Juniper QFX Series Hardware Guide

Table 24: Rack Requirements for the QFX5110 (continued)
GuidelinesRack Requirement
•
Ensure that the rack complies with the standards for a 19-in. or 23-in. rack as
defined in Cabinets, Racks, Panels, and Associated Equipment (document number
EIA-310–D) published by the Electronics Industry Association.
•
A 600-mm rack as defined in the four-part Equipment Engineering (EE); European
telecommunications standard for equipment practice (document numbers ETS
300 119-1 through 119-4) published by the European Telecommunications
Standards Institute.
The horizontal spacing between the rails in a rack that complies with this standard
is usually wider than the device's mounting brackets, which measure 19 in.
(48.26 cm) from outer edge to outer edge. Use approved wing devices to narrow
the opening between the rails as required.
•
Ensure that the rack rails are spaced widely enough to accommodate the switch
chassis’ external dimensions. The outer edges of the front-mounting brackets
extend the width to 19 in. (48.26 cm).
•
For four-post installations, the front and rear rack rails must be spaced between
23.6 in. (60 cm) and 36 in. (91.4 cm) front-to-back.
•
The rack must be strong enough to support the weight of the switch.
•
Ensure that the spacing of rails and adjacent racks allows for proper clearance
around the switch and rack.
Rack size and strength
•
Secure the rack to the building structure.
•
If earthquakes are a possibility in your geographical area, secure the rack to the
floor.
•
Secure the rack to the ceiling brackets as well as wall or floor brackets for
maximum stability.
Rack connection to building structure
Related
Documentation
Rack-Mounting and Cabinet-Mounting Warnings on page 144•
• QFX5110 Cooling System and Airflow Description on page 39
• Unpacking and Mounting the QFX5110 on page 88
QFX5110 Deployment in a Virtual Chassis or Virtual Chassis Fabric
•
Planning a Virtual Chassis Deployment using QFX Devices on page 62
•
Virtual Chassis Fabric Hardware Overview on page 66
•
Planning a Virtual Chassis Fabric Deployment on page 67
Planning a Virtual Chassis Deployment using QFX Devices
You can deploy QFX Series switches as members in three types of Virtual Chassis:
•
QFX Virtual Chassis (QFX3500, QFX3600, QFX5100, and EX4300)
•
QFX5110 Virtual Chassis (QFX5110 and QFX5100)
•
QFX5200 Virtual Chassis (QFX5200-32C only)
Copyright © 2019, Juniper Networks, Inc.62
QFX5110 Switch Hardware Guide

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)