1 Laser Product Warning	193
Class 1 LED Product Warning	194
Laser Beam Warning	194
Radiation from Open Port Apertures Warning for J-EX Series Switches	196
Chapter 19: Installation and Maintenance Safety Information	199
Installation Instructions Warning for J-EX Series Switches	199
Chassis Lifting Guidelines for J-EX4200 Switches	200
Ramp Warning for J-EX Series Switches	200
Rack-Mounting and Cabinet-Mounting Warnings for J-EX Series Switches	201
Wall-Mounting Warning for J-EX4200 Switches	205
Grounded Equipment Warning for J-EX Series Switches	206
Maintenance and Operational Safety Guidelines and Warnings for J-EX Series Switches	206
Jewelry Removal Warning	207
Lightning Activity Warning	208
Operating Temperature Warning	209
Product Disposal Warning	211
Chapter 20: Power and Electrical Safety Information	213
General Electrical Safety Guidelines and Warnings for J-EX Series Switches	213
Prevention of Electrostatic Discharge Damage on J-EX Series Switches	214
AC Power Electrical Safety Guidelines for J-EX Series Switches	216
AC Power Disconnection Warning for J-EX Series Switches	217
Multiple Power Supplies Disconnection Warning for J-EX Series Switches	218
Power Sources for Redundant Power Supplies Warning for J-EX4200 Switches	218
TN Power Warning for J-EX Series Switches	218
Action to Take After an Electrical Accident	219
Part 9: Compliance Information	221
Chapter 21: Compliance Information	223
Agency Approvals for J-EX Series Switches	223
Compliance Statements for EMC Requirements for J-EX Series Switches	224
Canada	224
European Community	225
Japan	225
United States	225
FCC Part 15 Statement	225
Non-Regulatory Environmental Standards	226
Compliance Statements for Acoustic Noise for J-EX Series Switches	226
Declarations of Conformity for J-EX4200 Switches	227
Part 10: Index	229
Index	231
Symbols	231
A	231
B	231
C	231
D	232
E	232
F	232
G	232
H	233
I	233
J	233
L	233
M	233
N	233
O	234
P	234
R	234
S	235
T	236
U	236
V	236