Juniper EX4200-24T

Juniper EX4200-24T

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PART 5

Troubleshooting

•

Alarms and Syslog Messages on page 225

•

Troubleshooting Switch Components on page 237

223Copyright © 2017, 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
- EX4200 Switches Hardware Overview25
- 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
- Power Supply in EX4200 Switches55
- 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
Chapter 5 Viewing System Information61
- Dashboard for EX Series Switches61
- Site Planning, Preparation, and Specifications81
  - Preparation Overview81
  - Transceiver and Cable Specifications81
Chapter 6 Preparation Overview83
- Preparation Overview83
  - Site Preparation Checklist for EX4200 Switches83
  - Table 31: Site Preparation Checklist83
- Environmental Requirements and Specifications for EX Series Switches84
- Table 32: EX Series Switch Environmental Tolerances85
- General Site Guidelines88
- Site Electrical Wiring Guidelines89
- Table 33: Site Electrical Wiring Guidelines89
- Cabinet Requirements90
- Rack Requirements90
- Table 34: Rack Requirements and Specifications90
- Requirements for Mounting an EX4200 Switch on a Desktop or Wall91
Chapter 7 Power Specifications and Requirements95
- AC Power Cord Specifications for EX4200 Switches96
- Figure 22: AC Plug Types97
- Table 38: AC Power Cord Specifications97
- Calculating the EX Series Switch Fiber-Optic Cable Power Budget98
- Calculating the EX Series Switch Fiber-Optic Cable Power Margin98
- Power Specifications and Requirements99
- Table 39: Estimated Values for Factors Causing Link Loss99
- Power Specifications and Requirements95
Chapter 8 Transceiver and Cable Specifications101
- Pluggable Transceivers Supported on EX4200 Switches101
- Pluggable Transceivers Supported on EX Series Switches102
- SFP+ Direct Attach Copper Cables for EX Series Switches103
- Management Cable Specifications109
- Understanding EX Series Switches Fiber-Optic Cable Signal Loss, Attenuation110
Chapter 9 Pinout Specifications113
- USB Port Specifications for an EX Series Switch114
- RJ-45 Management Port Connector Pinout Information115
- Table 44: RJ-45 Management Port Connector Pinout Information115
- Port, QSFP+ Port, SFP+ Port, and SFP Port Connector Pinout Information116
- Table 45: 10/100/1000BASE-T Ethernet Network Port Connector Pinout116
- Table 46: SFP Network Port Connector Pinout Information116
- Table 47: SFP+ Network Port Connector Pinout Information117
- Table 48: QSFP+ Network Port Connector Pinout Information118
- RJ-45 to DB-9 Serial Port Adapter Pinout Information120
- Table 49: RJ-45 to DB-9 Serial Port Adapter Pinout Information120
- Uplink Modules Connector Pinout Information for EX4200 Switches121
- Table 50: Uplink Modules Connector Pinout Information121
- Virtual Chassis Ports Connector Pinout Information for EX4200 Switches129
- Table 51: Virtual Chassis Ports (Vcps) Connector Pinout Information129
- Pinout Specifications113
  - Console Port Connector Pinout Information113
  - Table 43: Console Port Connector Pinout Information113
Chapter 10 Planning the Virtual Chassis133
- Configurations133
- Ports Used to Interconnect Virtual Chassis Members133
- Number of Switches, Required Software Releases, and Member Roles that You Configure in the Virtual Chassis134
- Table 52: Number of Switches and Switch Roles for an EX4200 Virtual Chassis134
- Virtual Chassis Module135
- Table 53: Number of Switches and Switch Roles for an EX4500 Virtual Chassis135
- Table 54: Number of Switches and Switch Roles for an EX4550 Virtual Chassis135
- Table 55: Number of Switches and Switch Roles for a Mixed EX4200, EX4500, and EX4550 Virtual Chassis, Per Junos os Release135
- Switch Role and Member ID on the LCD Panel136
- Planning EX4200, EX4500, and EX4550 Virtual Chassis136
- Table 56: Virtual Chassis Components to Consider When Planning an EX4200136
- Table 57: Cabling Requirements for a Virtual Chassis137
