Juniper QFX3500 - Overview; Chassis Components and Descriptions; Cooling System and Airflow; Power Supplies

Juniper QFX3500

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PART 1

Overview

•

System Overview on page 3

•

Chassis Components and Descriptions on page 17

•

Cooling System and Airflow on page 29

•

Power Supplies on page 35

1Copyright © 2017, Juniper Networks, Inc.

Table of Contents

Default Chapter3
- Table of Contents3
- About the Documentation15
- Overview21
Chapter 1 System Overview23
- System Overview23
  - QFX3500 Device Overview23
- Hardware24
- Software24
- Understanding QFX Series Virtual Chassis28
- Understanding QFX Series Virtual Chassis Components31
Chapter 2 Chassis Components and Descriptions37
- Chassis Physical Specifications for a QFX3500 Chassis37
- Table 3: Physical Specifications for the QFX3500 Device Chassis37
- Field-Replaceable Units in a QFX3500 Device38
- Power Supplies38
- Table 4: Frus in a QFX3500 Device38
- Front Panel of a QFX3500 Device39
- Figure 5: QFX3500 Device Front Panel39
- Figure 6: QFX3500 Device Front39
- Rear Panel of a QFX3500 Device40
- Access Port and Uplink Port Leds on a QFX3500 Device41
- Figure 7: QFX3500 Device Rear Panel41
- Figure 8: Leds on the SFP+ Access Ports41
- Figure 9: Leds on the QSFP+ Uplink Ports42
- Table 5: Network Port Leds on SFP+ Access Ports on a QFX3500 Device42
- Chassis Status Leds on a QFX3500 Device43
- Figure 10: Chassis Status Leds on a QFX3500 Device43
- Table 6: Uplink Port Leds on QSFP+ Uplink Ports on a QFX3500 Device43
- Rear Panel of a QFX3500 Device43
- Management Board for a QFX3500 Device44
- Table 7: Chassis Status Leds on a QFX3500 Device44
- Figure 11: Management Board for a QFX3500 Device45
- Management Port Leds on a QFX3500 Device46
- Table 8: Airfow Direction in QFX3500 Management Boards46
- Figure 12: Management Port Leds on a QFX3500 Device47
- Table 9: Management Port Leds on a QFX3500 Device47
Chapter 3 Cooling System and Airflow49
- Cooling System and Airflow for a QFX3500 Device49
- Figure 13: Fan Tray for a QFX3500 Device49
- Figure 14: Management Board for a QFX3500 Device49
- Figure 15: FRU-To-Port Airflow through the QFX3500 Chassis50
- Table 10: Airflow Direction in QFX3500 Device Models50
- Figure 16: Port-To-FRU Airflow through the QFX3500 Chassis51
- Figure 17: Label Identifying Airflow Direction on Power Supply Handle51
- Table 11: Airflow Direction in QFX3500 Device Frus52
- Fan Tray LED on a QFX3500 Device53
- Figure 18: Fan Tray LED in a QFX3500 Device53
- Table 12: Fan Tray LED in a QFX3500 Device53
Chapter 4 Power Supplies55
- Figure 20: an Arrow Icon and AFI Label Identifying Airflow Direction on Power56
- Figure 21: a Fan Icon Identifying Airflow Direction on Power Supply Handle56
- Table 13: Airfow Direction in QFX3500, QFX3600, or QFX3600-I AC Power56
- DC Power Supply for a QFX3500, QFX3600, or QFX3600-I Device57
- Figure 22: DC Power Supply for a QFX3500, QFX3600, or QFX3600-I Device57
- Figure 23: DC Power Supply Faceplate58
- AC Power Supply Leds on a QFX3500, QFX3600, or QFX3600-I Device59
- Figure 24: Label Identifying Airflow Direction on Power Supply Handle59
- Table 14: Airflow Direction in QFX3500, QFX3600, and QFX3600-I Device DC59
- DC Power Supply Leds on a QFX3500, QFX3600, or QFX3600-I Device60
- Figure 25: AC Power Supply Leds on a QFX3500, QFX3600, or QFX3600-I60
- Table 15: AC Power Supply Leds on a QFX3500, QFX3600, or QFX3600-I60
- Figure 26: DC Power Supply Faceplate on a QFX3500, QFX3600, or QFX3600-I61
- Table 16: DC Power Supply Leds on a QFX3500, QFX3600, or QFX3600-I61
- Site Planning, Preparation, and Specifications63
- Power Supplies55
  - AC Power Supply for a QFX3500, QFX3600, or QFX3600-I Device55
  - Figure 19: AC Power Supply in QFX3500, QFX3600, or QFX3600-I Devices55
