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Rack and Cabinet Specifications and Recommendations
Racks and cabinets should conform to conventional standards.
In the United States, use EIA Standard RS-310C: Racks, Panels, and Associated Equipment.
In countries other than the United States, use IEC Standard 297. In addition, verify that your rack meets
the basic mechanical, space, and earthquake requirements that are described in this section.
Mechanical Recommendations for the Rack
Use equipment racks that meet the following mechanical recommendations:
•
Use an open style, 19-inch rack to facilitate easy maintenance and to provide proper ventilation.
•
Use a rack made of steel or aluminum.
•
The rack should use the universal mounting rail hole pattern that is identified in IEC Standard 297.
•
The rack should have designated earth grounding connections (typically on the base).
•
The rack must meet earthquake safety requirements equal to that of the installed chassis.
•
The mounting holes should be flush with the rails to accommodate the chassis.
Protective Grounding for the Rack
Use a rack grounding kit and a ground conductor that is carried back to earth or to another suitable
building ground.
Use a rack grounding kit and a ground conductor that is carried back to earth or to another suitable
building ground.
Before you install an E4G series router in an equipment rack, clean the rack and mounting bracket
surfaces and apply an antioxidant. When you secure an E4G series router to the rack, use thread-
forming mounting screws that remove any paint or non-conductive coatings and establish metal-to-
metal contact.
Extreme Networks equipment is designed with mounting brackets that provide solid metal-to-metal
connection to the rack.
Note
Because building codes vary worldwide, Extreme Networks strongly recommends that you
consult an electrical contractor to ensure proper equipment grounding for your specific
installation.
At a minimum, follow these guidelines to ground equipment racks to the earth ground:
•
CAD weld appropriate wire terminals to building I-beams or earth ground rods.
•
Use a minimum 14 AWG stranded copper wire for grounding an E4G-200 router or a DC-powered
E4G-400 router.
An AC-powered E4G-400 router does not need separate chassis grounding.
E4G Routers Hardware Installation Guide
Site Preparation
27
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