Juniper EX4200

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PART 5

Troubleshooting

•

Alarms and Syslog Messages on page 255

•

Troubleshooting Switch Components on page 261

253Copyright © 2015, Juniper Networks, Inc.

Table of Contents

Default Chapter3
- Table of Contents3
- About the Documentation17
- Chassis Components and Descriptions23
  - System Overview23
- Overview23
Chapter 1 System Overview25
- System Overview25
  - EX4200 Switches Hardware Overview25
    - EX4200 Switches25
    - Switches25
- Power over Ethernet Ports26
- Uplink Modules26
- EX4200 Switch Models27
- Table 3: EX4200 Switch Models27
- EX4200 Switch Hardware and CLI Terminology Mapping28
- Table 4: CLI Equivalents of Terms Used in Documentation for EX420029
Chapter 2 Chassis Components and Descriptions31
- Chassis Physical Specifications for EX4200 Switches31
- Table 5: Physical Specifications of the Switch Chassis31
- Field-Replaceable Units in EX4200 Switches32
- Front Panel of an EX4200 Switch33
- Figure 1: EX4200 Switch with 48 Gigabit Ethernet Ports33
- Figure 2: EX4200 Switch with 24 Gigabit Ethernet Ports33
- Chassis Components and Descriptions33
- Rear Panel of an EX4200 Switch34
- Figure 3: EX4200-24F Switch with 24 SFP Ports34
- LCD Panel in EX4200 Switches35
- Uplink Modules in EX4200 Switches40
- Chassis Status Leds in EX4200 Switches43
- Figure 8: XFP Uplink Module43
- Figure 9: Chassis Status Leds in an EX4200 Switch44
- Table 7: Chassis Status Leds in an EX4200 Switch44
- Management Port Leds in EX4200 Switches45
- Network Port Leds in EX4200 Switches46
Chapter 3 Cooling System and Airflow53
- Cooling System and Airflow in an EX4200 Switch53
Chapter 4 Power Supplies55
- AC Power Supplies56
- Figure 17: 320 W AC Power Supply56
- DC Power Supplies57
- Figure 18: 600 W and 930 W AC Power Supplies57
- Power Supplies57
- Poe Power Budget and AC Power Supplies58
- Figure 19: DC Power Supply58
- Table 12: Power Supply Rating and Poe Power Budget for EX4200 Switch58
- AC Power Supply Leds in EX4200 Switches59
- Table 13: AC Power Supply Leds59
- DC Power Supply Leds in EX4200 Switches60
- Table 14: DC Power Supply Leds60
- Power Supplies55
  - Power Supply in EX4200 Switches55
Chapter 5 Viewing System Information61
- Dashboard for EX Series Switches61
- Site Planning, Preparation, and Specifications81
  - Preparation Overview81
Chapter 6 Preparation Overview83
- Environmental Requirements and Specifications for EX Series Switches85
- Table 31: EX Series Switch Environmental Tolerances85
- General Site Guidelines88
- Site Electrical Wiring Guidelines89
- Table 32: Site Electrical Wiring Guidelines89
- Rack Requirements for EX4200 Switches91
- Table 33: Rack Requirements and Specifications for the Switch91
- Cabinet Requirements for EX4200 Switches92
- Table 34: Cabinet Requirements and Specifications for the Switch92
- Requirements for Mounting an EX4200 Switch on a Desktop or Wall93
- Preparation Overview83
  - Site Preparation Checklist for EX4200 Switches83
  - Table 30: Site Preparation Checklist83
Chapter 7 Power Specifications and Requirements97
- AC Power Cord Specifications for EX4200 Switches98
- Figure 22: AC Plug Types99
- Table 37: AC Power Cord Specifications99
- Calculating the EX Series Switch Fiber-Optic Cable Power Budget100
- Calculating the EX Series Switch Fiber-Optic Cable Power Margin100
- Power Specifications and Requirements101
- Table 38: Estimated Values for Factors Causing Link Loss101
- Power Specifications and Requirements97
Chapter 8 Transceiver and Cable Specifications103
- Pluggable Transceivers Supported on EX4200 Switches103
- Transceiver and Cable Specifications105
- Table 39: Optical Interface Support and Copper Interface Support for Gigabit Ethernet SFP Transceivers in EX4200 Switches105
- Table 40: Optical Interface Support for Fast Ethernet SFP Transceivers in EX4200124
- Table 41: Optical Interface Support for Gigabit Ethernet SFP+ Transceivers in130
- Table 42: Optical Interface Support for Gigabit Ethernet XFP Transceivers in135
- SFP+ Direct Attach Cables for EX Series Switches140
- Network Cable Specifications for EX4200 Switches144
- Understanding EX Series Switches Fiber-Optic Cable Signal Loss, Attenuation145
Chapter 9 Pinout Specifications147
- USB Port Specifications for an EX Series Switch148
