Name: Juniper EX4550
Brand: Juniper
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PART 5

Troubleshooting

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Alarms and Syslog Messages on page 245

Default Chapter3
- Table of Contents3
- About the Documentation17
- Overview23
  - System Overview23
  - Cooling System and Airflow23
Chapter 1 System Overview25
- System Overview25
  - EX4550 Switches Hardware Overview25
- EX4550 Switches First View26
- Software26
- Optional Modules27
- System Overview27
Chapter 2 Chassis Components and Descriptions39
- Chassis Physical Specifications for EX4550 Switches39
- Table 6: Physical Specifications of the EX4550 Switch Chassis39
- Field-Replaceable Units in EX4550 Switches40
- LCD Panel in EX4550 Switches41
  - LCD Panel Modes41
- Chassis Components and Descriptions41
Chapter 3 Cooling System and Airflow57
- Cooling System and Airflow in an EX4550 Switch57
Chapter 4 Power Supplies63
- Power Supplies63
Chapter 5 Viewing System Information71
- Dashboard for EX Series Switches71
- Site Planning, Preparation, and Specifications91
Chapter 6 Preparation Overview93
- Environmental Requirements and Specifications for EX Series Switches94
- Table 40: EX Series Switch Environmental Tolerances95
- General Site Guidelines98
- Site Electrical Wiring Guidelines99
- Table 41: Site Electrical Wiring Guidelines99
- Chassis Physical Specifications for EX4550 Switches101
- Rack Requirements for EX4550 Switches101
- Table 42: Physical Specifications of the EX4550 Switch Chassis101
- Cabinet Requirements for EX4550 Switches102
- Table 43: Rack Requirements and Specifications for the Switch102
- Clearance Requirements for Airflow and Hardware Maintenance for EX4550103
- Preparation Overview93
  - Site Preparation Checklist for EX4550 Switches93
  - Table 39: Site Preparation Checklist93
Chapter 7 Power Specifications and Requirements107
- AC Power Supply Specifications for EX4550 Switches107
- Table 45: AC Power Supply Specifications for an EX4550 Switch107
- AC Power Cord Specifications for an EX4550 Switch108
- Table 46: AC Power Cord Specifications for an EX4550 Switch108
- DC Power Supply Specifications for EX4550 Switches110
- Table 47: DC Power Supply Specifications for an EX4550 Switch110
- Calculating the EX Series Switch Fiber-Optic Cable Power Budget111
- Calculating the EX Series Switch Fiber-Optic Cable Power Margin111
- Table 48: Estimated Values for Factors Causing Link Loss112
- Table112
Chapter 8 Transceiver and Cable Specifications115
- Pluggable Transceivers Supported on EX4550 Switches115
- Table 49: Optical Interface Support and Copper Interface Support for 1-Gigabit117
- Table 50: Optical Interface Support for 10-Gigabit SFP+ Transceivers in EX4550124
- Table 51: Optical Interface Support for 40-Gigabit QSFP+ Transceivers in EX4550130
- SFP+ Direct Attach Cables for EX Series Switches132
- QSFP+ Direct Attach Cables for EX Series Switches136
- Network Cable Specifications for EX4550 Switches140
- Table 56: Cable Specification for 10GBASE-T Network Ports and 10GBASE-T141
- Table 57: Cable Specifications for Switch-To-Management-Device141
- Understanding EX Series Switches Fiber-Optic Cable Signal Loss, Attenuation142
Chapter 9 Pinout Specifications145
- Mini-USB Port Specifications for an EX4550 Switch146
- USB Port Specifications for an EX Series Switch147
- Figure 35: Front Panel of an EX4550-32F Switch147
- Table 59: Mini-USB Type-B Console Port Pinout Information for EX4550147
- Management Port Connector Pinout Information for an EX4550 Switch148
- RJ-45 to DB-9 Serial Port Adapter Pinout Information for a Switch153
- Virtual Chassis Port Connector Pinout Information for EX4550 Switches153
- Table 64: RJ-45 to DB-9 Serial Port Adapter Pinout Information153
- Table 65: Virtual Chassis Ports (Vcps) Connector Pinout Information154
- Pinout Specifications145
  - Console Port Connector Pinout Information for an EX Series Switch145
