Cisco Nexus 36180YC-R Hardware Installation Manual page 36

About Requirements for Perforated Cabinets
To help with cable management, consider planning additional space in the rack or cabinet above and below
Note
the chassis to make it easier to route all of the fiber optic or copper cables through the rack.
About Requirements for Perforated Cabinets
A perforated cabinet has perforations in its front and rear doors and side walls. In addition to the requirements
listed in the "General Requirements for Cabinets and Racks" section, perforated cabinets must meet the
following requirements:
• The front and rear doors must have at least a 60-percent open area perforation pattern, with at least 15
• The roof should be perforated with at least a 20-percent open area.
• The cabinet floor should be open or perforated to enhance cooling.
The Cisco R Series rack conforms to these requirements.
About Requirements for Open Racks
In addition to the requirements listed in the "General Requirements for Cabinets and Racks" section on page
A-1, if you are mounting the chassis in an open rack (no side panels or doors), ensure that the rack meets the
following requirements:
• The minimum vertical rack space per chassis must be two rack units (RU), equal to 3.47 inches (8.8
• The horizontal distance between the chassis and any adjacent chassis should be 6 inches (15.2 cm), and
Cisco Nexus 3600 Hardware Installation Guide
32
square inches (96.8 square cm) of open area per rack unit of door height.
cm).
the distance between the chassis air vents and any walls should be 2.5 inches (6.4 cm).
Rack Specifications