Juniper QFX5100-48S - Clearance Requirements for Airflow and Hardware Maintenance for EX4300 Switches

Juniper QFX5100-48S

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Clearance Requirements for Airflow and Hardware Maintenance for EX4300

Switches

When planning the site for installing an EX4300 switch, you must ensure sufficient clearance around the

switch.

Follow these clearance requirements:

126

Table of Contents

Default Chapter3
- Default Chapter3
  - Table of Contents3
- About the Documentation18
Overview25
- Virtual Chassis Fabric Overview26
  - Understanding Virtual Chassis Fabric Configuration28
  - Virtual Chassis Fabric Hardware Overview32
- QFX5110 Overview34
- QFX5100 Overview46
- QFX3600 Overview69
- QFX3500 Overview75
  - QFX3500 Device Overview75
  - Front Panel of a QFX3500 Device80
- EX4300 Overview82
  - EX4300 Switches Hardware Overview82
Planning110
- Site Preparation111
  - Plan a Virtual Chassis Fabric Deployment | 87111
CHAPTER 7 Sitepreparation114
- QFX5110 Site Preparation Checklist114
- Site Preparation Checklist for a QFX5100 Device116
- Site Preparation Checklist for a QFX3600 or QFX3600-I Device117
- Site Preparation Checklist for a QFX3500 Device119
- Site Preparation Checklist for EX4300 Switches121
- QFX5110 Environmental Requirements and Specifications122
- Environmental Requirements and Specifications for a QFX5100 Device123
- Environmental Requirements and Specifications for QFX3600 and QFX3600-I Devices125
- Environmental Requirements and Specifications for a QFX3500 Device126
- Environmental Requirements and Specifications for EX Series Switches127
Rack and Cabinet Requirements133
- QFX5110 Rack Requirements133
- Rack Requirements for a QFX5100 Device135
- Rack Requirements for a QFX3600 or QFX3600-I Device136
- Rack Requirements for a QFX3500 Device138
- Rack Requirements139
- Cabinet Requirements for a QFX5100 Device141
- Device141
- Cabinet Requirements for a QFX3600 or QFX3600-I Device142
- Cabinet Requirements for a QFX3500 Device143
- Device143
- Cabinet Requirements144
- QFX5110 Clearance Requirements for Airflow and Hardware Maintenance145
- QFX5110 Clearance Requirements for145
- Clearance Requirements for Airflow and Hardware Maintenance for a QFX5100 Device146
  - Clearance Requirements for Airflow and Hardware Maintenance for a QFX5100146
- Clearance Requirements for Airflow and Hardware Maintenance for a QFX3600 or QFX3600-I Device147
- Device148
- Clearance Requirements for Airflow and Hardware Maintenance for a QFX3500 Device149
- Clearance Requirements for Airflow and Hardware Maintenance for EX4300 Switches150
Port and Interface Specifications154
- Console Port Connector Pinout Information154
- Console Port Connector Pinouts for the QFX Series155
- Management Port Connector Pinouts for the QFX Series156
- Mini-USB Port Pinout Specifications157
- USB Port Specifications for an EX Series Switch157
- USB Port Specifications for the QFX Series158
Transceiver and Cable Specifications160
- Determining Transceiver Support for the QFX5110160
- Determining Interface Support for the QFX5100 Device161
- Determining Interface Support for the QFX3600 Device164
- Determining Interface Support for the QFX3500 Device165
- Pluggable Transceivers Supported on EX4300 Switches167
- Cable Specifications for QSFP+ and QSFP28 Transceivers168
- Planning QFX5100 Power Requirements177
- Planning QFX5110 Power Requirements182
- Planning QFX3600 Power Requirements186
CHAPTER 14 Planningqfx3500Powerrequirements190
- Table190
- AC Power Cord Specifications for a QFX Series Device191
- DC Power Specifications for a QFX3500 Device193
- Item193
- Typical Power Consumption193
- Maximum Power Consumption193
- Related Documentation193
- Describes the AC Power Specifications for a QFX3500 Device193
- Specification193
- Planning EX4300 Power Requirements194
- Planning QFX3500 Power Requirements190
  - AC Power Specifications for a QFX3500 Device190
CHAPTER 15 Planningex4300Powerrequirements194
- AC Power Supply in EX4300 Switches194
- AC Power Cord Specifications for an EX4300 Switch204
