Rack And Cabinet Requirements - Cisco Nexus 9396TX Installation Manual

Rack and Cabinet Requirements

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
• Standard open two-post Telco racks
Note
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 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 have power receptacles that are located within reach of the power cords that are used with the
switch.
Cisco Nexus 9396TX ACI-Mode Switch Hardware Installation Guide
10
To prevent the switch from overheating and shutting down, you must position the air intake for the switch in
a cold aisle. The fan and power supply modules must have the same direction of airflow (even if their coloring
is different). If you must change the airflow direction for the switch, you must shutdown the switch before
changing the modules.
Installation into a two-post rack in not suggested, nor is it earthquake safe nor
NEBS compliant
mounting rails that conform to English universal hole spacing per section 1 of the ANSI/EIA-310-D-1992
standard.
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 interior of the cabinet (required for
cabling).
• 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).
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