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Preparing the Site
• Port-side exhaust airflow—Cool air enters the chassis through the fan and power supply modules in the
• Port-side intake airflow—Cool air enters the chassis through the port end in the cold aisle and exhausts
You can identify the airflow direction of each fan and power supply module by its coloring as follows:
• Blue coloring indicates port-side exhaust airflow.
• Burgundy coloring indicates port-side intake airflow.
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
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
Also, you must have power receptacles that are located within reach of the power cords that are used with the
switch.
Warning
cold aisle and exhausts through the port end of the chassis in the hot aisle.
through the fan and power supply modules in the hot aisle.
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. If you must change
the airflow direction for the switch, you must shutdown the switch before changing the modules.
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).
Statement 1048 Rack Stabilization
The rack stabilizing mechanism must be in place, or the rack must be bolted to the floor before installation
or servicing. Failure to stabilize the rack can cause bodily injury.
Cisco Nexus 9364C-GX NX-OS Mode Switch Hardware Installation Guide
Rack and Cabinet Requirements
9
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