- Virtual Chassis Cabling Configuration Examples for EX4200 Switches138
- Initial Installation and Configuration141
Chapter 11 Unpacking the Switch143
- Unpacking an EX4200 Switch143
- Parts Inventory (Packing List) for an EX4200 Switch144
- Figure 29: Unpacking an EX4200 Switch144
- Table 58: Packing List for an EX4200 Switch145
- Registering Products-Mandatory for Validating Slas146
Chapter 12 Installing the Switch149
- Installing and Connecting an EX4200 Switch149
- Mounting an EX4200 Switch150
- Mounting an EX4200 Switch on a Desk or Other Level Surface151
- Mounting an EX4200 Switch on Two Posts in a Rack or Cabinet152
- Figure 30: Attaching Rubber Feet to an EX4200 Switch Chassis152
- Figure 31: Attaching the Mounting Bracket to the Side Panel of the Switch154
- Figure 32: Mounting the Switch on Two Posts in a Rack154
- Mounting an EX4200 Switch on Four Posts in a Rack or Cabinet155
- Figure 33: Attaching the Front-Mounting Bracket to the Side Mounting-Rail157
- Figure 34: Attaching the Side Mounting-Rail to the Switch Chassis157
- Figure 35: Mounting the Switch to the Front Posts in a Rack158
- Figure 36: Sliding the Rear Mounting-Blades into the Side-Mounting Rail158
- Mounting an EX4200 Switch in a Recessed Position in a Rack or Cabinet159
- Mounting an EX4200 Switch on a Wall160
- Figure 37: Attaching Wall-Mount Brackets to the Switch Chassis161
- Installing and Removing EX4200 Switch Hardware Components162
- Figure 38: Mounting the Switch on a Wall162
Chapter 13 Connecting the Switch to Power165
- Connecting Earth Ground to an EX Series Switch165
- Connecting AC Power to an EX4200 Switch171
- Figure 41: Connecting the AC Power Cord Retainer Clip to an AC Power Supply in an EX4200 Switch173
- Figure 42: Connecting an AC Power Cord to an AC Power Supply in an EX4200 Switch173
- Connecting DC Power to an EX4200 Switch174
- Figure 43: DC Power Supply in an EX4200 Switch174
- Figure 44: Removing the Terminal Block Cover from a DC Power Supply175
- Figure 45: Securing Ring Lugs to the Terminals on the DC Power Supply177
Chapter 14 Connecting the Switch to the Network179
- Connecting a Device to a Network for Out-Of-Band Management179
- Connecting a Device to a Management Console by Using an179
- Connecting a Fiber-Optic Cable181
Chapter 15 Performing Initial Configuration183
- EX4200 Default Configuration183
- Connecting and Configuring an EX Series Switch (CLI Procedure)187
- Connecting and Configuring an EX Series Switch (J-Web Procedure)190
- Figure 52: LCD Panel in an EX3200, EX4200, EX4500, EX4550, or EX8200192
- Figure 53: LCD Panel in an EX4300 Switch192
- Configuring the LCD Panel on EX Series Switches (CLI Procedure)195
  - Disabling or Enabling Menus and Menu Options on the LCD Panel195
  - Configuring a Custom Display Message196
- Installing, Maintaining, and Replacing Components199
Chapter 16 Replacing Cooling System Component201
- Installing a Fan Tray in an EX4200 Switch201
- Removing a Fan Tray from an EX4200 Switch202
- Figure 54: Installing a Fan Tray in an EX4200 Switch202
- Figure 55: Removing a Fan Tray from an EX4200 Switch202
Chapter 17 Replacing Power Supply205
- Installing a Power Supply in an EX4200 Switch205
- Figure 56: Installing a Power Supply in an EX4200 Switch206
- Removing a Power Supply from an EX4200 Switch207
- Figure 57: Removing a Power Supply from the Switch208
Chapter 18 Replacing Uplink Module209
- Installing an Uplink Module in an EX4200 Switch209
- Removing an Uplink Module from an EX4200 Switch211
- Figure 58: Installing an Uplink Module in an EX4200 Switch211
- Figure 59: Sliding the Screwdriver to the Narrow Part of the Keyhole213
- Figure 60: Removing an Uplink Module from an EX4200 Switch213
Chapter 19 Replacing Transceiver215
- Installing a Transceiver215
- Removing a Transceiver217
- Figure 61: Installing a Transceiver217
- Figure 62: Removing an SFP, SFP+, XFP, or a QSFP+ Transceiver219
Chapter 20 Maintaining and Replacing Fiber-Optic Cable221
