Juniper EX4600 Series - Troubleshooting

Juniper EX4600 Series

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PART 6

Troubleshooting

•

Restoring Junos OS on page 199

•

Returning Hardware on page 203

•

Alarm Messages on page 211

197Copyright © 2014, Juniper Networks, Inc.

Table of Contents

Default Chapter3
- Table of Contents3
- About the Documentation13
Chapter 1 EX4600 Overview21
- EX4600 Switch Hardware Overview21
- EX4600 Switch Models23
- EX4600 Overview23
- Table 3: EX4600 Switch Product Numbers23
- Field-Replaceable Units in an EX4600 Switch24
Chapter 2 Chassis27
- Chassis Physical Specifications for a EX4600 Switch27
- Management Panel of an EX4600 Switch27
- Table 5: Physical Specifications for the EX4600 Switch Chassis27
- Figure 3: EX4600 Switch, FRU End28
- Figure 4: Management Panel Components28
- Port Panel of an EX4600 Switch29
- Chassis29
- Cooling System and Airflow29
- Figure 5: EX4600 Switch Port Panel30
Chapter 3 Cooling System and Airflow31
- Cooling System and Airflow in an EX4600 Switch31
  - Fan Modules31
Chapter 4 Modules37
- Expansion Modules for the EX460037
Chapter 5 Power Supply41
- AC Power Supply in an EX4600 Switch41
- Figure 11: AC Power Supply in EX4600 Switches41
- Figure 12: Power Supply Handle Detail42
- Table 10: Airflow Direction in EX4600 and QFX5100 AC Power Supplies42
- DC Power Supply in an EX4600 Switch43
- Figure 13: DC Power Supply in EX4600 and QFX5100 Switches43
- Grounding Cable and Lug Specifications for an EX4600 Switch44
Chapter 6 Site Preparation49
- Site Preparation Checklist for an EX4600 Switch49
- Table 11: Site Preparation Checklist49
- General Site Guidelines50
- Site Electrical Wiring Guidelines51
- Table 12: Site Electrical Wiring Guidelines51
- Environmental Requirements and Specifications for EX Series Switches51
- Table51
- Environmental Requirements and Specifications for EX Series Switches53
- Table 13: EX Series Switch Environmental Tolerances53
Chapter 7 Rack and Cabinet Requirements57
- Rack Requirements for an EX4600 Switch57
- Table 14: Rack Requirements for the EX4600 Switch57
- EX4600 Switch57
- Switch57
- Cabinet Requirements for an EX4600 Switch58
- Clearance Requirements for Airflow and Hardware Maintenance for an EX4600 Switch58
Chapter 8 Port and Interface Specifications61
- USB Port Specifications for an EX Series Switch61
  - Ex460061
  - Table 16: Cable Specifications for Console and Management Connections for the QFX Series62
- Console Port Connector Pinout Information for an EX Series Switch63
- Table 17: EX Series Switches Console Port Connector Pinout Information63
- Interface Support for an EX4600 Switch64
- Interface Specifications for SFP+ DAC Cables for the EX4600 Switch78
- Interface Specifications for QSFP+ DAC Cables for the EX4600 Switch86
- Table 27: Interface Specifications for Passive Copper QSFP+ DAC Cables87
- Table 28: Interface Specifications for Active Copper QSFP+ DAC Cables89
Chapter 9 Cable Specifications91
- Network Cable Specifications for EX4600 Switches91
- Cable Specifications for Console and Management Connections for the EX460091
- Calculating the EX Series Switch Fiber-Optic Cable Power Budget94
- Calculating the EX Series Switch Fiber-Optic Cable Power Margin94
- Table 31: Estimated Values for Factors Causing Link Loss95
Chapter 10 Planning Power Requirements97
- AC Power Specifications for an EX4600 Switch97
- AC Power Cord Specifications for an EX4600 Switch97
- Table 32: AC Power Specifications for an EX4600 Switch97
- Table 33: AC Power Cord Specifications98
- DC Power Specifications for an EX4600 Switch99
- Table 34: DC Power Specifications for an EX4600 Switch99
Chapter 11 Compliance101
- Agency Approvals for EX Series Switches101
- Compliance Statements for EMC Requirements for EX Series Switches102
- Declaration of Conformity for EX4600 Switch106
Chapter 12 General Safety Information109
- General Safety Guidelines and Warnings109
- Definitions of Safety Warning Levels110
- Fire Safety Requirements112
- Qualified Personnel Warning113
- Warning Statement for Norway and Sweden114
Chapter 13 Radiation and Laser Warnings115
- Radiation from Open Port Apertures Warning115
- Laser and LED Safety Guidelines and Warnings for EX Series Switches116
Chapter 14 Installation and Maintenance Safety Information121
- Installation Instructions Warning121
- Chassis Lifting Guidelines for an EX4600 Switch123
- Installation Instructions Warning123
- Restricted Access Warning124
- Ramp Warning125
- Rack-Mounting and Cabinet-Mounting Warnings126
- Grounded Equipment Warning126
- Grounded Equipment Warning130
- Maintenance and Operational Safety Guidelines and Warnings131
Chapter 15 Power and Electrical Safety Information137
- General Electrical Safety Guidelines and Warnings137
- Prevention of Electrostatic Discharge Damage138
