Juniper QFX Series User Manual

Management Port Connector Pinouts for the QFX Series . . . . . . . . . . . . . . . . . . . 107
Network Module Port Connector Pinouts for a QFX3100 Director Device . . . . . . 107
Interface Specifications for SFP+ Transceivers for QFX3500 Device Access
Ports . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 108
Interface Specifications for SFP+ DAC Cables for QFX3500 Device Access
Ports . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 117
Interface Specifications for Control Plane Connections for the QFabric
System . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 124
Interface Specifications for Data Plane Connections for the QFabric System . . . 127
Chapter 8 Cable Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 129
Cable Specifications for Control Plane Connections for the QFX Series . . . . . . . 129
Cable Specifications for Console and Management Connections for the QFX
Series . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 130
Understanding QFX Series Fiber-Optic Cable Signal Loss, Attenuation, and
Dispersion . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 130
Signal Loss in Multimode and Single-Mode Fiber-Optic Cable . . . . . . . . . . . 130
Attenuation and Dispersion in Fiber-Optic Cable . . . . . . . . . . . . . . . . . . . . . . 131
Calculating the Fiber-Optic Cable Power Budget for a QFX Series Device . . . . . . 132
Calculating the Fiber-Optic Cable Power Margin for a QFX Series Device . . . . . . 132
Chapter 9 Planning QFX3100 Power Requirements . . . . . . . . . . . . . . . . . . . . . . . . . . . . 135
AC Power Specifications for a QFX3100 Director Device . . . . . . . . . . . . . . . . . . . 135
AC Power Cord Specifications for a QFX3100 Director Device . . . . . . . . . . . . . . . 135
Chapter 10 Planning QFX3008-I Power Requirements . . . . . . . . . . . . . . . . . . . . . . . . . . 137
AC Power Specifications for a QFX3008-I Interconnect Device with Single-Phase
Wiring Trays . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 137
AC Power Specifications for a QFX3008-I Interconnect Device with Three-Phase
Delta Wiring Trays . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 138
AC Power Specifications for a QFX3008-I Interconnect Device with Three-Phase
Wye Wiring Trays . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 138
Power Requirements for a QFX3008-I Interconnect Device . . . . . . . . . . . . . . . . . 139
AC Power Cord Specifications for a QFX3008-I Interconnect Device with
Single-Phase Wiring Trays . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 139
AC Power Cord Specifications for a QFX3008-I Interconnect Device with
Three-Phase Delta Wiring Trays . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 141
AC Power Cord Specifications for a QFX3008-I Interconnect Device with
Three-Phase Wye Wiring Trays . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 142
Calculating Power Requirements for a QFX3008-I Interconnect Device . . . . . . . 143
Power Consumption of Different QFX3008-I Interconnect Device
Configurations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 144
System Thermal Output for Different QFX3008-I Interconnect Device
Configurations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 144
Chapter 11 Planning QFX35000 Power Requirements . . . . . . . . . . . . . . . . . . . . . . . . . . 147
AC Power Specifications for a QFX3500 Device . . . . . . . . . . . . . . . . . . . . . . . . . . 147
AC Power Cord Specifications for a QFX3500 Device . . . . . . . . . . . . . . . . . . . . . . 147
DC Power Specifications for a QFX3500 Device . . . . . . . . . . . . . . . . . . . . . . . . . . 149
Copyright © 2012, Juniper Networks, Inc.vi
QFX3000 Hardware Documentation

Juniper QFX Series Specifications

General

Category	Switch
Series	QFX
Form Factor	1U, 2U, and modular chassis options
Power Supply	Redundant, hot-swappable power supplies
Cooling	hot-swappable fans
Virtual Chassis	Supported on certain models
Typical Use	Data center, cloud
Operating System	Junos OS
Management	CLI
Key Features	High performance, low latency, automation
Latency	Sub-microsecond latency
Port Density	Varies by model (e.g., QFX5100: up to 48x10GbE + 6x40GbE)