Juniper EX4200 Series Installation instructions

EX4200 Switch Hardware Guide
Published
2020-12-15

Juniper Networks, Inc.
1133 Innovation Way
Sunnyvale, California 94089
USA
408-745-2000
www.juniper.net
Juniper Networks, the Juniper Networks logo, Juniper, and Junos are registered trademarks of Juniper Networks, Inc. in
the United States and other countries. All other trademarks, service marks, registered marks, or registered service marks
are the property of their respective owners.
Juniper Networks assumes no responsibility for any inaccuracies in this document. Juniper Networks reserves the right
to change, modify, transfer, or otherwise revise this publication without notice.
EX4200 Switch Hardware Guide
Copyright © 2020 Juniper Networks, Inc. All rights reserved.
The information in this document is current as of the date on the title page.
YEAR 2000 NOTICE
Juniper Networks hardware and software products are Year 2000 compliant. Junos OS has no known time-related
limitations through the year 2038. However, the NTP application is known to have some difficulty in the year 2036.
END USER LICENSE AGREEMENT
The Juniper Networks product that is the subject of this technical documentation consists of (or is intended for use with)
Juniper Networks software. Use of such software is subject to the terms and conditions of the End User License Agreement
(“EULA”) posted at https://support.juniper.net/support/eula/. By downloading, installing or using such software, you
agree to the terms and conditions of that EULA.
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Table of Contents
About the Documentation | xi
Documentation and Release Notes | xi
Using the Examples in This Manual | xi
Merging a Full Example | xii
Merging a Snippet | xiii
Documentation Conventions | xiii
Documentation Feedback | xvi
Requesting Technical Support | xvi
Self-Help Online Tools and Resources | xvii
Creating a Service Request with JTAC | xvii
Overview
1
EX4200 System Overview | 19
EX4200 Switches Hardware Overview | 19
Benefits of the EX4200 Switch | 19
EX4200 Switches | 20
Uplink Modules | 21
Power over Ethernet Ports | 21
EX4200 Switch Models | 21
EX4200 Switch Hardware and CLI Terminology Mapping | 23
Chassis Physical Specifications for EX4200 Switches | 27
Field-Replaceable Units in EX4200 Switches | 28
EX4200 Chassis | 29
Front Panel of an EX4200 Switch | 29
Rear Panel of an EX4200 Switch | 30
LCD Panel in EX4200 Switches | 31
LCD Panel Modes | 32
Uplink Modules in EX4200 Switches | 33
SFP Uplink Module | 34
SFP+ Uplink Module and SFP+ MACsec Uplink Module | 35
iii

XFP Uplink Module | 37
Chassis Status LEDs in EX4200 Switches | 37
Management Port LEDs in EX4200 Switches | 39
Network Port LEDs in EX4200 Switches | 40
EX4200 Cooling System | 45
Fan Tray | 46
Airflow Direction in the EX4200 Switch Chassis | 46
EX4200 Power System | 47
Power Supply in EX4200 Switches | 47
AC Power Supplies | 48
DC Power Supplies | 49
PoE Power Budget and AC Power Supplies | 50
AC Power Supply LEDs in EX4200 Switches | 52
DC Power Supply LEDs in EX4200 Switches | 52
Power Specifications for EX4200 Switches | 53
AC Power Cord Specifications for EX4200 Switches | 54
Site Planning, Preparation, and Specifications
2
Site Preparation Checklist for EX4200 Switches | 58
EX4200 Site Guidelines and Requirements | 59
Environmental Requirements and Specifications for EX Series Switches | 60
General Site Guidelines | 65
Site Electrical Wiring Guidelines | 65
Rack Requirements | 66
Cabinet Requirements | 67
Requirements for Mounting an EX4200 Switch on a Desktop or Wall | 68
Clearance Requirements for Airflow and Hardware Maintenance for EX4200 Switches | 69
EX4200 Network Cable and Transceiver Planning | 70
Pluggable Transceivers Supported on EX4200 Switches | 71
SFP+ Direct Attach Copper Cables for EX Series Switches | 72
Cable Specifications | 72
List of DAC Cables Supported on EX Series Switches | 73
iv