- Connecting a Fiber-Optic Cable221
- Disconnecting a Fiber-Optic Cable from a Device222
- Figure 63: Connecting a Fiber-Optic Cable to an Optical Transceiver Installed in222
- Maintaining Fiber-Optic Cables223
Chapter 21 Replacing a Member Switch to Virtual Chassis225
- Adding a New EX4200 Switch to an Existing EX4200 Virtual Chassis225
- Replacing a Member Switch of a Virtual Chassis Configuration231
Chapter 22 Maintaining and Replacing Virtual Chassis Cable235
- Connecting a Virtual Chassis Cable to an EX4200 Switch235
- Disconnecting a Virtual Chassis Cable from an EX4200 Switch236
- Figure 64: Connecting a Virtual Chassis Cable to an EX4200 Switch236
- Figure 65: Virtual Chassis Cable Connector in an EX4200 Switch237
Chapter 23 Contactingcustomer Supportandreturningthe Chassisor239
- Components239
- Returning an EX4200 Switch or Component for Repair or Replacement239
- Locating the Serial Number on an EX4200 Switch or Component240
- Contacting Customer Support to Obtain Return Material Authorization241
- Figure 66: Location of the Serial Number ID Label on an EX4200 Switch241
- Packing an EX4200 Switch or Component for Shipping242
  - Packing an EX4200 Switch for Shipping242
  - Packing EX4200 Switch Components for Shipping243
- Troubleshooting245
Chapter 24 Alarms and Syslog Messages247
- Understanding Alarm Types and Severity Levels on EX Series Switches247
- Table 61: Alarm Terms247
- Chassis Component Alarm Conditions on EX4200 Switches248
- Table 62: Chassis Component Alarm Conditions on EX4200 Switches249
- Checking Active Alarms with the J-Web Interface253
- Monitoring System Log Messages254
- Table 63: Summary of Key Alarm Output Fields254
- Table 64: Filtering System Log Messages255
- Table 65: Viewing System Log Messages257
Chapter 25 Troubleshooting Switch Components259
- Troubleshooting Network Interfaces on EX4200 Switches259
  - The Interface on the Port in Which an SFP or SFP+ Transceiver Is Installed Is down259
- Troubleshooting Virtual Chassis Port Connectivity on an EX4200 Switch260
  - Virtual Chassis Port (VCP) Connection Does Not Work260
- Troubleshooting Power Supply Installation Alarms on EX4200 Switches260
- The Switch Displays the "Unsupported PSU" Alarm261
- Safety and Compliance Information263
Chapter 26 General Safety Guidelines and Warnings265
- Definitions of Safety Warning Levels266
- Qualified Personnel Warning268
- Warning Statement for Norway and Sweden269
Chapter 27 Fire Safety Requirements271
Chapter 28 Installation Safety Guidelines and Warnings273
- Installation Instructions Warning273
- Chassis Lifting Guidelines274
- Restricted Access Warning274
- Ramp Warning276
- Rack-Mounting and Cabinet-Mounting Warnings276
- Wall-Mounting Warning for EX4200 Switches280
- Grounded Equipment Warning280
Chapter 29 Radiation and Laser Safety Guidelines and Warnings283
- Laser and LED Safety Guidelines and Warnings283
- Radiation from Open Port Apertures Warning285
Chapter 30 Maintenance and Operational Safety Warnings287
- Maintenance and Operational Safety Guidelines and Warnings287
Chapter 31 Electrical Safety Guidelines and Warnings293
- General Electrical Safety Guidelines and Warnings293
- Action to Take after an Electrical Accident294
- Prevention of Electrostatic Discharge Damage295
- AC Power Electrical Safety Guidelines296
- Figure 67: Placing a Component into an Antistatic Bag296
- AC Power Disconnection Warning297
- DC Power Electrical Safety Guidelines for Switches298
- DC Power Disconnection Warning301
- DC Power Grounding Requirements and Warning302
- DC Power Wiring Sequence Warning303
- DC Power Wiring Terminations Warning305
- Multiple Power Supplies Disconnection Warning306
- TN Power Warning306
Chapter 32 Agency Approvals and Compliance Statements309
- Agency Approvals for EX Series Switches309
- Compliance Statements for EMC Requirements for EX Series Switches310
- Compliance Statements for Acoustic Noise for EX Series Switches314

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