Name: Juniper EX4200-24T
Brand: Juniper
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Use the wall-mount kit from Juniper Networks to mount the switch on a wall. The

wall-mount kit is not part of the standard package and must be ordered separately.

Documentation

Clearance Requirements for Airflow and Hardware Maintenance for EX4200 Switches

on page 70

•

• Wall-Mounting Warning for EX4200 Switches on page 258

• Mounting an EX4200 Switch on a Desk or Other Level Surface on page 129

• Mounting an EX4200 Switch on a Wall on page 138

Clearance Requirements for Airflow and Hardware Maintenance for EX4200 Switches

When planning the site for installing an EX4200 switch, you must allow sufficient

clearance around the installed switch (see Figure 20 on page 70).

Figure 20: Clearance Requirements for Airflow and Hardware Maintenance

for EX4200 Switches

EX4200 Switch Hardware Guide

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

Juniper EX4200-24T User Manual

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Brand	Juniper
Model	EX4200-24T
Category	Switch
Language	English