- DC Power Supply in EX4300 Switches208
In this Section208
- Characteristics of a DC Power Supply209
- DC Power Supply Airflow210
- N+0 Redundancy Configuration of DC Power Supplies211
- N+N Redundancy Configuration of DC Power Supplies212
- Agency Approvals for EX Series Switches214
- Compliance214
Safety226
- General Safety Information227
- Radiation and Laser Warnings234
  - Radiation from Open Port Apertures Warning235
  - Laser and LED Safety Guidelines and Warnings for the QFX Series236
- Installation and Maintenance Safety Information241
CHAPTER 19 Installationandmaintenancesafetyinformation242
- Installation Instructions Warning242
- QFX5100 Installation Safety Guidelines242
- Chassis Lifting Guidelines for a QFX3600 or QFX3600-I Device243
- Chassis Lifting Guidelines for a QFX3500 Device244
- Chassis Lifting Guidelines for EX4300 Switches244
- Restricted Access Warning246
- Ramp Warning248
- Rack-Mounting and Cabinet-Mounting Warnings248
- Grounded Equipment Warning254
- Maintenance and Operational Safety Guidelines and Warnings254
CHAPTER 20 Powerandelectricalsafetyinformation264
- General Electrical Safety Guidelines and Warnings264
- Prevention of Electrostatic Discharge Damage266
- Action to Take after an Electrical Accident267
- AC Power Electrical Safety Guidelines268
- AC Power Disconnection Warning269
- DC Power Electrical Safety Guidelines269
- DC Power Disconnection Warning271
- DC Power Grounding Requirements and Warning273
- DC Power Wiring Sequence Warning275
- DC Power Wiring Terminations Warning278
- Multiple Power Supplies Disconnection Warning281
- TN Power Warning282
- Power and Electrical Safety Information264
- Before You Begin284
  - Virtual Chassis Fabric Installation Overview284
- Installing a QFX5110 Switch286
  - Standalone Installation Overview286
  - Unpacking a QFX5110287
  - Mounting a QFX5110 in a Rack288
    - Before You Begin Rack Installation289
  - Connect the QFX5110 to Earth Ground291
  - Connecting AC Power to a QFX5110292
  - Connecting DC Power to a QFX5110295
- Installing a QFX5100 Switch300
  - QFX5100 Standalone Installation Overview300
  - Unpack a QFX5100 Device301
  - Mount a QFX5100 Device in a Rack or Cabinet303
  - Before You Begin Rack Installation303
  - Four-Post Procedure305
  - Connecting Earth Ground to a QFX5100 Device308
  - Connecting AC Power to a QFX5100 Device309
  - Connecting DC Power to a QFX5100 Device312
  - Connecting a QFX Series Device to a Management Console317
  - Connecting a QFX5100 Device in a Virtual Chassis Fabric319
  - Connecting a QFX5100 Device to a Network for Out-Of-Band Management320
- Installing a QFX3600 Switch322
  - Installing and Connecting a QFX3600 or QFX3600-I Device322
  - Unpacking a QFX3600 or QFX3600-I Device323
  - Mounting a QFX3600 or QFX3600-I Device on Two Posts in a Rack or Cabinet325
  - Mounting a QFX3600 or QFX3600-I Device on Four Posts in a Rack or Cabinet327
  - Connecting Earth Ground to QFX3600 or QFX3600-I Devices332
  - Connecting AC Power to a QFX3500, QFX3600, or QFX3600-I Device333
  - Connecting DC Power to a QFX3500, QFX3600, or QFX3600-I Device336
  - Connecting a QFX Series Device to a Management Console341
  - Connecting QFX Series and EX Series Switches in a QFX Virtual Chassis343
  - Connect a Device to a Network for Out-Of-Band Management349
- Installing a QFX3500 Switch350
  - Installing and Connecting a QFX3500 Device350
  - Unpacking a QFX3500 Device351
  - Mounting a QFX3500 Device in a Rack or Cabinet352
  - Connecting a QFX Series Device to a Management Console367
  - Connecting QFX Series and EX Series Switches in a QFX Virtual Chassis369
  - Connecting a QFX3500 Device to a Network for Out-Of-Band Management375
- Installing an EX4300 Switch377
  - Installing and Connecting an EX4300 Switch377
  - Unpacking an EX4300 Switch378
  - Mounting an EX4300 Switch379
  - Mounting an EX4300 Switch on Two Posts of a Rack or Cabinet380
  - Mounting an EX4300 Switch on Four Posts of a Rack or Cabinet383
  - Mounting an EX4300 Switch in a Recessed Position in a Rack or Cabinet387
