Juniper EX4500-40F-BF, Complete Hardware Manual, Page: 103 / 294

CHAPTER 5
Rack and Cabinet Requirements
• Rack Requirements for EX4500 Switches on page 85
• Cabinet Requirements for EX4500 Switches on page 86
•
Clearance Requirements for Airflow and Hardware Maintenance for EX4500
Switches on page 87
Rack Requirements for EX4500 Switches
You can mount the switch on two-post racks or four-post racks.
Rack requirements consist of:
• Rack type
•
Mounting bracket hole spacing
•
Rack size and strength
• Rack connection to the building structure
Table 30 on page 85 provides the rack requirements and specifications for the switch.
Table 30: Rack Requirements and Specifications for the Switch
Guidelines Rack Requirement
Use a two-post rack or a four-post rack. You can mount the switch on any two-post or
four-post rack that provides bracket holes or hole patterns spaced at 1 U (1.75 in. or
4.45 cm) increments and that 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
) .
Rack type
The holes in the mounting brackets are spaced at 1 U (1.75 in. or 4.45 cm), so that the
switch can be mounted in any rack that provides holes spaced at that distance. Mounting bracket hole spacing
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