  - Table 58: EX Series Switches Console Port Connector Pinout Information145
Chapter 10 Planning the Virtual Chassis157
- Understanding EX4200, EX4500, and EX4550 Virtual Chassis Hardware157
- Planning EX4200, EX4500, and EX4550 Virtual Chassis160
- Table 70: Virtual Chassis Components to Consider When Planning an EX4200, EX4500, and EX4550 Virtual Chassis160
- Table 71: Cabling Requirements for a Virtual Chassis161
- Initial Installation and Configuration163
Chapter 11 Unpacking the Switch165
- Unpacking an EX4500 Switch165
- Parts Inventory (Packing List) for an EX4500 Switch165
- Table 72: Inventory of Components Provided with an EX4500 Switch166
- Registering Products-Mandatory for Validating Slas167
Chapter 12 Installing the Switch169
- Installing and Connecting an EX4550 Switch169
- Mounting an EX4550 Switch170
- Mounting an EX4550 Switch on Two Posts in a Rack or Cabinet170
- Figure 36: Attaching the Mounting Bracket to the Side Panel of the Switch172
- Figure 37: Mounting the Switch on Two Posts in a Rack172
- Mounting an EX4550 Switch on Four Posts in a Rack or Cabinet173
- Figure 38: Attaching the Front Mount Bracket to the Side Mounting-Rail175
- Figure 39: Attaching the Side Mounting-Rail to the Switch Chassis175
- Figure 40: Mounting the Switch to the Front Posts in a Rack176
- Figure 41: Sliding the Rear Mounting-Blade into the Side Mounting-Rail176
- Mounting an EX4550 Switch in a Recessed Position in a Rack or Cabinet177
- Installing and Removing EX4550 Switch Hardware Components177
Chapter 13 Connecting the Switch to Power179
- Connecting Earth Ground to an EX Series Switch179
Chapter 14 Switch182
- Table 74: Special Instructions to Follow before Connecting Earth Ground to a182
- Figure 42: Connecting the Grounding Lug to a Switch Mounted on Four Posts of183
- Connecting AC Power to an EX4550 Switch185
  - Figure 44: Connecting an AC Power Cord to an AC Power Supply in an EX4550186
  - Switch186
- Connecting DC Power to an EX4550 Switch187
- Figure 45: DC Power Supply Faceplate for an EX4550 Switch190
- Figure 46: Securing Ring Lugs to the Terminals on the DC Power Supply190
- Connecting the Switch to the Network191
Chapter 15 Performing Initial Configuration199
- EX4550 Default Configuration199
- Connecting and Configuring an EX Series Switch (CLI Procedure)209
- Connecting and Configuring an EX Series Switch (J-Web Procedure)212
- Figure 53: LCD Panel in an EX3200, EX4200, EX4500, EX4550, or EX8200213
- Figure 54: LCD Panel in an EX4300 Switch213
- Configuring the LCD Panel on EX Series Switches (CLI Procedure)215
  - Disabling or Enabling Menus and Menu Options on the LCD Panel216
  - Configuring a Custom Display Message216
- Installing, Maintaining, and Replacing Components219
Chapter 16 Replacing Cooling System Component221
- Installing a Fan Module in an EX4550 Switch221
- Removing a Fan Module from an EX4550 Switch222
- Figure 55: Installing a Fan Module in an EX4550 Switch222
- Figure 56: Removing a Fan Module from an EX4550 Switch223
Chapter 17 Replacing Power Supply225
- Installing an AC Power Supply in an EX4550 Switch225
- Removing an AC Power Supply from an EX4550 Switch226
- Figure 57: Installing an AC Power Supply in an EX4550 Switch226
- Figure 58: Removing an AC Power Supply from an EX4550 Switch227
- Installing a DC Power Supply in an EX4550 Switch228
- Removing a DC Power Supply from an EX4550 Switch229
- Figure 59: Installing a DC Power Supply in an EX4550 Switch229
- Figure 60: Removing a DC Power Supply from an EX4550 Switch230
Chapter 18 Replacing Expansion Module231
- Installing an Expansion Module in an EX4550 Switch231
- Figure 61: Installing an SFP+ Expansion Module in an EX4550-32F Switch232
- Removing an Expansion Module from an EX4550 Switch233
- Figure 62: Installing a 10GBASE-T Expansion Module in an EX4550-32T233
- Figure 63: Installing a QSFP+ Expansion Module in an EX4550-32T Switch233
- Figure 64: Removing an SFP+ Expansion Module from an EX4550-32F234
