Juniper EX4100

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CHAPTER

Troubleshoot Hardware

Troubleshoot the EX4100 and EX4100-F Components | 201

Main Page

Table of Contents3
About this Guide9
Overview10
EX4100 and EX4100-F System Overview11
EX4100 and EX4100-F Switches Hardware Overview11
Benefits of the EX4100 and EX4100-F Switch12
System Software13
Components on the Front and Rear Panels of EX4100 and EX4100-F Switches13
Uplink Ports28
Virtual Chassis28
Power over Ethernet Ports29
EX4100 and EX4100-F Cooling System29
EX4100 and EX4100-F Power System29
EX4100 and EX4100-F Switch Models30
EX4100 and EX4100-F Switch Hardware and CLI Terminology Mapping36
Chassis Physical Specifications for EX4100 and EX4100-F Switches45
Acoustic Noise Measurements Sound Pressure (ISO 7779) for EX4100 and EX4100-F Switches47
Field-Replaceable Units in EX4100 Switches48
EX4100 and EX4100-F Chassis49
Chassis Status Leds on EX4100 and EX4100-F Switches50
Leds on the Management Port on EX4100 and EX4100-F Switches56
Leds on the RJ-45 Network Ports, Virtual Chassis Ports, and Uplink Ports on EX4100 and EX4100-F Switches57
Cooling System and Airflow in an EX4100 and EX4100-F Switch62
EX4100 and EX4100-F Power System77
AC Power Supply in EX4100 and EX4100-F Switches77
DC Power Supply in EX4100 Switches87
Power Supply Leds in EX4100 Switches90
Site Planning, Preparation, and Specifications93
Site Preparation Checklist for EX4100 and EX4100-F Switches94
EX4100 and EX4100-F Site Guidelines and Requirements96
Environmental Requirements and Specifications for EX4100 and EX4100-F Switches97
General Site Guidelines98
Site Electrical Wiring Guidelines98
Rack Requirements99
Cabinet Requirements101
Clearance Requirements for Airflow and Hardware Maintenance for EX4100 and EX4100-F Switches102
EX4100 and EX4100-F Network Cable and Transceiver Planning110
Pluggable Transceivers and Cables Supported on EX4100 and EX4100-F Switches110
SFP+ Direct Attach Copper Cables for EX Series Switches111
Overview of EX Series Switches: Fiber-Optic Cable Signal Loss, Attenuation, and Dispersion114
Calculate the Fiber-Optic Cable Power Budget for EX Series Devices115
Calculating the Fiber-Optic Cable Power Margin for EX Series Devices116
EX4100 and EX4100-F Management Cable Specifications and Pinouts118
Management Cable Specifications118
Console Port Connector Pinout Information119
USB Port Specifications for an EX Series Switch120
RJ-45 Management Port Connector Pinout Information121
RJ-45 Port, SFP Port, and SFP+ Port Connector Pinouts121
RJ-45 to DB-9 Serial Port Adapter Pinout Information125
Initial Installation and Configuration127
Unpack and Mount an EX4100 and EX4100-F Switch128
Unpack the EX4100 and EX4100-F Switch128
Packing List for an EX4100 and EX4100-F Switch129
Register Products-Mandatory to Validate Slas132
Mount an EX4100 and EX4100-F Switch on Two Posts in a Rack or Cabinet132
Mount an EX4100 and EX4100-F Switch on Four Posts in a Rack or Cabinet135
Mount an EX4100 and EX4100-F Switch in a Recessed Position in a Rack or Cabinet139
Mount an EX4100 and EX4100-F Switch on a Wall142
Connect the EX4100 and EX4100-F to Power145
Connect Earth Ground to an EX4100 and EX4100-F Switch146
Connect AC Power to an EX4100 and EX4100-F Switch148
Connect DC Power to an EX4100 Switch151
Connect the EX4100 and EX4100-F Switch to External Devices153
Connect a Device to a Network for Out-Of-Band Management154
Connect a Device to a Management Console Using an RJ-45 Connector155
Connect an EX4100 and EX4100-F Switch to a Management Console Using the USB Type C Console Port156
Connect the EX4100 and EX4100-F Switch to the Network158
Install a Transceiver158
Connect a Fiber-Optic Cable161
Configure Junos os on an EX4100 and EX4100-F Switch162
EX4100 and EX4100-F Default Configuration163
Connect and Configure an EX4100 and EX4100-F Switch179
Revert to the Default Factory Configuration on an EX Series Switch184
Zeroize Command185
Revert to the EX Series Switch Factory-Default Configuration Using the Load Factory- Default Command185
Revert to the Factory-Default Configuration Using the Factory Reset/Port Mode Button186
Maintain Components188
Maintain the EX4100 Cooling System189
Install a Fan Module in an EX4100 Switch189
Remove a Fan Module from an EX4100 Switch191
Maintain the EX4100 Power System192
Install an AC Power Supply in an EX4100 Switch193
Remove an AC Power Supply from an EX4100 Switch194
Install a DC Power Supply in an EX4100 Switch196
Remove a DC Power Supply from an EX4100 Switch197
Maintain Transceivers199
Remove a Transceiver199
Install a Transceiver202
Maintain Fiber-Optic Cables205
Connect a Fiber-Optic Cable205
Disconnect a Fiber-Optic Cable206
How to Handle Fiber-Optic Cables207
Troubleshoot Hardware209
Troubleshoot the EX4100 and EX4100-F Components210
Chassis Component Alarm Conditions on EX4100 and EX4100-F Switches210
Troubleshoot Temperature Alarms in EX Series Switches213
Contact Customer Support and Return the Chassis or Components220
Contacting Customer Support221
Return an EX4100 and EX4100-F Chassis or Components222
How to Return an EX4100 and EX4100-F Switch or EX4100 Component for Repair or Replacement222
Locate the Serial Number on an EX4100 and EX4100-F Switch or EX4100 Component223
List the Switch and Components Details with the CLI224
Locate the Chassis Serial Number ID Label on an EX4100 and EX4100-F Switch229
Locate the Serial Number ID Labels on Frus in an EX4100 Switch230
Contact Customer Support to Obtain a Return Material Authorization232
Pack an EX4100 and EX4100-F Switch or EX4100 Component for Shipping233
Pack an EX4100 and EX4100-F Switch for Shipping234
Pack EX4100 Switch Components for Shipping235
Safety and Compliance Information236
General Safety Guidelines and Warnings238
Definitions of Safety Warning Levels239
Qualified Personnel Warning241
Warning Statement for Norway and Sweden241
Fire Safety Requirements242
Installation Instructions Warning243
Chassis and Component Lifting Guidelines244
Restricted Access Warning244
Ramp Warning246
Rack-Mounting and Cabinet-Mounting Warnings246
Grounded Equipment Warning250
Radiation from Open Port Apertures Warning251
Laser and LED Safety Guidelines and Warnings252
Maintenance and Operational Safety Guidelines and Warnings255
General Electrical Safety Guidelines and Warnings261
Action to Take after an Electrical Accident262
Prevention of Electrostatic Discharge Damage263
AC Power Electrical Safety Guidelines264
AC Power Disconnection Warning265
DC Power Electrical Safety Guidelines266
DC Power Disconnection Warning267
DC Power Grounding Requirements and Warning269
DC Power Wiring Sequence Warning269
DC Power Wiring Terminations Warning271
Multiple Power Supplies Disconnection Warning272
TN Power Warning273
Agency Approvals for EX Series Switches274
Compliance Statements for EMC Requirements for EX Series Switches275
Compliance Statements for Acoustic Noise for EX Series Switches279
Statements of Volatility for Juniper Network Devices279

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