Standards Supported by These Cables | 73
Understanding EX Series Switches Fiber-Optic Cable Signal Loss, Attenuation, and
Dispersion | 74
Signal Loss in Multimode and Single-Mode Fiber-Optic Cable | 74
Attenuation and Dispersion in Fiber-Optic Cable | 74
Calculating the Fiber-Optic Cable Power Budget for EX Series Devices | 75
Calculating the Fiber-Optic Cable Power Margin for EX Series Devices | 76
EX4200 Management Cable Specifications and Pinouts | 78
Management Cable Specifications | 78
Console Port Connector Pinout Information | 79
USB Port Specifications for an EX Series Switch | 79
RJ-45 Management Port Connector Pinout Information | 80
RJ-45 Port, SFP Port, SFP+ Port, QSFP+ Port, and QSFP28 Port Connector Pinout
Information | 81
RJ-45 to DB-9 Serial Port Adapter Pinout Information | 85
Uplink Modules Connector Pinout Information for EX4200 Switches | 86
Virtual Chassis Ports Connector Pinout Information for EX4200 Switches | 95
EX4200 Virtual Chassis | 99
Understanding EX4200, EX4500, and EX4550 Virtual Chassis Hardware Configurations | 99
Ports Used to Interconnect Virtual Chassis Members | 100
Number of Switches, Required Software Releases, and Member Roles That You Configure
in the Virtual Chassis | 101
Virtual Chassis Module | 102
Switch Role and Member ID on the LCD Panel | 102
Planning EX4200, EX4500, and EX4550 Virtual Chassis | 103
Virtual Chassis Cabling Configuration Examples for EX4200 Switches | 105
Initial Installation and Configuration
3
Unpacking and Mounting the EX4200 Switch | 110
Unpacking an EX4200 Switch | 110
Parts Inventory (Packing List) for an EX4200 Switch | 111
Register Products—Mandatory to Validate SLAs | 114
Installing and Connecting an EX4200 Switch | 114
Mounting an EX4200 Switch | 115
v

Mounting an EX4200 Switch on a Desk or Other Level Surface | 116
Mounting an EX4200 Switch on Two Posts in a Rack or Cabinet | 117
Mounting an EX4200 Switch on Four Posts in a Rack or Cabinet | 120
Mounting an EX4200 Switch in a Recessed Position in a Rack or Cabinet | 123
Mounting an EX4200 Switch on a Wall | 124
Connecting the EX4200 to Power | 126
Connect Earth Ground to an EX Series Switch | 127
Parts and Tools Required for Connecting an EX Series Switch to Earth Ground | 127
Special Instructions to Follow Before Connecting Earth Ground to an EX Series Switch | 132
Connecting Earth Ground to an EX Series Switch | 133
Connecting AC Power to an EX4200 Switch | 134
Connecting DC Power to an EX4200 Switch | 137
Connecting the EX4200 to External Devices | 141
Connect a Device to a Network for Out-of-Band Management | 141
Connect a Device to a Management Console Using an RJ-45 Connector | 142
Connecting the EX4200 to the Network | 143
Install a Transceiver | 143
Connect a Fiber-Optic Cable | 146
Configuring Junos OS on the EX4200 | 147
EX4200 Default Configuration | 148
Connecting and Configuring an EX Series Switch (CLI Procedure) | 153
Connecting and Configuring an EX Series Switch (J-Web Procedure) | 156
Configuring the LCD Panel on EX Series Switches (CLI Procedure) | 160
Disabling or Enabling Menus and Menu Options on the LCD Panel | 161
Configuring a Custom Display Message | 162
Dashboard for EX Series Switches | 163
Graphical Chassis Viewer | 164
System Information Panel | 166
Health Status Panel | 169
Capacity Utilization Panel | 173
Alarms Panel | 174
File System Usage | 174
vi

Chassis Viewer | 174
Maintaining Components
4
Maintaining the EX4200 Cooling System | 193
Removing a Fan Tray from an EX4200 Switch | 193
Installing a Fan Tray in an EX4200 Switch | 194
Maintaining the EX4200 Power System | 195
Removing a Power Supply from an EX4200 Switch | 195
Installing a Power Supply in an EX4200 Switch | 197
Maintain Transceivers | 199
Remove a Transceiver | 199
Remove a QSFP28 Transceiver | 202
Install a Transceiver | 204
Install a QSFP28 Transceiver | 206
Maintaining EX4200 Uplink Module | 208
Removing an Uplink Module from an EX4200 Switch | 208
Installing an Uplink Module in an EX4200 Switch | 211
Maintain Fiber-Optic Cables | 213
Connect a Fiber-Optic Cable | 214
Disconnect a Fiber-Optic Cable | 215
How to Handle Fiber-Optic Cables | 215
Replacing a Member Switch to Virtual Chassis | 216
Adding a New EX4200 Switch to an Existing EX4200 Virtual Chassis (CLI Procedure) | 217
Adding a New Switch to an Existing Virtual Chassis Within the Same Wiring Closet | 217
Adding a New Switch from a Different Wiring Closet to an Existing Virtual Chassis | 219
Adding a New Switch to an Existing Preprovisioned Virtual Chassis Using Autoprovisioning
and Automatic VCP Conversion | 221
Removing or Replacing a Member Switch of a Virtual Chassis Configuration | 223
Remove a Member Switch and Make Its Member ID Available for Reassignment to a
Different Switch | 224
Remove, Repair, and Reinstall the Same Switch | 225
Remove a Member Switch, Replace It with a Different Switch, and Reapply the Old
Configuration | 226
vii

