Cabinet Requirements; Table 60: Rack Requirements And Specifications - Juniper EX4300 Hardware Manual

EX4300 Switch Hardware Guide

Table 60: Rack Requirements and Specifications

Rack Requirement
Rack type
Mounting bracket hole spacing
Rack size and strength
Rack connection to building structure
Related
Documentation

Cabinet Requirements

94
Rack size and strength
Rack connection to the building structure
Table 60 on page 94 provides the rack requirements and specifications.
Guidelines
You can mount the device on a rack that provides bracket holes or hole patterns spaced
at 1 U (1.75 in. or 4.45 cm) increments and meets the size and strength requirements to
support the weight.
A U is the standard rack unit defined in Cabinets, Racks, Panels, and Associated Equipment
(document number EIA-310–D) published by the Electronics Industry Association
http://www.eia.org
(
The holes in the mounting brackets are spaced at 1 U (1.75 in. or 4.45 cm), so that the
device can be mounted in any rack that provides holes spaced at that distance.
Ensure that the rack complies with the size and strength standards of a 19-in. rack as
defined in Cabinets, Racks, Panels, and Associated Equipment (document number
EIA-310–D) published by the Electronics Industry Association (
Ensure that the rack rails are spaced widely enough to accommodate the external
dimensions of the device chassis. The outer edges of the front-mounting brackets
extend the width of the chassis to 19 in. (48.2 cm).
The rack must be strong enough to support the weight of the device.
Ensure that the spacing of rails and adjacent racks provides for proper clearance
around the device and rack.
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-Mounting and Cabinet-Mounting Warnings on page 294
You can mount the device in a cabinet that contains a 19-in. rack.
Cabinet requirements consist of:
Cabinet size
Clearance requirements
Cabinet airflow requirements
Table 61 on page 95 provides the cabinet requirements and specifications.
).
http://www.eia.org
Copyright © 2017, Juniper Networks, Inc.
).