Chapter 5 Preparation Overview65
- Environmental Requirements and Specifications for a QFX3500 Device66
- General Site Guidelines67
- Preparation Overview67
- Table 18: QFX3500 Device Environmental Tolerances67
- Site Electrical Wiring Guidelines68
- Table 19: Site Electrical Wiring Guidelines68
- Planning a Virtual Chassis Fabric Deployment69
- Table 20: Deployment Checklist69
- Rack Requirements for a QFX3500 Device71
- Table 21: Rack Requirements for the QFX3500 Device71
- Cabinet Requirements for a QFX3500 Device72
- Table 22: Cabinet Requirements for the QFX3500 Device72
- Clearance Requirements for Airflow and Hardware Maintenance for a QFX350073
  - Device73
  - Figure 27: Clearance Requirements for Airflow and Hardware Maintenance for73
- Preparation Overview65
  - Site Preparation Checklist for a QFX3500 Device65
  - Table 17: Site Preparation Checklist65
Chapter 6 Power Specifications and Requirements75
- AC Power Specifications for a QFX3500 Device75
- Table 23: AC Power Specifications for a QFX3500 Device75
- AC Power Cord Specifications for a QFX Series Device76
- Table 24: AC Power Cord Specifications76
- DC Power Specifications for a QFX3500 Device77
- Grounding Cable and Lug Specifications for a QFX3500 Device77
- Table 25: DC Power Specifications for a QFX3500 Device77
Chapter 7 Transceiver and Cable Specifications79
- Determining Interface Support for the QFX3500 Device79
- Cable Specifications for Console and Management Connections for the QFX79
  - Series79
- Understanding QFX Series Fiber-Optic Cable Signal Loss, Attenuation, and Dispersion79
- Cable Specifications for QSFP+ and QSFP28 Transceivers80
- Calculating the Fiber-Optic Cable Power Budget for a QFX Series Device85
- Calculating the Fiber-Optic Cable Power Margin for a QFX Series Device85
- Table 29: Estimated Values for Factors Causing Link Loss86
Chapter 8 Pinout Specifications89
- Console Port Connector Pinout Information90
- Table 30: Console Port Connector Pinout Information90
- RJ-45 Management Port Connector Pinout Information91
- Table 31: RJ-45 Management Port Connector Pinout Information91
- Pinout Specifications89
  - USB Port Specifications for the QFX Series89
- Initial Installation and Configuration93
Chapter 9 Unpacking and Mounting the Device95
- Unpacking a QFX3500 Device96
- Table 32: Inventory of Components Supplied with a QFX3500 Device96
- Mounting a QFX3500 Device in a Rack or Cabinet97
- Unpacking and Mounting the Device95
  - Installing and Connecting a QFX3500 Device95
Chapter 10 Connecting the QFX3500 Device to Power103
- Connecting Earth Ground to a QFX3500 Device104
- Connecting AC Power to a QFX3500, QFX3600, or QFX3600-I Device105
- Figure 33: Connecting a Grounding Cable to a QFX3500 Device105
- Figure 34: Connecting an AC Power Cord to an AC Power Supply in a QFX3500107
- Figure 35: Connecting an AC Power Cord to an AC Power Supply in a QFX3600 or QFX3600-I Device107
- Connecting DC Power to a QFX3500, QFX3600, or QFX3600-I Device108
- Figure 36: DC Power Supply Faceplate for a QFX3500, QFX3600 or QFX3600-I111
- Figure 37: Securing Ring Lugs to the Terminals on the QFX3500, QFX3600 or QFX3600-I DC Power Supply111
Chapter 11 Connecting the Device to the Network113
- Connecting a Device to a Network for Out-Of-Band Management113
- Connecting a Device to a Management Console by Using an113
- Connecting QFX Series and EX Series Switches in a QFX Virtual Chassis115
Chapter 12 Performing Initial Configuration125
- Configuring a QFX3500 Device as a Standalone Switch125
- Adding a New Switch to an Existing QFX Series Virtual Chassis (CLI Procedure)127
- Configuring a QFX Series Virtual Chassis (CLI Procedure)129
- Installing, Maintaining, and Replacing Components139
Chapter 13 Replacing Components141
- Installing a Fan Tray in a QFX3500 Device142
