Juniper EX4600

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CHAPTER

Troubleshoong Hardware

Troubleshoong the EX4600 Components | 121

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Table of Contents3
About this Guide9
Overview10
EX4600 System Overview11
EX4600 Switch Hardware Overview11
Gbe Ports13
EX4600 Switch Models14
Understanding Redundancy of EX4600 Switch Components and Functionality15
EX4600 Chassis16
Chassis Physical Specifications for an EX4600 Switch16
Field-Replaceable Units in an EX4600 Switch17
Port Panel of an EX4600 Switch18
Access Port and Uplink Port Leds on an EX4600 Switch19
Management Panel of an EX4600 Switch22
Chassis Status Leds on an EX4600 Switch25
Expansion Modules for the EX460027
Ex4600-Em-8F28
Qfx-Em-4Q29
EX4600 Cooling System30
Cooling System and Airflow in an EX4600 Switch30
Fan Module LED on an EX4600 Switch36
EX4600 Power System37
AC Power Supply in an EX4600 Switch37
AC Power Supply Leds on an EX4600 Switch40
AC Power Specifications for an EX4600 Switch41
AC Power Cord Specifications for an EX4600 Switch41
DC Power Supply in an EX4600 Switch43
DC Power Supply Leds in EX4600 Switches46
DC Power Specifications for an EX4600 Switch47
Grounding Cable and Lug Specifications for an EX4600 Switch48
Site Planning, Preparation, and Specifications50
Site Preparation Checklist for an EX4600 Switch51
EX4600 Site Guidelines and Requirements52
Environmental Requirements and Specifications for EX Series Switches53
General Site Guidelines59
Site Electrical Wiring Guidelines60
Rack Requirements for an EX4600 Switch61
Cabinet Requirements for an EX4600 Switch63
Clearance Requirements for Airflow and Hardware Maintenance for an EX4600 Switch65
EX4600 Network Cable and Transceiver Planning66
Determining Interface Support for an EX4600 Switch66
Cable Specifications for QSFP+ Transceivers on EX4600 Series Switches67
Network Cable Specifications for EX4600 Switches69
Overview of EX Series Switches: Fiber-Optic Cable Signal Loss, Attenuation, and Dispersion70
Calculate the Fiber-Optic Cable Power Budget for EX Series Devices72
Calculating the Fiber-Optic Cable Power Margin for EX Series Devices73
EX4600 Management Cable Specifications and Pinouts75
Cable Specifications for Console and Management Connections for the EX460075
USB Port Specifications for an EX Series Switch76
Console Port Connector Pinout Information77
RJ-45 Management Port Connector Pinout Information78
Initial Installation and Configuration79
Unpacking and Mounting an EX4600 Switch80
Installing and Connecting an EX4600 Switch80
Unpacking an EX4600 Switch81
Mounting an EX4600 Switch in a Rack or Cabinet82
Before You Begin Rack Installation83
Four Post Procedure84
Connecting the EX4600 to Power86
Connecting Earth Ground to an EX4600 Switch86
Connecting AC Power to an EX4600 Switch88
Connecting DC Power to an EX4600 Switch90
Connecting the EX4600 to Management Devices96
Connect a Device to a Network for Out-Of-Band Management96
Connect a Device to a Management Console Using an RJ-45 Connector97
Connecting EX4600 Switches in a Virtual Chassis98
Configuring Junos os on the EX4600100
Maintaining Components103
Maintaining the EX4600 Switch Cooling System104
Removing a Fan Module from an EX4600 Switch104
Installing a Fan Module in an EX4600 Switch105
Maintaining the EX4600 Switch Power System107
Removing a Power Supply from an EX4600 Switch107
Installing a Power Supply in an EX4600 Switch109
Maintaining the Expansion Module in an EX4600 Switch111
Removing an Expansion Module from an EX4600 Switch111
Installing an Expansion Module in an EX4600 Switch113
Maintain Transceivers115
Remove a Transceiver115
Install a Transceiver117
Maintain Fiber-Optic Cables120
Connect a Fiber-Optic Cable121
Disconnect a Fiber-Optic Cable122
How to Handle Fiber-Optic Cables122
Removing the EX4600 Switch123
Installing and Removing EX4600 Switch Hardware Components124
Powering off an EX4600 Switch124
Removing an EX4600 Switch from a Rack or Cabinet127
Troubleshooting Hardware129
Troubleshooting the EX4600 Components130
Understand Alarm Types and Severity Levels on EX Series Switches130
Interface Alarm Messages132
Creating an Emergency Boot Device132
Performing a Recovery Installation134
Contacting Customer Support and Returning the Chassis or Components136
Returning an EX4600 Chassis or Components137
Returning an EX4600 Switch or Component for Repair or Replacement137
Locating the Serial Number on an EX4600 Switch or Component138
Listing the Chassis and Component Details Using the CLI138
Locating the Chassis Serial Number ID Label on an EX4600 Switch140
Locating the Serial Number ID Labels on FRU Components140
Contact Customer Support to Obtain a Return Material Authorization141
Packing an EX4600 Switch or Component for Shipping142
Packing an EX4600 Switch for Shipping142
Packing EX4600 Switch Components for Shipping143
Safety and Compliance Information144
General Safety Guidelines and Warnings146
Definitions of Safety Warning Levels147
Qualified Personnel Warning149
Warning Statement for Norway and Sweden149
Fire Safety Requirements150
Installation Instructions Warning151
Chassis and Component Lifting Guidelines152
Restricted Access Warning152
Ramp Warning154
Rack-Mounting and Cabinet-Mounting Warnings154
Grounded Equipment Warning158
Laser and LED Safety Guidelines and Warnings159
Radiation from Open Port Apertures Warning162
Maintenance and Operational Safety Guidelines and Warnings163
General Electrical Safety Guidelines and Warnings169
Action to Take after an Electrical Accident170
Prevention of Electrostatic Discharge Damage171
AC Power Electrical Safety Guidelines172
AC Power Disconnection Warning173
DC Power Electrical Safety Guidelines174
DC Power Disconnection Warning175
DC Power Grounding Requirements and Warning177
DC Power Wiring Sequence Warning177
DC Power Wiring Terminations Warning179
Multiple Power Supplies Disconnection Warning180
TN Power Warning181
Agency Approvals for EX Series Switches182
Compliance Statements for EMC Requirements for EX Series Switches183
Compliance Statements for Acoustic Noise for EX Series Switches187
Statements of Volatility for Juniper Network Devices187

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