Name: Juniper EX4550
Brand: Juniper
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Figure 32: Clearance Requirements for Airflow and Hardware Maintenance

for an EX4550 Switch Chassis

RearFront

17.36"

44.1 cm

18.49"

(47 cm)

g021407

Clearance required

for maintenance

24" (60.9 cm)

19"

(48.2 cm)

Clearance required

for maintenance

24" (60.9 cm)

Mounting bracket

For airflowFor airflow

6" (15.2 cm) 6" (15.2 cm)

6" (15.2 cm)

For grounding lug

Documentation

• Chassis Physical Specifications for EX4550 Switches on page 17

• Rack-Mounting and Cabinet-Mounting Warnings on page 266

• General Site Guidelines on page 76

• Cooling System and Airflow in an EX4550 Switch on page 35

Chapter 6: Preparation Overview

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

baud rate	9600
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Juniper EX4550 Hardware Guide

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