- Management Port Connector Pinout Information for an EX4200 Switch149
- Table 46: Management Port Connector Pinout Information149
- Network Port Connector Pinout Information for an EX4200 Switch150
- Table 47: Network Port Connector Pinout Information150
- RJ-45 to DB-9 Serial Port Adapter Pinout Information for a Switch151
- Table 48: RJ-45 to DB-9 Serial Port Adapter Pinout Information151
- Uplink Modules Connector Pinout Information for EX4200 Switches152
- Table 49: Uplink Modules Connector Pinout Information152
- Virtual Chassis Ports Connector Pinout Information for EX4200 Switches160
- Table 50: Virtual Chassis Ports (Vcps) Connector Pinout Information160
- Pinout Specifications147
  - Console Port Connector Pinout Information for an EX Series Switch147
  - Table 45: EX Series Switches Console Port Connector Pinout Information147
Chapter 10 Planning the Virtual Chassis165
- Understanding EX4200, EX4500, and EX4550 Virtual Chassis Hardware165
- Planning EX4200, EX4500, and EX4550 Virtual Chassis168
- Table 55: Virtual Chassis Components to Consider When Planning an EX4200, EX4500, and EX4550 Virtual Chassis168
- Table 56: Cabling Requirements for a Virtual Chassis169
- Virtual Chassis Cabling Configuration Examples for EX4200 Switches170
- Initial Installation and Configuration173
Chapter 11 Unpacking the Switch175
- Unpacking an EX4200 Switch175
- Parts Inventory (Packing List) for an EX4200 Switch176
- Figure 29: Unpacking an EX4200 Switch176
- Table 57: Packing List for an EX4200 Switch177
- Registering Products-Mandatory for Validating Slas178
Chapter 12 Installing the Switch179
- Installing and Connecting an EX4200 Switch179
- Mounting an EX4200 Switch180
- Mounting an EX4200 Switch on a Desk or Other Level Surface181
- Mounting an EX4200 Switch on Two Posts in a Rack or Cabinet182
- Figure 30: Attaching Rubber Feet to an EX4200 Switch Chassis182
- Figure 31: Attaching the Mounting Bracket to the Side Panel of the Switch183
- Figure 32: Mounting the Switch on Two Posts in a Rack184
- Mounting an EX4200 Switch on Four Posts in a Rack or Cabinet185
- Figure 33: Attaching the Front-Mounting Bracket to the Side Mounting-Rail186
- Figure 34: Attaching the Side Mounting-Rail to the Switch Chassis187
- Figure 35: Mounting the Switch to the Front Posts in a Rack187
- Mounting an EX4200 Switch in a Recessed Position in a Rack or Cabinet188
- Figure 36: Sliding the Rear Mounting-Blades into the Side-Mounting Rail188
- Mounting an EX4200 Switch on a Wall189
- Figure 37: Attaching Wall-Mount Brackets to the Switch Chassis190
- Installing and Removing EX4200 Switch Hardware Components191
- Figure 38: Mounting the Switch on a Wall191
Chapter 13 Connecting the Switch to Power193
- Connecting Earth Ground to an EX Series Switch193
Chapter 14 Switch196
- Table 59: Special Instructions to Follow before Connecting Earth Ground to a196
- Figure 39: Connecting the Grounding Lug to a Switch Mounted on Four Posts of197
- Connecting AC Power to an EX4200 Switch199
- Connecting DC Power to an EX4200 Switch201
- Figure 41: Connecting the AC Power Cord Retainer Clip to an AC Power Supply in an EX4200 Switch201
- Figure 42: Connecting an AC Power Cord to an AC Power Supply in an EX4200201
- Figure 43: DC Power Supply in an EX4200 Switch201
- Figure 44: Removing the Terminal Block Cover from a DC Power Supply203
- Figure 45: Securing Ring Lugs to the Terminals on the DC Power Supply204
- Connecting the Switch to the Network207
Chapter 15 Performing Initial Configuration213
- EX4200 Default Configuration213
- Connecting and Configuring an EX Series Switch (CLI Procedure)217
- Connecting and Configuring an EX Series Switch (J-Web Procedure)220
- Figure 52: LCD Panel in an EX3200, EX4200, EX4500, EX4550, or EX8200221
- Figure 53: LCD Panel in an EX4300 Switch221
- Configuring the LCD Panel on EX Series Switches (CLI Procedure)223
Chapter 16 Replacing Cooling System Component229
- Installing a Fan Tray in an EX4200 Switch229
- Removing a Fan Tray from an EX4200 Switch230
- Figure 54: Installing a Fan Tray in an EX4200 Switch230
- Figure 55: Removing a Fan Tray from an EX4200 Switch231
Chapter 17 Replacing Power Supply233
- Installing a Power Supply in an EX4200 Switch233
- Figure 56: Installing a Power Supply in an EX4200 Switch234
- Removing a Power Supply from an EX4200 Switch235
