Juniper QFX Series User Manual

Chapter 4 QFX3500 Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 59
QFX3500 Device Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 59
Software . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 60
Hardware . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 60
SFP+ Access Ports . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 61
QSFP+ Uplink Ports . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 62
Field-Replaceable Units in a QFX3500 Device . . . . . . . . . . . . . . . . . . . . . . . . . . . . 63
Understanding Redundancy of QFX3500 Device Components and
Functionality . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 64
Chassis Physical Specifications for a QFX3500 Chassis . . . . . . . . . . . . . . . . . . . . 64
Front Panel of a QFX3500 Device . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 65
Rear Panel of a QFX3500 Device . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 66
Cooling System and Airflow for a QFX3500 Device . . . . . . . . . . . . . . . . . . . . . . . . 68
Management Board for a QFX3500 Device . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 71
AC Power Supply for a QFX3500 Device . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 73
DC Power Supply for a QFX3500 Device . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 75
Grounding Cable and Lug Specifications for a QFX3500 Device . . . . . . . . . . . . . . 77
Part 2 Planning
Chapter 5 Site Preparation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 81
Planning a QFX3000-G QFabric System Deployment . . . . . . . . . . . . . . . . . . . . . . 81
Site Preparation Checklist for a QFX3100 Director Device . . . . . . . . . . . . . . . . . . . 83
Site Preparation Checklist for a QFX3008-I Interconnect Device . . . . . . . . . . . . . 84
Site Preparation Checklist for a QFX3500 Device . . . . . . . . . . . . . . . . . . . . . . . . . 86
General Site Guidelines . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 87
Site Electrical Wiring Guidelines . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 87
Environmental Requirements and Specifications for the QFX3100 Director
Device . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 89
Environmental Requirements and Specifications for a QFX3008-I Interconnect
Device . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 90
Environmental Requirements and Specifications for the QFX3500 Device . . . . . 91
Chapter 6 Rack and Cabinet Requirements . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 93
Rack Requirements for a QFX3100 Director Device . . . . . . . . . . . . . . . . . . . . . . . . 93
Rack Requirements for a QFX3008-I Interconnect Device . . . . . . . . . . . . . . . . . . 95
Rack Requirements for a QFX3500 Device . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 96
Cabinet Requirements for a QFX3100 Director Device . . . . . . . . . . . . . . . . . . . . . . 97
Cabinet Requirements for a QFX3008-I Interconnect Device . . . . . . . . . . . . . . . . 98
Cabinet Requirements for a QFX3500 Device . . . . . . . . . . . . . . . . . . . . . . . . . . . . 99
Clearance Requirements for Airflow and Hardware Maintenance for a QFX3100
Director Device . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 99
Clearance Requirements for Airflow and Hardware Maintenance for a QFX3008-I
Interconnect Device . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 100
Clearance Requirements for Airflow and Hardware Maintenance for a QFX3500
Device . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 102
Chapter 7 Port and Interface Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 105
USB Port Specifications for the QFX Series . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 105
Console Port Connector Pinouts for the QFX Series . . . . . . . . . . . . . . . . . . . . . . . 106
vCopyright © 2012, Juniper Networks, Inc.
Table of Contents

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)