- Figure 17: Place a Component into an Antistatic Bag139
- AC Power Electrical Safety Guidelines140
- AC Power Disconnection Warning142
- DC Power Electrical Safety Guidelines143
- DC Power Disconnection Warning145
- DC Power Grounding Requirements and Warning147
- DC Power Wiring Sequence Warning148
- DC Power Wiring Terminations Warning149
- Multiple Power Supplies Disconnection Warning151
- TN Power Warning151
- Action to Take after an Electrical Accident152
Chapter 16 Installing the EX4600 Device157
- Installing and Connecting an EX4600 Switch157
- Unpacking an EX4600 Switch158
- Table 35: Inventory of Components Supplied with an EX4600 Switch158
- Mounting an EX4600 Switch in a Rack or Cabinet159
Chapter 17 Connecting the EX4600 Device163
- Connecting Earth Ground to an EX4600 Switch164
- Connecting AC Power to an EX4600 Switch165
- Figure 21: Connecting a Grounding Cable to an EX4600 Switch165
- Connecting DC Power to an EX4600 Switch167
- Figure 22: Connecting an AC Power Cord to an AC Power Supply in an EX4600167
- Figure 23: DC Power Supply Faceplate for an EX4600 Switch170
- Connecting an EX Series Switch to a Management Console171
- Figure 24: Securing Ring Lugs to the Terminals on the EX4600 DC Power171
- Figure 25: Ethernet Cable Connector171
- Connecting an EX4600 Switch to a Network for Out-Of-Band Management173
- Figure 26: Connecting an EX Series Switch to a Management Console through173
- Figure 27: Connecting an EX Series Switch Directly to a Management173
- Connecting EX4600 Switches in a Virtual Chassis174
- Figure 28: Connecting an EX4600 Switch to a Network for Out-Of-Band174
- Figure 29: Four Member Virtual Chassis with EX4600 Master and Backup175
Chapter 18 Performing Initial Configuration177
- Configuring an EX4600 Switch177
Chapter 19 Removing the Device181
- Powering off an EX4600 Switch181
- Removing an EX4600 Switch from a Rack or Cabinet183
Chapter 20 Replacing Components185
- Installing and Removing EX4600 Switch Hardware Components185
- Installing a Power Supply in an EX4600 Switch186
- Removing a Power Supply from an EX4600 Switch187
- Figure 30: Installing a Power Supply in an EX4600 Switch187
- Installing an Expansion Module in an EX4600 Switch189
- Figure 31: Removing a Power Supply from an EX4600 Switch189
- Figure 32: Installing a QFX4Q Expansion Module in an EX4600 Switch190
- Removing an Expansion Module from an EX4600 Switch191
- Installing a Fan Module in an EX4600 Switch192
- Figure 33: Removing a QFX-EM-4Q Expansion Module from an EX4600192
- Figure 34: Installing a Fan Module in an EX4600 Switch193
- Removing a Fan Module from an EX4600 Switch194
- Figure 35: Removing a Fan Module from an EX4600 Switch195
Chapter 21 Replacing Transceivers and Fiber-Optic Cables197
- Removing a Transceiver from an EX Series Switch197
- Figure 36: Removing a Transceiver from an EX Series Switch199
- Installing a Transceiver in an EX Series Switch200
- Disconnecting a Fiber-Optic Cable from an EX Series Switch201
- Figure 37: Installing a Transceiver in an EX Series Switch201
- Connecting a Fiber-Optic Cable to an EX Series Switch202
- Figure 38: Connecting a Fiber-Optic Cable to an Optical Transceiver Installed in203
Chapter 22 Routine Maintenance205
- Maintaining Fiber-Optic Cables in EX Series Switches205
Chapter 23 Viewing System Information207
- Chassis Status Leds on an EX4600 Switch207
- Figure 39: Chassis Status Leds on an EX4600 Switch207
- Management Port Leds on an EX4600 Switch208
- Table 36: Chassis Status Leds on an EX4600 Switch208
- Access Port and Uplink Port Leds on an EX4600 Switch209
- Figure 40: Management Port Leds on an EX4600 Switch209
- Table 37: Management Port Leds on an EX4600 Switch209
- Figure 41: Leds on the SFP+ Ports210
- Figure 42: Leds on the QSFP+ Ports210
- Table 38: Network Port Leds on SFP+ Ports on an EX4600 Switch210
- Table 39: Network Port Leds on QSFP+ Ports on an EX4600 Switch211
- Fan Module LED on an EX4600 Switch212
- AC Power Supply Leds on an EX4600 Switch212
- Figure 43: Fan Module LED in an EX4600 Switch212
- Table 40: Fan Tray LED in an EX4600 Switch212
- DC Power Supply Leds on an EX4600 Switch213
Chapter 24 Restoring Junos os217
- Creating an Emergency Boot Device217
- Performing a Recovery Installation219
Chapter 25 Returning Hardware221
- Returning an EX4600 Switch or Component for Repair or Replacement221
- Locating the Serial Number on an EX4600 Switch or Component221
- Packing an EX4600 Switch or Component for Shipping224
  - Packing an EX4600 Switch for Shipping224
  - Packing EX4600 Switch Components for Shipping225
- Contacting Customer Support to Obtain Return Materials Authorization for EX225
  - Series Switches225
Chapter 26 Alarm Messages229
- Understanding Alarms229
- Table 43: Alarm Terms and Definitions229
- Interface Alarm Messages230

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