- Figure 57: Removing a Power Supply from the Switch236
Chapter 18 Replacing Uplink Module237
- Installing an Uplink Module in an EX4200 Switch237
- Removing an Uplink Module from an EX4200 Switch239
- Figure 58: Installing an Uplink Module in an EX4200 Switch239
- Figure 59: Sliding the Screwdriver to the Narrow Part of the Keyhole241
- Figure 60: Removing an Uplink Module from an EX4200 Switch241
Chapter 19 Replacing Transceiver243
- Removing a Transceiver from a Switch245
- Figure 61: Installing a Transceiver in an EX Series Switch245
- Figure 62: Removing a Transceiver from a Switch247
- Replacing Transceiver243
  - Installing a Transceiver in an EX Series Switch243
Chapter 20 Maintaining and Replacing Fiber-Optic Cable249
- Connecting a Fiber-Optic Cable to a Switch249
- Disconnecting a Fiber-Optic Cable from a Switch250
- Figure 63: Connecting a Fiber-Optic Cable to an Optical Transceiver Installed in250
- Maintaining Fiber-Optic Cables in Switches251
Chapter 21 Replacing a Member Switch to Virtual Chassis253
- Adding a New EX4200 Switch to an Existing EX4200 Virtual Chassis253
Chapter 22 Chassis255
- Replacing a Member Switch of a Virtual Chassis Configuration258
- Maintaining and Replacing Virtual Chassis Cable263
Chapter 23 Contactingcustomer Supportandreturningthe Chassisor267
- Components267
- Returning an EX4200 Switch or Component for Repair or Replacement267
- Locating the Serial Number on an EX4200 Switch or Component268
- Packing an EX4200 Switch or Component for Shipping271
  - Packing an EX4200 Switch for Shipping272
  - Packing EX4200 Switch Components for Shipping273
- Part 5 Troubleshooting275
- Troubleshooting275
Chapter 24 Alarms and Syslog Messages277
- Understanding Alarm Types and Severity Levels on EX Series Switches277
- Table 60: Alarm Terms277
- Checking Active Alarms with the J-Web Interface278
- Monitoring System Log Messages279
- Table 61: Summary of Key Alarm Output Fields279
- Table 62: Filtering System Log Messages280
- Table 63: Viewing System Log Messages281
Chapter 25 Troubleshooting Switch Components283
- Troubleshooting Network Interfaces on EX4200 Switches283
  - The Interface on the Port in Which an SFP or SFP+ Transceiver Is Installed Is down283
- Troubleshooting Virtual Chassis Port Connectivity on an EX4200 Switch284
  - Virtual Chassis Port (VCP) Connection Does Not Work284
- Troubleshooting Power Supply Installation Alarms on EX4200 Switches284
- The Switch Displays the "Unsupported PSU" Alarm284
- Safety and Compliance Information287
Chapter 26 General Safety Guidelines and Warnings289
- Definitions of Safety Warning Levels290
- Qualified Personnel Warning292
- Warning Statement for Norway and Sweden293
Chapter 27 Fire Safety Requirements295
- Fire Safety Requirements295
Chapter 28 Installation Safety Guidelines and Warnings297
- Installation Instructions Warning297
- Chassis Lifting Guidelines for EX4200 Switches299
- Restricted Access Warning300
- Ramp Warning301
- Rack-Mounting and Cabinet-Mounting Warnings302
- Wall-Mounting Warning for EX4200 Switches306
- Grounded Equipment Warning306
Chapter 29 Radiation and Laser Safety Guidelines and Warnings309
- Laser and LED Safety Guidelines and Warnings for Switches309
- Radiation from Open Port Apertures Warning312
Chapter 30 Maintenance and Operational Safety Warnings315
- Maintenance and Operational Safety Guidelines and Warnings315
Chapter 31 Electrical Safety Guidelines and Warnings321
- General Electrical Safety Guidelines and Warnings321
- Action to Take after an Electrical Accident322
- Prevention of Electrostatic Discharge Damage323
- Figure 67: Placing a Component into an Antistatic Bag324
- AC Power Electrical Safety Guidelines325
- AC Power Disconnection Warning327
- DC Power Electrical Safety Guidelines328
- DC Power Disconnection Warning330
- DC Power Grounding Requirements and Warning331
- DC Power Wiring Sequence Warning332
- DC Power Wiring Terminations Warning334
- Multiple Power Supplies Disconnection Warning336
- TN Power Warning336
Chapter 32 Agency Approvals and Compliance Statements339
- Agency Approvals for EX Series Switches339
- Compliance Statements for EMC Requirements for EX Series Switches340
- Compliance Statements for Acoustic Noise for EX Series Switches344

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