Juniper QFX Series User Manual

• Mounting a QFX3500 Device in a Rack or Cabinet on page 261
General Site Guidelines
This topic applies to hardware devices in the EX Series product family, which includes
switches, the EX Series Redundant Power System (RPS), and the XRE200 External
Routing Engine.
This topic also applies to hardware devices in the QFX Series.
Efficient device operation requires proper site planning and maintenance and proper
layout of the equipment, rack or cabinet (if used), and wiring closet.
To plan and create an acceptable operating environment for your device and prevent
environmentally caused equipment failures:
•
Keep the area around the chassis free from dust and conductive material, such as
metal flakes.
•
Follow prescribed airflow guidelines to ensure that the cooling system functions properly
and that exhaust from other equipment does not blow into the intake vents of the
device.
•
Follow the prescribed ESD prevention procedures to avoid damaging the equipment.
Static discharge can cause components to fail completely or intermittently over time.
•
Install the device in a secure area, so that only authorized personnel can access the
device.
Related
Documentation
Prevention of Electrostatic Discharge Damage on page 192•
• Environmental Requirements and Specifications for EX Series Switches
• Environmental Requirements and Specifications for the QFX3100 Director Device on
page 89
• Environmental Requirements and Specifications for a QFX3008-I Interconnect Device
on page 90
• Environmental Requirements and Specifications for the QFX3500 Device on page 91
Site Electrical Wiring Guidelines
This topic applies to hardware devices in the EX Series product family, which includes
switches, the EX Series Redundant Power System (RPS), and the XRE200 External
Routing Engine.
This topic also applies to hardware devices in the QFX Series.
Table 19 on page 88 describes the factors you must consider while planning the electrical
wiring at your site.
87Copyright © 2012, Juniper Networks, Inc.
Chapter 5: Site Preparation

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)