Juniper EX2300 Series Installation instructions

EX2300 Switch Hardware Guide
Published
2022-02-14

Juniper Networks, Inc.
1133 Innovaon 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 respecve 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 publicaon without noce.
EX2300 Switch Hardware Guide
Copyright © 2022 Juniper Networks, Inc. All rights reserved.
The informaon in this document is current as of the date on the tle page.
YEAR 2000 NOTICE
Juniper Networks hardware and soware products are Year 2000 compliant. Junos OS has no known me-related
limitaons through the year 2038. However, the NTP applicaon is known to have some diculty in the year 2036.
END USER LICENSE AGREEMENT
The Juniper Networks product that is the subject of this technical documentaon consists of (or is intended for use
with) Juniper Networks soware. Use of such soware is subject to the terms and condions of the End User License
Agreement ("EULA") posted at hps://support.juniper.net/support/eula/. By downloading, installing or using such
soware, you agree to the terms and condions of that EULA.
ii

Table of Contents
About This Guide | ix
1
Overview
EX2300 System Overview | 2
EX2300 Switches Hardware Overview | 2
EX2300 Switch Models | 15
EX2300 Switch Hardware and CLI Terminology Mapping | 18
Chassis Physical Specicaons for EX2300 Switches | 23
EX2300 Chassis | 25
Chassis Status LEDs in EX2300 Switches | 26
Management Port LEDs in EX2300 Switches | 30
RJ-45 Network Port LEDs and Uplink Port LEDs in EX2300 Switches | 34
EX2300 Cooling System | 40
EX2300 Power System | 46
Power Supply in EX2300 Switches | 46
Power Specicaons for EX2300 Switches | 47
AC Power Cord Specicaons for EX2300 Switches | 49
2
Site Planning, Preparaon, and Specicaons
Site Preparaon Checklist for EX2300 Switches | 53
EX2300 Site Guidelines and Requirements | 55
Environmental Requirements and Specicaons for EX Series Switches | 55
General Site Guidelines | 62
Site Electrical Wiring Guidelines | 62
Rack Requirements | 63
Cabinet Requirements | 65
iii

Requirements for Mounng an EX2300 Switch On or Under a Desk or Other Level Surface or
On a Wall | 66
Clearance Requirements for Airow and Hardware Maintenance for EX2300 Switches | 67
EX2300 Network Cable and Transceiver Planning | 75
Pluggable Transceivers Supported on EX2300 Switches | 75
SFP+ Direct Aach Copper Cables for EX Series Switches | 77
Understanding EX Series Switches Fiber-Opc Cable Signal Loss, Aenuaon, and Dispersion | 79
Calculang the Fiber-Opc Cable Power Budget for EX Series Devices | 81
Calculang the Fiber-Opc Cable Power Margin for EX Series Devices | 81
EX2300 Management Cable Specicaons and Pinouts | 83
Management Cable Specicaons | 84
Console Port Connector Pinout Informaon | 84
USB Port Specicaons for an EX Series Switch | 85
Mini-USB Port Pinout Specicaons | 86
RJ-45 Management Port Connector Pinout Informaon | 87
RJ-45 Port, SFP Port, SFP+ Port, QSFP+ Port, and QSFP28 Port Connector Pinout Informaon | 87
SFP+ Uplink Port Connector Pinout Informaon for an EX2300 Switch | 94
RJ-45 Management Port Connector Pinout Informaon | 96
RJ-45 to DB-9 Serial Port Adapter Pinout Informaon | 96
EX2300 Virtual Chassis | 97
Planning EX2300 Virtual Chassis | 98
Understanding EX2300 Virtual Chassis Hardware Conguraon | 98
3
Inial Installaon and Conguraon
Unpacking and Mounng the EX2300 Switch | 101
Unpacking an EX2300 Switch | 101
Parts Inventory (Packing List) for an EX2300 Switch | 102
Register Products—Mandatory to Validate SLAs | 103
iv

Installing and Connecng an EX2300 Switch | 104
Mounng an EX2300 Switch | 105
Mounng an EX2300 Switch on a Desk or Other Level Surface | 106
Mounng an EX2300-C Switch Under a Desk or Other Level Surface by Using Screws | 108
Mounng an EX2300 Switch on Two Posts of a Rack or Cabinet | 113
Mounng an EX2300 Switch on Four Posts of a Rack or Cabinet | 116
Mounng an EX2300 Switch on a Wall | 119
Mounng an EX2300-C Switch on a Wall | 119
Mounng an EX2300 Switch Except the EX2300-C Switch and the EX2300-24MP and
EX2300-48MP Models on a Wall | 124
Mounng an EX2300-C Switch on or Under a Surface Made of Ferrous Material | 127
Mounng an EX2300 Switch in a Recessed Posion in a Rack or Cabinet | 132
Connecng the EX2300 to Power | 132
Connect Earth Ground to an EX Series Switch | 132
Connecng AC Power to an EX2300 Switch | 141
Connecng DC Power to an EX2300 Switch | 144
Connecng the EX2300 to External Devices | 147
Connect a Device to a Network for Out-of-Band Management | 147
Connect a Device to a Management Console Using an RJ-45 Connector | 148
Connect an EX Series Switch to a Management Console Using the Mini-USB Type-B Console
Port | 149
Connecng the EX2300 to the Network | 151
Install a Transceiver | 151
Connect a Fiber-Opc Cable | 154
Conguring Junos OS on the EX2300 | 155
EX2300 Switch Default Conguraon | 156
Connecng and Conguring an EX Series Switch (CLI Procedure) | 171
Connecng and Conguring an EX Series Switch (J-Web Procedure) | 175
v

