Juniper EX8208 Installation instructions

EX8208 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.
EX8208 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.
ii

Table of Contents
About the Documentation | xiii
Documentation and Release Notes | xiii
Using the Examples in This Manual | xiii
Merging a Full Example | xiv
Merging a Snippet | xv
Documentation Conventions | xv
Documentation Feedback | xviii
Requesting Technical Support | xviii
Self-Help Online Tools and Resources | xix
Creating a Service Request with JTAC | xix
EX8208 System Overview
1
EX8208 System Overview | 21
EX8208 Switch Hardware Overview | 21
Benefits of the EX8208 Switch | 22
Software | 22
Chassis Physical Specifications, LCD Panel, and Backplane | 22
Routing Engines and Switch Fabric | 23
Line Cards | 24
Cooling System | 25
Power Supplies | 26
EX8208 Switch Configurations | 27
EX8208 Switch Hardware and CLI Terminology Mapping | 29
Chassis Physical Specifications of an EX8208 Switch | 33
Field-Replaceable Units in an EX8208 Switch | 35
EX8208 Chassis | 37
Understanding EX8208 Switch Component and Functionality Redundancy | 37
Hardware Components That Provide Redundancy | 37
Routing Engine and Control Redundancy | 38
iii

Switch Fabric Redundancy | 39
Slot Numbering for an EX8208 Switch | 40
Slot Numbering for SRE and SF Module Slots and Line Card Slots | 40
Slot Numbering for the Power Supply Slots | 42
LCD Panel in an EX8200 Switch | 43
LCD Panel Modes | 44
LCD Panel Menus | 45
Backplane in an EX8208 Switch | 49
Chassis Status LEDs in an EX8200 Switch | 50
Network Port LEDs in an EX8200 Switch | 51
EX8208 Cooling System | 53
Fan Tray | 54
Airflow Direction in the EX8208 Switch Chassis | 55
EX8200 Power System | 56
AC Power Supply in an EX8200 Switch | 56
AC Power Supply Description | 57
N+1 Redundancy Configuration of AC Power Supplies | 59
N+N Redundancy Configuration of AC Power Supplies | 60
AC Power Supply LEDs in an EX8200 Switch | 63
AC Power Specifications for EX8200 Switches | 65
AC Power Cord Specifications for an EX8200 Switch | 66
DC Power Supply in an EX8200 Switch | 70
DC Power Supply LEDs in an EX8200 Switch | 72
DC Power Specifications for EX8200 Switches | 75
Grounding Cable and Lug Specifications for EX8200 Switches | 76
EX8208 Host Subsystem | 78
Switch Fabric and Routing Engine (SRE) Module in an EX8208 Switch | 78
SRE Module LEDs in an EX8208 Switch | 80
Switch Fabric (SF) Module in an EX8208 Switch | 81
SF Module LEDs in an EX8208 Switch | 82
iv

EX8200 Line Cards | 83
Line Card Model and Version Compatibility in an EX8200 Switch | 84
8-port SFP+ Line Card in an EX8200 Switch | 86
Line Card Models | 87
Line Card Components | 87
40-port SFP+ Line Card in an EX8200 Switch | 88
Line Card Models | 89
Line Card Components | 90
Line Card Ports | 90
EX8200-2XS-40P Line Card | 92
Line Card Models | 92
Line Card Components | 93
Line Card Ports | 93
EX8200-2XS-40T Line Card | 94
Line Card Models | 95
Line Card Components | 95
Line Card Ports | 96
EX8200-48PL Line Card | 97
Line Card Models | 97
Line Card Components | 98
Line Card Ports | 98
EX8200-48TL Line Card | 99
Line Card Models | 100
Line Card Components | 100
Line Card Ports | 100
48-Port SFP Line Card in an EX8200 Switch | 101
Line Card Models | 102
Line Card Components | 102
48-Port RJ-45 Line Card in an EX8200 Switch | 103
Line Card Models | 104
Line Card Components | 104
Line Card LEDs in an EX8200 Switch | 105
v