- Figure 65: Removing a 10GBASE-T Expansion Module from an EX4550-32T235
- Figure 66: Removing a QSFP+ Expansion Module from an EX4550-32T235
- Switch235
Chapter 19 Replacing Transceiver237
- Removing a Transceiver from a Switch239
- Figure 67: Installing a Transceiver in an EX Series Switch239
- Figure 68: Removing a Transceiver from a Switch241
- Replacing Transceiver237
  - Installing a Transceiver in an EX Series Switch237
Chapter 20 Maintaining and Replacing Fiber-Optic Cable243
- Connecting a Fiber-Optic Cable to a Switch243
- Disconnecting a Fiber-Optic Cable from a Switch244
- Figure 69: Connecting a Fiber-Optic Cable to an Optical Transceiver Installed244
- Maintaining Fiber-Optic Cables in Switches245
Chapter 21 Replacing Virtual Chassis Module247
- Installing a Virtual Chassis Module in an EX4550 Switch247
- Removing a Virtual Chassis Module from an EX4550 Switch248
- Figure 70: Installing the Virtual Chassis Module in an EX4550 Switch248
- Figure 71: Removing the Virtual Chassis Module from an EX4550 Switch249
Chapter 22 Maintaining and Replacing Virtual Chassis Cable251
- Connecting a Virtual Chassis Cable to an EX4550 Switch251
- Disconnecting a Virtual Chassis Cable from an EX4550 Switch252
- Figure 72: Connecting a Virtual Chassis Cable to a Dedicated VCP on a Virtual252
- Figure 73: Disconnecting a Virtual Chassis Cable from a Dedicated VCP on a Virtual Chassis Module252
Chapter 23 Contactingcustomer Supportandreturningthe Chassisor255
- Components255
- Returning an EX4550 Switch or Component for Repair or Replacement255
- Locating the Serial Number on an EX4550 Switch or Component256
- Packing an EX4550 Switch or Component for Shipping262
  - Packing an EX4550 Switch for Shipping262
  - Packing EX4550 Switch Components for Shipping264
- Part 5 Troubleshooting265
- Troubleshooting265
Chapter 24 Alarms and Syslog Messages267
- Understanding Alarm Types and Severity Levels on EX Series Switches267
- Table 75: Alarm Terms267
- Checking Active Alarms with the J-Web Interface268
- Monitoring System Log Messages269
- Table 76: Summary of Key Alarm Output Fields269
- Table 77: Filtering System Log Messages270
- Table 78: Viewing System Log Messages271
- Safety and Compliance Information273
Chapter 25 General Safety Guidelines and Warnings275
- Definitions of Safety Warning Levels276
- Qualified Personnel Warning278
- Warning Statement for Norway and Sweden279
Chapter 26 Fire Safety Requirements281
Chapter 27 Installation Safety Guidelines and Warnings283
- Installation Instructions Warning283
- Chassis Lifting Guidelines for EX4550 Switches285
- Restricted Access Warning286
- Ramp Warning287
- Rack-Mounting and Cabinet-Mounting Warnings288
- Grounded Equipment Warning292
Chapter 28 Radiation and Laser Safety Guidelines and Warnings295
- Laser and LED Safety Guidelines and Warnings for Switches295
- Radiation from Open Port Apertures Warning298
Chapter 29 Maintenance and Operational Safety Warnings301
- Maintenance and Operational Safety Guidelines and Warnings301
Chapter 30 Electrical Safety Guidelines and Warnings307
- General Electrical Safety Guidelines and Warnings307
- Action to Take after an Electrical Accident308
- Prevention of Electrostatic Discharge Damage309
- AC Power Electrical Safety Guidelines311
- AC Power Disconnection Warning313
- DC Power Electrical Safety Guidelines314
- DC Power Disconnection Warning316
- DC Power Grounding Requirements and Warning317
- DC Power Wiring Sequence Warning318
- DC Power Wiring Terminations Warning320
- Multiple Power Supplies Disconnection Warning322
- TN Power Warning322
Chapter 31 Agency Approvals and Compliance Statements325
- Agency Approvals for EX Series Switches325
- Compliance Statements for EMC Requirements for EX Series Switches326
- Compliance Statements for Acoustic Noise for EX Series Switches330

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Juniper EX4550 Hardware Guide

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