Rack And Cabinet Requirements - Cisco Nexus 9396PX Hardware Installation Manual
Nx-os mode switch
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- Hardware installation manual (68 pages) ,
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• Gray coloring on DC power supplies indicates port-side exhaust airflow.
• Green coloring on DC power supplies indicates port-side intake airflow.
Note
To prevent the switch from overheating and shutting down, you must position the air intake for the switch
in a cold aisle, and all of 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.
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
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
Additionally, you must have power receptacles located within reach of the power cords used with the switch.
For the power cord specifications, see the
Statement 1048—Rack Stabilization
Warning
Stability hazard. The rack stabilizing mechanism must be in place, or the rack must be bolted to the floor
before you slide the unit out for servicing. Failure to stabilize the rack can cause the rack to tip over.
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).
Power Cord
Specifications.
Cisco Nexus 9396PX NX-OS Mode Switch Hardware Installation Guide
Rack and Cabinet Requirements
11
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