Cisco Nexus 7000 Hardware Installation And Reference Manual page 128

Installing the Bottom-Support Rails on the Rack
Figure 5-1
1 For the first and heaviest chassis installed in a
rack, position two bottom-support rails at the
lowest RU on the rack.
Use a Phillips torque screwdriver to screw in at least three (four if possible) M6 x 19 mm or 12-24 x 3/4
Step 2
inch Phillips screws on each end of each rail (using a total of 16 screws for both brackets) as shown in
Figure
Cisco Nexus 7000 Series Hardware Installation and Reference Guide
5-6
Positioning the Bottom-Support Rails
5-2. Tighten each screw to a maximum of 40 in-lb [4.5 N·m]) of torque.
Chapter 5 Installing a Cisco Nexus 7018 Chassis
2 Allow at least 43.75 inches (111.1 cm)
(25 RU) for each Cisco Nexus 7018 system.
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