Cisco MDS 9148V-K9 Hardware Installation Manual page 21

Cabinet and Rack Installation
Requirements Specific to Solid-Walled Cabinets
• A minimum of 150 sq. in. (968 sq. cm) of open area to be available at the floor air intake of the cabinet.
• The lowest piece of equipment to be installed at a minimum of 1 RU (1.75 in. or 4.4 cm) above the floor
openings to prevent blockage of the floor intake.
Cisco MDS 9148V-K9 Switch Hardware Installation Guide
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