Reverng to the Default Factory Conguraon for the EX Series Switch | 179
Reverng to the EX Series Switch Factory-Default Conguraon Using the request system
zeroize Command | 180
Reverng to the EX Series Switch Factory-Default Conguraon Using the load factory-
default Command | 180
Reverng to the Factory-Default Conguraon Using the EX Series Switch LCD Panel | 182
Reverng to the Factory-Default Conguraon Using the Factory Reset/Mode buon on
EX2300, EX3400, and EX4300-48MP Switches | 182
Dashboard for EX Series Switches | 184
4
Maintaining Components
Maintain Transceivers | 217
Remove a Transceiver | 217
Remove a QSFP28 Transceiver | 219
Install a Transceiver | 221
Install a QSFP28 Transceiver | 224
Maintain Fiber-Opc Cables | 226
Connect a Fiber-Opc Cable | 226
Disconnect a Fiber-Opc Cable | 227
How to Handle Fiber-Opc Cables | 228
5
Troubleshoong Hardware
Troubleshoong EX2300 Components | 231
Understand Alarm Types and Severity Levels on EX Series Switches | 231
Chassis Component Alarm Condions on EX2300 Switches | 233
Check Acve Alarms with the J-Web Interface | 235
Monitor System Log Messages | 236
Troubleshoong PoE Voltage Injecon Failure in EX2300, EX3400, or EX4300 Switch Models
with PoE Capability | 243
Troubleshoong Storage Issues While Upgrading Junos OS in EX2300 and EX3400 Switches | 244
Troubleshoot Temperature Alarms in EX Series Switches | 246
vi

6
Contacng Customer Support and Returning the Chassis or Components
Returning an EX2300 Switch or Component for Repair or Replacement | 254
Returning an EX2300 Switch or Component for Repair or Replacement | 254
Locang the Serial Number on an EX2300 Switch or Component | 255
Lisng the Switch and Components Details with the CLI | 255
Locang the Chassis Serial Number ID Label on an EX2300 Switch | 257
Contact Customer Support to Obtain Return Material Authorizaon | 257
Packing an EX2300 Switch or Component for Shipping | 258
Packing a Switch for Shipping | 259
Packing Switch Components for Shipping | 259
7
Safety and Compliance Informaon
General Safety Guidelines and Warnings | 263
Denions of Safety Warning Levels | 264
Qualied Personnel Warning | 266
Warning Statement for Norway and Sweden | 266
Fire Safety Requirements | 267
Installaon Instrucons Warning | 268
Chassis and Component Liing Guidelines | 269
Restricted Access Warning | 269
Ramp Warning | 271
Rack-Mounng and Cabinet-Mounng Warnings | 271
Grounded Equipment Warning | 275
Laser and LED Safety Guidelines and Warnings | 276
Radiaon from Open Port Apertures Warning | 279
Maintenance and Operaonal Safety Guidelines and Warnings | 280
General Electrical Safety Guidelines and Warnings | 286
vii

Acon to Take Aer an Electrical Accident | 287
Prevenon of Electrostac Discharge Damage | 288
AC Power Electrical Safety Guidelines | 289
AC Power Disconnecon Warning | 290
DC Power Electrical Safety Guidelines | 291
DC Power Disconnecon Warning | 292
DC Power Grounding Requirements and Warning | 294
DC Power Wiring Sequence Warning | 294
DC Power Wiring Terminaons Warning | 296
Mulple Power Supplies Disconnecon Warning | 297
TN Power Warning | 298
Agency Approvals for EX Series Switches | 299
Compliance Statements for EMC Requirements for EX Series Switches | 300
Compliance Statements for Acousc Noise for EX Series Switches | 305
viii

About This Guide
Use this guide to install hardware and perform inial soware conguraon, roune maintenance, and
troubleshoong for the EX2300 switch. Aer compleng the installaon and basic conguraon
procedures covered in this guide, refer to the Junos OS documentaon for informaon about further
soware conguraon.
ix

1
CHAPTER
Overview
EX2300 System Overview | 2
EX2300 Chassis | 25
EX2300 Cooling System | 40
EX2300 Power System | 46