Rack And Cabinet Requirements - Cisco Nexus 9504 Hardware Installation Manual

Preparing the Site
The switch can be powered by a mix of AC, DC, HVAC/HVDC power sources.
Note

Rack and Cabinet Requirements

You can install the following types of racks or cabinets for your switch:
• Standard perforated cabinets
• Solid-walled cabinets with a roof fan tray (bottom-to-top cooling)
• Standard open four-post Telco racks
To install the switch in a cabinet that is located in a hot-aisle and cold-aisle environment, fit the cabinet with
baffles to prevent exhaust air from recirculating into the chassis air intake.
Work with your cabinet vendors to determine which of their cabinets meet the following requirements or see
the Cisco Technical Assistance Center (TAC) for recommendations:
• Use a standard 19-inch (48.3-cm), four-post Electronic Industries Alliance (EIA) cabinet or rack with
• The height of the rack or cabinet must accommodate the 7.1-RU (12.4 inches or 31.6 cm) height of the
• The depth of a four-post rack must be 24 to 32 inches (61.0 to 81.3 cm) between the front and rear
• Required clearances between the chassis and the edges of its rack or the interior of its cabinet are as
Also, you must consider the following site requirements for the rack:
• Power receptacles must be located within reach of the power cords that are used with the switch.
Note
mounting rails that conform to English universal hole spacing per section 1 of the ANSI/EIA-310-D-1992
standard.
switch and its bottom support bracket.
mounting rails (for proper mounting of the bottom-support brackets or other mounting hardware).
follows:
• 4.5 inches (11.4 cm) between the front of the chassis and the front of the rack or interior of the
cabinet (required for cabling and module handles).
• 3.0 inches (7.6 cm) between the rear of the chassis and the interior of the cabinet (required for airflow
in the cabinet if used).
• No clearance is required between the chassis and the sides of the rack or cabinet (no side airflow).
• Power cords for the 3-kW AC power supplies are 8 to 12 feet (2.5 to 4.3 m) long.
• Power cords for the 3-kW Universal AC power supplies are 14 feet (4.27 m) long.
The power cables for the 3-kW DC power supply are provided by and sized
you.
Cisco Nexus 9504 NX-OS Mode Switch Hardware Installation Guide
Rack and Cabinet Requirements
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