Planning How To Position The Chassis In The Rack; Installing The Chassis In A Two-Post Rack; Attaching Center-Mount Brackets To The Chassis - Cisco Nexus 9396PX Hardware Installation Manual

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Installing the Chassis

Planning How to Position the Chassis in the Rack

The switch is designed so that you can have coolant air flow through the switch in one of the two following

directions:

• Enter the port side and exhaust out the power supply side (port-side intake airflow)

• Enter the power supply side and exhaust out the port side (port-side exhaust airflow)

For port-side intake airflow, the switch must have port-side intake fan and AC power supply modules with

burgundy colorings (the DC power supplies have green colorings). For port-side exhaust airflow, the switch

must have port-side exhaust fan and AC power supply modules with blue colorings. 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.

All fan and power supply modules in the same switch must have the same direction of airflow and the air

Note

intake portion of the switch must be located in a cold aisle.

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.

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.

If you are installing the chassis in a two-post rack, see

Note

on page 20

Attaching Front-Mount Brackets to the Chassis,

Cisco Nexus 9396PX NX-OS-Mode Switch Hardware Installation Guide

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