Name: Juniper QFX3500
Brand: Juniper
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5. Grasp the management board handle and pull firmly to slide the management board

halfway out of the chassis.

6. When the fans stop spinning, slide the management board completely out of the

chassis.

7. Place the management board in the antistatic bag or on the antistatic mat placed on

a flat, stable surface.

Figure 55: Removing a Management Board from a QFX3500 Device

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Documentation

• Management Board for a QFX3500 Device on page 24

• Field-Replaceable Units in a QFX3500 Device on page 18

• Front Panel of a QFX3500 Device on page 19

• Connecting a QFX3500 Device to a Network for Out-of-Band Management

• Connecting a QFX Series Device to a Management Console

• Installing a Management Board in a QFX3500 Device on page 128

Chapter 13: Replacing Components

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

Juniper QFX3500 User Manual

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Juniper QFX3500 Specifications

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Brand	Juniper
Model	QFX3500
Category	Switch
Language	English