Site Planning, Preparation, and Specifications
2
Site Preparation Checklist for an EX8200 Switch | 108
EX8208 Site Guidelines and Requirements | 109
Environmental Requirements and Specifications for EX Series Switches | 110
General Site Guidelines | 115
Site Electrical Wiring Guidelines | 115
Clearance Requirements for Airflow and Hardware Maintenance for an EX8208 Switch | 116
Rack Requirements | 118
Cabinet Requirements | 119
Power Requirements for EX8208 Switch Components | 120
Calculating Power Requirements for an EX8208 Switch | 121
Calculating the Power Consumption of Your EX8208 Switch Configuration | 122
Calculating System Thermal Output for Your EX8208 Switch Configuration | 124
Calculating the Number of Power Supplies Required for Your EX8208 Switch
Configuration | 124
EX8200 Network Cable and Transceiver Planning | 128
Pluggable Transceivers Supported on EX8200 Switches | 128
SFP+ Direct Attach Copper Cables for EX Series Switches | 129
Cable Specifications | 130
List of DAC Cables Supported on EX Series Switches | 130
Standards Supported by These Cables | 131
Understanding EX Series Switches Fiber-Optic Cable Signal Loss, Attenuation, and
Dispersion | 131
Signal Loss in Multimode and Single-Mode Fiber-Optic Cable | 131
Attenuation and Dispersion in Fiber-Optic Cable | 132
Calculating the Fiber-Optic Cable Power Budget for EX Series Devices | 132
Calculating the Fiber-Optic Cable Power Margin for EX Series Devices | 133
EX8200 Management Cable Specifications and Pinouts | 135
Management Cable Specifications | 135
Console Port Connector Pinout Information | 136
USB Port Specifications for an EX Series Switch | 136
RJ-45 Management Port Connector Pinout Information | 137
RJ-45 to DB-9 Serial Port Adapter Pinout Information | 138
vi

Initial Installation and Configuration
3
Unpacking and Mounting the EX8208 Switch | 140
Unpacking an EX8200 Switch | 140
Unpacking a Line Card Used in an EX8200 Switch | 143
Parts Inventory (Packing List) for an EX8208 Switch | 144
Register Products—Mandatory to Validate SLAs | 147
Installing and Connecting an EX8208 Switch | 147
Installing Adjustable Mounting Brackets in a Rack or Cabinet for an EX8200 Switch | 148
Installing the Power Cord Tray in a Rack or Cabinet for an EX8200 Switch | 151
Mounting an EX8208 Switch on a Rack or Cabinet | 154
Mounting an EX8208 Switch on a Rack or Cabinet Using a Mechanical Lift | 157
Mounting an EX8208 Switch on a Rack or Cabinet Without Using a Mechanical Lift | 159
Connecting the EX8200 to Power | 164
Connect Earth Ground to an EX Series Switch | 164
Parts and Tools Required for Connecting an EX Series Switch to Earth Ground | 165
Special Instructions to Follow Before Connecting Earth Ground to an EX Series Switch | 169
Connecting Earth Ground to an EX Series Switch | 170
Connecting AC Power to an EX8200 Switch | 171
Connecting DC Power to an EX8200 Switch | 174
Powering On an EX8200 Switch | 180
Connecting the EX8200 to External Devices | 182
Connect a Device to a Network for Out-of-Band Management | 182
Connect a Device to a Management Console Using an RJ-45 Connector | 183
Connecting an EX8200 Switch to a Modem | 184
Setting the Serial Console Speed for the Switch | 185
Configuring the Modem | 186
Connecting the Modem to the Console Port | 187
Connecting the EX8200 to the Network | 188
Install a Transceiver | 189
Connect a Fiber-Optic Cable | 191
vii

