• 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
mounting rails that conform to English universal hole spacing per section 1 of the ANSI/EIA-310-D-1992
standard.
• The depth of a four-post rack must be 24 to 32 inches (61.0 to 81.3 cm) between the front and rear
mounting rails (for proper mounting of the bottom-support brackets or other mounting hardware).
Also, you must have power receptacles that are located within reach of the power cords that are used with the
switch.
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.
Warning
Clearance Requirements
Provide the chassis with adequate clearance between the chassis and any other rack, device, or structure so
that you can properly install the chassis. Provide the chassis with adequate clearance to route cables, provide
airflow, and maintain the switch. For the clearances required for an installation of this chassis in a four-post
rack, see the following figure.
Depth of the chassis5Chassis1
Maximum extension of the bottom-support rails
36.0 in (91.0 cm)
6Vertical rack-mount posts and rails2
Depth of the front clearance area (equal to the
depth of the chassis).
7Chassis width
17.3 in (43.9 cm)
3
Width of the front clearance area (equal to the
width of the chassis with two rack-mount
brackets that are attached to it).
19.0 in (43.3 cm)
4
Both the front and rear of the chassis must be open to both aisles for airflow.
Note
Cisco Nexus 9336C-FX2-E ACI-Mode Switch Hardware Installation Guide
10
Preparing the Site
Clearance Requirements
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