Juniper EX2300 Series - Troubleshooting Hardware

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CHAPTER

Troubleshoong Hardware

Troubleshoong EX2300 Components | 231

Main Page

Table of Contents3
About this Guide9
Overview10
EX2300 System Overview11
EX2300 Switches Hardware Overview11
EX2300 Switch Models24
EX2300 Switch Hardware and CLI Terminology Mapping27
Chassis Physical Specifications for EX2300 Switches32
EX2300 Chassis34
Chassis Status Leds in EX2300 Switches35
Management Port Leds in EX2300 Switches39
RJ-45 Network Port Leds and Uplink Port Leds in EX2300 Switches43
EX2300 Cooling System49
EX2300 Power System55
Power Supply in EX2300 Switches55
Power Specifications for EX2300 Switches56
AC Power Cord Specifications for EX2300 Switches58
Site Planning, Preparation, and Specifications61
Site Preparation Checklist for EX2300 Switches62
EX2300 Site Guidelines and Requirements64
Environmental Requirements and Specifications for EX Series Switches64
General Site Guidelines71
Site Electrical Wiring Guidelines71
Rack Requirements72
Cabinet Requirements74
Requirements for Mounting an EX2300 Switch on or under a Desk or Other Level Surface or on a Wall75
Clearance Requirements for Airflow and Hardware Maintenance for EX2300 Switches76
EX2300 Network Cable and Transceiver Planning84
Pluggable Transceivers Supported on EX2300 Switches84
SFP+ Direct Attach Copper Cables for EX Series Switches86
Understanding EX Series Switches Fiber-Optic Cable Signal Loss, Attenuation, and Dispersion88
Calculating the Fiber-Optic Cable Power Budget for EX Series Devices90
Calculating the Fiber-Optic Cable Power Margin for EX Series Devices90
EX2300 Management Cable Specifications and Pinouts92
Management Cable Specifications93
Console Port Connector Pinout Information93
USB Port Specifications for an EX Series Switch94
Mini-USB Port Pinout Specifications95
RJ-45 Management Port Connector Pinout Information96
Port, SFP Port, SFP+ Port, QSFP+ Port, and QSFP28 Port Connector Pinout Information96
SFP+ Uplink Port Connector Pinout Information for an EX2300 Switch103
RJ-45 Management Port Connector Pinout Information105
RJ-45 to DB-9 Serial Port Adapter Pinout Information105
EX2300 Virtual Chassis106
Planning EX2300 Virtual Chassis107
Understanding EX2300 Virtual Chassis Hardware Configuration107
Initial Installation and Configuration109
Unpacking and Mounting the EX2300 Switch110
Unpacking an EX2300 Switch110
Parts Inventory (Packing List) for an EX2300 Switch111
Register Products-Mandatory to Validate Slas112
Installing and Connecting an EX2300 Switch113
Mounting an EX2300 Switch114
Mounting an EX2300 Switch on a Desk or Other Level Surface115
Mounting an EX2300-C Switch under a Desk or Other Level Surface by Using Screws117
Mounting an EX2300 Switch on Two Posts of a Rack or Cabinet122
Mounting an EX2300 Switch on Four Posts of a Rack or Cabinet125
Mounting an EX2300 Switch on a Wall128
Mounting an EX2300-C Switch on a Wall128
Mounting an EX2300 Switch Except the EX2300-C Switch and the EX2300-24MP and EX2300-48MP Models on a Wall133
Mounting an EX2300-C Switch on or under a Surface Made of Ferrous Material136
Mounting an EX2300 Switch in a Recessed Position in a Rack or Cabinet141
Connecting the EX2300 to Power141
Connect Earth Ground to an EX Series Switch141
Connecting AC Power to an EX2300 Switch150
Connecting DC Power to an EX2300 Switch153
Connecting the EX2300 to External Devices156
Connect a Device to a Network for Out-Of-Band Management156
Connect a Device to a Management Console Using an RJ-45 Connector157
Connect an EX Series Switch to a Management Console Using the Mini-USB Type-B Console Port158
Connecting the EX2300 to the Network160
Install a Transceiver160
Connect a Fiber-Optic Cable163
Configuring Junos os on the EX2300164