- Removing a Fan Tray from a QFX3500 Device143
- Figure 50: Installing a Fan Tray in a QFX3500 Device143
- Installing a Power Supply in a QFX3500 Device145
- Figure 51: Removing a Fan Tray from a QFX3500 Device145
- Figure 52: Installing a Power Supply in a QFX3500 Device146
- Removing a Power Supply from a QFX3500 Device147
- Installing a Management Board in a QFX3500 Device148
- Figure 53: Removing a Power Supply from a QFX3500 Device148
- Figure 54: Installing a Management Board in a QFX3500 Device149
- Removing a Management Board from a QFX3500 Device150
- Figure 55: Removing a Management Board from a QFX3500 Device151
- Replacing Components141
  - Installing and Removing QFX3500 Device Hardware Components141
Chapter 14 Replacing Transceivers and Fiber-Optic Cables153
- Installing a Transceiver153
- Removing a Transceiver155
- Figure 56: Installing a Transceiver155
- Figure 57: Removing an SFP, SFP+, XFP, or a QSFP+ Transceiver157
- Connecting a Fiber-Optic Cable158
- Figure 58: Connecting a Fiber-Optic Cable to an Optical Transceiver Installed158
- Disconnecting a Fiber-Optic Cable from a Device159
- Maintaining Fiber-Optic Cables160
Chapter 15 Removing the Device163
- Powering off a QFX3500 Device163
- Removing a QFX3500 Device from a Rack or Cabinet165
Chapter 16 Contactingcustomersupportandreturningthechassisor167
- Components167
- Returning a QFX3500 Device or Component for Repair or Replacement167
- Locating the Serial Number on a QFX3500 Device or Component168
- Packing a QFX3500 Device or Component for Shipping169
- Contacting Customer Support to Obtain a Return Materials Authorization for a QFX Series Device or Component171
- Part 5 Troubleshooting173
- Troubleshooting173
- Alarm Messages175
  - Understanding Alarms175
  - Table 33: Alarm Terms and Definitions175
Chapter 17 Alarm Messages175
- Chassis Alarm Messages on a QFX3500 Device176
- Table 34: QFX3500 Chassis Alarm Messages177
- Interface Alarm Messages179
Chapter 18 Restoring Junos os181
- Performing a Recovery Installation183
- Restoring Junos os181
  - Creating an Emergency Boot Device181
- Safety and Compliance Information187
Chapter 19 General Safety Guidelines and Warnings189
- Definitions of Safety Warning Levels190
- Qualified Personnel Warning192
- Warning Statement for Norway and Sweden193
Chapter 20 Fire Safety Requirements195
Chapter 21 Installation and Maintenance Safety Information197
- Installation Instructions Warning197
- Chassis Lifting Guidelines for a QFX3500 Device198
- Restricted Access Warning198
- Ramp Warning200
- Rack-Mounting and Cabinet-Mounting Warnings200
- Grounded Equipment Warning204
Chapter 22 Radiation and Laser Warnings207
- Radiation from Open Port Apertures Warning207
- Laser and LED Safety Guidelines and Warnings for the QFX Series208
Chapter 23 Maintenance and Operational Safety Warnings211
- Maintenance and Operational Safety Guidelines and Warnings211
Chapter 24 Power and Electrical Safety Information217
- General Electrical Safety Guidelines and Warnings217
- Prevention of Electrostatic Discharge Damage218
- Figure 60: Placing a Component into an Antistatic Bag219
- Action to Take after an Electrical Accident220
- AC Power Electrical Safety Guidelines220
- AC Power Disconnection Warning221
- DC Power Electrical Safety Guidelines for Switches222
- DC Power Disconnection Warning225
- DC Power Grounding Requirements and Warning226
- DC Power Wiring Sequence Warning227
- DC Power Wiring Terminations Warning229
- Multiple Power Supplies Disconnection Warning230
- TN Power Warning230
Chapter 25 Compliance233
- Compliance Statements for EMC Requirements for the QFX Series234
- Statements of Volatility for Juniper Network Devices237
- Compliance233
  - Agency Approvals for the QFX Series233

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