Cisco Nexus 9396PX Hardware Installation Manual page 32

Attaching the Bottom-Support Rails to the Rack
• Port-side intake (burgundy coloring for fan modules) airflow requires that the bottom-support rail with
• Port-side exhaust (blue coloring for fan modules) airflow requires that the bottom-support rail with the
Warning Statement 1074—Comply with Local and National Electrical Codes
Installation of the equipment must comply with local and national electrical codes.
Before You Begin
Before you can install the bottom support rails for the chassis, you must do the following:
• Verify that a four-post rack or cabinet is installed.
• If any other devices are stored in the rack or cabinet, verify that the heavier switches are installed below
• Verify that the bottom-support rails kit is included in the switch accessory kit.
• Verify that you have 8 screws for attaching the bottom support brackets to the racks (typically M6 x 10
Statement 1006—Chassis Warning for Rack-Mounting and Servicing
Warning
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
Step 1 Look at the fan and power supply modules installed in the chassis to determine how you must position the bottom-support
rails on the rack.
• If the fan modules have blue coloring (port-side exhaust modules), you must position the bottom support rails so
that the chassis stop is positioned by the cold aisle.
• If the fan modules have burgundy (port-side intake modules), you must position the bottom support rails so that
the chassis stop is positioned by the hot aisle.
Cisco Nexus 9396PX NX-OS Mode Switch Hardware Installation Guide
22
the chassis stop be located on the hot aisle side of the rack.
chassis stop be located on the cold aisle side of the rack.
lighter switches and that there is at least 2 rack units open to install the switch.
mm screws or the screw appropriate for the vertical mounting rails on the rack.
heaviest component at the bottom of the rack.
the unit in the rack.
Installing the Chassis