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2-7
Cisco Nexus 7000 Series Hardware Installation and Reference Guide
OL-23069-06
Chapter 2    Installing a Cisco Nexus 7009 Chassis
Installing the Bottom-Support Rails on the Rack
Figure 2-1 Positioning the Front-Mount Bottom-Support Rails
 
Step 2 Use a Phillips screwdriver to screw in two or three (three are recommended if you have three screw holes) 
M6 x 19 mm or 12-24 x 3/4 in. Phillips screws on the front end of each bracket (using a total of 6 screws 
for both brackets) as shown in Figure 2-2.
1 For the heaviest Cisco Nexus 7009 chassis to 
be installed in the rack, position two 
front-mount bottom-support rails at the lowest 
RU on the rack.
3 The distance between the bottom-support rails 
must be at least 26.25 inches (66.7 cm) 
(15 RU) for each Cisco Nexus 7009 chassis.
2 For the next lightest Cisco Nexus 7009 chassis 
to be installed in the rack, position two 
front-mount bottom-support rails 
immediately above the first installed chassis.