Installing The Chassis In A Two-Post Rack; Attaching Center-Mount Brackets To The Chassis - Cisco Nexus 9272Q Hardware Installation Manual

Installing the Chassis in a Two-Post Rack

For port-side intake airflow, the switch must have port-side intake fan and AC power supply modules with
one or more of the following colorings:
• Burgundy coloring on fan modules and AC power supplies
• Green coloring on DC power supplies
• White coloring on 1200-W HVAC/HVDC power supplies (dual-direction airflow power supplies with
For port-side exhaust airflow, the switch must have port-side exhaust fan and AC power supply modules with
one or more of the following colorings:
• Blue coloring on fan modules and AC power supplies
• Gray coloring on DC power supplies
• White coloring on 1200-W HVAC/HVDC power supplies (dual-direction airflow power supplies with
You can plan the positioning of the switch so that its ports are located close to ports on connected devices or
so that the fan and power supply modules are conveniently located in a maintenance aisle, and then order the
modules that move coolant air in the appropriate direction from the cold aisle to the hot aisle.
Note
All fan and power supply modules in the same switch must operate with the same direction of airflow and
the air intake portion of the switch must be located in a cold aisle.

Installing the Chassis in a Two-Post Rack

Before you install the chassis, be sure that the rack is fully secured to the data center floor.
You must attach mounting brackets to the chassis before mounting the chassis.

Attaching Center-Mount Brackets to the Chassis

You need to attach a right-angled bracket to each side of the chassis. This bracket centers the chassis and
secures it in place on a two-post rack.
Warning Statement 1006 Chassis Warning for Rack-Mounting and Servicing
To prevent bodily injury when mounting or servicing this unit in a rack, you must take special precautions to
ensure that the system remains stable. The following guidelines are provided to ensure your safety:
• This unit should be mounted at the bottom of the rack if it is the only unit in the rack.
• When mounting this unit in a partially filled rack, load the rack from the bottom to the top with the
• If the rack is provided with stabilizing devices, install the stabilizers before mounting or servicing the
Cisco Nexus 9272Q NX-OS Mode Switch Hardware Installation Guide
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their airflow direction set by the fan modules)
their airflow direction set by the fan modules)
heaviest component at the bottom of the rack.
unit in the rack.
Installing the Chassis