EX2300 Switch Default Configuration165
Connecting and Configuring an EX Series Switch (CLI Procedure)180
Connecting and Configuring an EX Series Switch (J-Web Procedure)184
Reverting to the Default Factory Configuration for the EX Series Switch188
Reverting to the EX Series Switch Factory-Default Configuration Using the Request System Zeroize Command189
Reverting to the EX Series Switch Factory-Default Configuration Using the Load Factory-Default Command189
Reverting to the Factory-Default Configuration Using the EX Series Switch LCD Panel191
Reverting to the Factory-Default Configuration Using the Factory Reset/Mode Button on EX2300, EX3400, and EX4300-48MP Switches191
Dashboard for EX Series Switches193
Field Description207
Front View207
Interface Status207
Rear View207
Management (Me0) Port207
Console Port207
USB Port207
In the Image, the Following Colors Denote the Interface Status207
Green-Interface Is up and Operational207
Yellow-Interface Is up but Is Nonoperational210
Gray-Interface Is down and Nonoperational210
Indicates the USB Port for the Switch211
Networks for Your EX Series Switch217
Maintaining Components225
Maintain Transceivers226
Remove a Transceiver226
Remove a QSFP28 Transceiver228
Install a Transceiver230
Install a QSFP28 Transceiver233
Maintain Fiber-Optic Cables235
Connect a Fiber-Optic Cable235
Disconnect a Fiber-Optic Cable236
How to Handle Fiber-Optic Cables237
Troubleshooting Hardware239
Troubleshooting EX2300 Components240
Understand Alarm Types and Severity Levels on EX Series Switches240
Chassis Component Alarm Conditions on EX2300 Switches242
Check Active Alarms with the J-Web Interface244
Monitor System Log Messages245
Troubleshooting Poe Voltage Injection Failure in EX2300, EX3400, or EX4300 Switch Models with Poe Capability252
Troubleshooting Storage Issues While Upgrading Junos os in EX2300 and EX3400 Switches253
Troubleshoot Temperature Alarms in EX Series Switches255
Contacting Customer Support and Returning the Chassis or Components262
Returning an EX2300 Switch or Component for Repair or Replacement263
Locating the Serial Number on an EX2300 Switch or Component264
Listing the Switch and Components Details with the CLI264
Locating the Chassis Serial Number ID Label on an EX2300 Switch266
Contact Customer Support to Obtain Return Material Authorization266
Packing an EX2300 Switch or Component for Shipping267
Packing a Switch for Shipping268
Packing Switch Components for Shipping268
General Safety Guidelines and Warnings272
Definitions of Safety Warning Levels273
Qualified Personnel Warning275
Warning Statement for Norway and Sweden275
Fire Safety Requirements276
Installation Instructions Warning277
Chassis and Component Lifting Guidelines278
Restricted Access Warning278
Ramp Warning280
Rack-Mounting and Cabinet-Mounting Warnings280
Grounded Equipment Warning284
Laser and LED Safety Guidelines and Warnings285
Radiation from Open Port Apertures Warning288
Maintenance and Operational Safety Guidelines and Warnings289
General Electrical Safety Guidelines and Warnings295
Action to Take after an Electrical Accident296
Prevention of Electrostatic Discharge Damage297
AC Power Electrical Safety Guidelines298
AC Power Disconnection Warning299
DC Power Electrical Safety Guidelines300
DC Power Disconnection Warning301
DC Power Grounding Requirements and Warning303
DC Power Wiring Sequence Warning303
DC Power Wiring Terminations Warning305
Multiple Power Supplies Disconnection Warning306
TN Power Warning307
Agency Approvals for EX Series Switches308
Compliance Statements for EMC Requirements for EX Series Switches309
Compliance Statements for Acoustic Noise for EX Series Switches314

Juniper EX2300 Series - Troubleshooting Hardware

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