Cisco Nexus 9516 Hardware Installation Manual page 30

Installing the Bottom-Support Rails
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
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 and secured to the concrete subfloor, see
• If any other devices are stored in the rack or cabinet, verify that they are located below where you plan
• Verify that the bottom-support rails kit is included in the switch accessory kit, see
Step 1 Position one of the two adjustable bottom-support rails at the lowest possible RU in the rack or cabinet. Adjust the length
of each rail so that it stretches from the outer edges of the front and rear vertical mounting rails on the rack. Be sure that
there is at least 21 RU (36.7 inches [93.4 cm]) of vertical space above the rails to install the chassis, see the following
figure.
You can expand the rail so that its mounting brackets are spaced between 24 to 32 inches (61.0 to 81.3 cm).
Cisco Nexus 9516 ACI-Mode Switch Hardware Installation Guide
20
heaviest component at the bottom of the rack.
unit in the rack.
Rack or Cabinet.
to install the switch. Also, verify that lighter devices in the same rack are located above where you plan
to install this switch.
Switch.
Installing a Chassis
Installing a
Inspecting the New