Replace a Member Switch With a Different Type of Switch That Changes the Virtual
Chassis to Mixed Mode | 229
Maintaining Virtual Chassis Cable | 230
Disconnecting a Virtual Chassis Cable from an EX4200 Switch | 230
Connecting a Virtual Chassis Cable to an EX4200 Switch | 231
Troubleshooting Hardware
5
Troubleshooting EX4200 Components | 234
Understand Alarm Types and Severity Levels on EX Series Switches | 234
Chassis Component Alarm Conditions on EX4200 Switches | 236
Check Active Alarms with the J-Web Interface | 240
Monitor System Log Messages | 241
Troubleshooting Network Interfaces on EX4200 Switches | 246
The interface on the port in which an SFP or SFP+ transceiver is installed is down | 246
Troubleshooting Virtual Chassis Port Connectivity on an EX4200 Switch | 247
Virtual Chassis port (VCP) connection does not work | 247
Troubleshooting Power Supply Installation Alarms on EX4200 Switches | 248
The Switch Displays the “Unsupported PSU” Alarm | 248
Troubleshooting PoE Voltage Injection Failure in EX2300, EX3400, or EX4300 Switch Models
with PoE Capability | 249
Troubleshoot Temperature Alarms in EX Series Switches | 249
Contacting Customer Support and Returning the Chassis or Components
6
Returning an EX4200 Switch or Component for Repair or Replacement | 256
Returning an EX4200 Switch or Component for Repair or Replacement | 256
Locating the Serial Number on an EX4200 Switch or Component | 257
Listing the Switch and Components Details with the CLI | 257
Locating the Chassis Serial Number ID Label on an EX4200 Switch | 258
Locating the Serial Number ID Labels on FRUs in an EX4200 Switch | 258
Contact Customer Support to Obtain Return Material Authorization | 258
Packing an EX4200 Switch or Component for Shipping | 259
Packing an EX4200 Switch for Shipping | 260
Packing EX4200 Switch Components for Shipping | 261
viii

Safety and Compliance Information
7
General Safety Guidelines and Warnings | 264
Definitions of Safety Warning Levels | 265
Qualified Personnel Warning | 268
Warning Statement for Norway and Sweden | 269
Fire Safety Requirements | 269
Fire Suppression | 269
Fire Suppression Equipment | 269
Installation Instructions Warning | 271
Chassis and Component Lifting Guidelines | 271
Restricted Access Warning | 273
Ramp Warning | 275
Rack-Mounting and Cabinet-Mounting Warnings | 276
Grounded Equipment Warning | 282
Laser and LED Safety Guidelines and Warnings | 283
General Laser Safety Guidelines | 283
Class 1 Laser Product Warning | 284
Class 1 LED Product Warning | 285
Laser Beam Warning | 286
Radiation from Open Port Apertures Warning | 287
Maintenance and Operational Safety Guidelines and Warnings | 288
Battery Handling Warning | 289
Jewelry Removal Warning | 290
Lightning Activity Warning | 292
Operating Temperature Warning | 293
Product Disposal Warning | 295
General Electrical Safety Guidelines and Warnings | 296
Action to Take After an Electrical Accident | 297
ix

Prevention of Electrostatic Discharge Damage | 298
AC Power Electrical Safety Guidelines | 299
AC Power Disconnection Warning | 301
DC Power Electrical Safety Guidelines | 302
DC Power Disconnection Warning | 303
DC Power Grounding Requirements and Warning | 305
DC Power Wiring Sequence Warning | 307
DC Power Wiring Terminations Warning | 310
Multiple Power Supplies Disconnection Warning | 313
TN Power Warning | 314
Agency Approvals for EX Series Switches | 314
Compliance Statements for EMC Requirements for EX Series Switches | 315
Canada | 316
Taiwan | 317
European Community | 317
Israel | 317
Japan | 317
Korea | 318
United States | 318
FCC Part 15 Statement | 318
Nonregulatory Environmental Standards | 319
Compliance Statements for Acoustic Noise for EX Series Switches | 320
Statements of Volatility for Juniper Network Devices | 320
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