Installing The Chassis In A Four-Post Rack - Cisco Nexus 9336PQ Hardware Installation Manual

Installing the Chassis in a Four-Post Rack

1 Front-mount bracket with two screw holes aligned to
two screw holes in the chassis and one screw hole
facing the front (port side) of the chassis.
Step 2 Use two M4 x 6 mm screws to attach the bracket to the chassis. Tighten each screw to 11 to 15 in-lb (1.2 to 1.7 N·m).
Step 3
Repeat Steps 1 and 2 to attach the second center-mount bracket to the other side of the chassis.
What to Do Next
You are ready to mount the chassis to the four-post rack.
Installing the Chassis in a Four-Post Rack
You need to slide the chassis onto the bottom-support rails so that the power supply end locks onto the chassis
stops at the end of the rails and so that the front-mount brackets on the chassis come into contact with the
front-mount rails on the rack.
Statement 1074—Comply with Local and National Electrical Codes
Warning
Installation of the equipment must comply with local and national electrical codes.
Statement 1032—Lifting the Chassis
Warning
To prevent personal injury or damage to the chassis, never attempt to lift or tilt the chassis using the
handles on modules (such as power supplies, fans, or cards); these types of handles are not designed to
support the weight of the unit.
Before You Begin
• Make sure that the four-post rack is properly installed and secured to the concrete subfloor.
• Make sure that the bottom-support rails are installed so that the fan modules will be in the appropriate
• Make sure that two front-mount brackets are securely fastened to the sides of the chassis at the port end.
• Make sure that you have two customer-supplied rack-mount screws (M6 x 10 mm or appropriate screw
Cisco Nexus 9336PQ ACI-Mode Switch Hardware Installation Guide
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aisle as follows:
◦ Burgundy (port-side intake airflow) fan modules are positioned in a hot aisle (the chassis stop on
the bottom-support rails is positioned by the hot aisle).
◦ Blue colored (port-side exhaust airflow) fan modules are positioned in a cold aisle (the chassis
stop on the bottom-support rails is positioned by the cold aisle).
for the vertical mounting rails on the rack).
2 Two M4 x 6 mm screws used to fasten the bracket to
the chassis.
Installing the Chassis