Configuring Junos OS on the EX8200 | 193
EX8200 Switch Default Configuration | 193
Connecting and Configuring an EX Series Switch (CLI Procedure) | 194
Connecting and Configuring an EX Series Switch (J-Web Procedure) | 198
Configuring the LCD Panel on EX Series Switches (CLI Procedure) | 202
Disabling or Enabling Menus and Menu Options on the LCD Panel | 203
Configuring a Custom Display Message | 204
Dashboard for EX Series Switches | 205
Graphical Chassis Viewer | 206
System Information Panel | 208
Health Status Panel | 211
Capacity Utilization Panel | 215
Alarms Panel | 216
File System Usage | 216
Chassis Viewer | 216
Maintaining Components
4
Maintaining the EX8208 Cooling System | 235
Removing a Fan Tray from an EX8208 Switch | 235
Installing a Fan Tray in an EX8208 Switch | 237
Maintaining the EX8200 Power System | 238
Removing an AC Power Supply from an EX8200 Switch | 239
Installing an AC Power Supply in an EX8200 Switch | 240
Removing a DC Power Supply from an EX8200 Switch | 243
Installing a DC Power Supply in an EX8200 Switch | 245
Maintaining the EX8200 Power Cord Tray | 247
Removing the Power Cord Tray from a Rack or Cabinet for an EX8200 Switch | 248
Installing the Power Cord Tray in a Rack or Cabinet for an EX8200 Switch | 248
viii

Maintaining the EX8208 Host Subsystem | 251
Taking the SRE Module Offline in an EX8208 Switch | 251
Taking an SRE Module Offline in a Switch with Redundant SRE Modules | 251
Taking an SRE Module Offline in a Switch With One SRE Module | 252
Removing an SRE Module from an EX8208 Switch | 253
Installing an SRE Module in an EX8208 Switch | 255
Taking the SF Module Offline in an EX8208 Switch | 257
Removing an SF Module from an EX8208 Switch | 257
Installing an SF Module in an EX8208 Switch | 259
Maintaining the EX8200 Line Cards | 261
Handling and Storing Line Cards | 262
Holding a Line Card | 262
Storing a Line Card | 266
Maintaining Line Card Cables | 267
Unpacking a Line Card Used in an EX8200 Switch | 267
Removing a Line Card from an EX8200 Switch | 268
Installing a Line Card in an EX8200 Switch | 271
Maintain Transceivers | 275
Remove a Transceiver | 275
Remove a QSFP28 Transceiver | 279
Install a Transceiver | 281
Install a QSFP28 Transceiver | 283
Maintain Fiber-Optic Cables | 285
Connect a Fiber-Optic Cable | 285
Disconnect a Fiber-Optic Cable | 286
How to Handle Fiber-Optic Cables | 287
Removing an EX8208 from a Rack or Cabinet | 288
Powering Off an EX8200 Switch | 289
Removing an EX8208 Switch from a Rack or Cabinet | 290
Removing an EX8208 Switch from a Rack or Cabinet Using a Mechanical Lift | 292
Removing an EX8208 Switch from a Rack or Cabinet Without Using a Mechanical Lift | 294
Removing a Battery from an EX8208 Switch for Recycling | 296
ix

Troubleshooting Hardware
5
Troubleshooting EX8200 Components | 299
Understand Alarm Types and Severity Levels on EX Series Switches | 299
Chassis Component Alarm Conditions on EX8200 Switches | 300
Check Active Alarms with the J-Web Interface | 311
Monitor System Log Messages | 312
Troubleshooting an EX8200 Line Card’s Failure to Power On | 317
Troubleshoot Temperature Alarms in EX Series Switches | 320
Contacting Customer Support and Returning the Chassis or Components
6
Returning an EX8200 Chassis or Components | 326
Returning an EX8200 Switch or Component for Repair or Replacement | 326
Locating the Serial Number on an EX8200 Switch or Component | 327
Listing the Switch and Components Details with the CLI | 327
Locating the Serial Number ID Label on an EX8200 Switch Chassis | 330
Locating Serial Number ID Labels on FRU Components | 331
Contact Customer Support to Obtain Return Material Authorization | 339
Packing an EX8200 Switch or Component | 340
Packing an EX8200 Switch | 340
Packing EX8200 Switch Components for Shipping | 343
Packing a Line Card Used in an EX8200 Switch | 344
Safety and Compliance Information
7
General Safety Guidelines and Warnings | 347
Definitions of Safety Warning Levels | 348
Qualified Personnel Warning | 351
Warning Statement for Norway and Sweden | 352
Fire Safety Requirements | 352
Fire Suppression | 352
Fire Suppression Equipment | 352
Installation Instructions Warning | 354
Chassis and Component Lifting Guidelines | 354
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