  - Mounting an EX4300 Switch on a Wall387
- Performing the Initial Configuration392
  - Autoprovisioning a Virtual Chassis Fabric392
  - Preprovisioning a Virtual Chassis Fabric397
  - Configuring a Nonprovisioned Virtual Chassis Fabric404
- Cabling a Virtual Chassis Fabric409
  - Connecting QFX5110 in a QFX5110 Virtual Chassis Fabric409
  - Connecting a QFX5100 Device in a Virtual Chassis Fabric411
  - Connecting a QFX3500 or QFX3600 Switch in a QFX5100 Virtual Chassis Fabric413
  - Connecting EX Series Switches in a QFX5100 Virtual Chassis Fabric415
Maintenance417
- Removing or Replacing a Device418
- Replacing QFX5110 Components446
CHAPTER 31 Replacingqfx5100Components453
- Installing and Removing QFX5100 Device Hardware Components453
- Installing a Power Supply in a QFX5100 Device454
- Removing a Power Supply from a QFX5100 Device456
- Installing an Expansion Module in a QFX5100 Device458
- Removing an Expansion Module from a QFX5100 Device462
- Installing a Fan Module in a QFX5100 Device464
- Removing a Fan Module from a QFX5100 Device466
- Replacing QFX5100 Components453
- Replacing QFX3600 Components468
Replacing QFX3500 Components476
- Installing and Removing QFX3500 Device Hardware Components476
- Installing a Power Supply in a QFX3500 Device477
- Removing a Power Supply from a QFX3500 Device479
- Installing a Fan Tray in a QFX3500 Device481
- Removing a Fan Tray from a QFX3500 Device483
- Installing a Management Board in a QFX3500 Device484
- Removing a Management Board from a QFX3500 Device486
Replacing EX4300 Components488
- Installing and Removing EX4300 Switch Hardware Components488
- Installing an AC Power Supply in an EX4300 Switch489
- Installing a DC Power Supply in an EX4300 Switch491
- Installing a Fan Module in an EX4300 Switch493
- Installing an Uplink Module in an EX4300 Switch495
- Install a Transceiver497
Replacing Transceivers and Fiber-Optic Cables500
- Removing a Transceiver from a QFX Series Device500
- Remove a Transceiver502
- Installing a Transceiver in a QFX Series Device505
- Install a Transceiver508
- Disconnecting a Fiber-Optic Cable from a QFX Series Device510
- Disconnect a Fiber-Optic Cable511
- Connecting a Fiber-Optic Cable to a QFX Series Device512
- Connect a Fiber-Optic Cable514
Routine Maintenance515
- Maintaining Fiber-Optic Cables in a QFX Series Device515
- How to Handle Fiber-Optic Cables516
- Viewing QFX5110 System Information517
- QFX5110 Chassis Status Leds517
- QFX5110 Management Port Leds520
- QFX5110 Network Port Leds522
- QFX5110 Fan Module LED524
- QFX5110 AC Power Supply Leds525
- QFX5110 DC Power Supply Leds526
Viewing QFX5100 System Information529
- Chassis Status Leds on a QFX5100 Device529
- Management Port Leds on a QFX5100 Device532
- Access Port and Uplink Port Leds on a QFX5100 Device534
- Fan Module LED on a QFX5100 Device537
- AC Power Supply Leds on a QFX5100 Device538
- DC Power Supply Leds on a QFX5100 Device540
Viewing QFX3600 System Information542
- Chassis Status Leds in the QFX3600 and QFX3600-I Device542
- Management Port Leds in the QFX3600 and QFX3600-I Device544
- Access Port and Uplink Port Leds on a QFX3600 or QFX3600-I Device545
- Fan Tray LED on a QFX3600 or QFX3600-I Device546
- AC Power Supply Leds on a QFX3500, QFX3600, or QFX3600-I Device547
- DC Power Supply Leds on a QFX3500, QFX3600, or QFX3600-I Device549
Viewing QFX3500 System Information551
- Chassis Status Leds on a QFX3500 Device551
- Management Port Leds on a QFX3500 Device553
- Access Port and Uplink Port Leds on a QFX3500 Device554
- Fan Tray LED on a QFX3500 Device556
- AC Power Supply Leds on a QFX3500, QFX3600, or QFX3600-I Device557
- DC Power Supply Leds on a QFX3500, QFX3600, or QFX3600-I Device558
Viewing EX4300 System Information561
- Dashboard for EX Series Switches561
- Graphical Chassis Viewer562
- System Information Panel564
- Health Status Panel567
- Capacity Utilization Panel571
- Alarms Panel571
Troubleshooting602
- Restoring Junos os603
- Returning Hardware610
- Alarms and System Log Messages647

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