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.
 
            -  The rack should support approximately 270 kg (600 lb).