Cisco Nexus 7718 Hardware Installation Manual page 33

Installing the Chassis
can expand the rail so that its mounting brackets are spaced between 24 to 32 inches (61.0 to 81.3 cm). See
the following figure.
Figure 5: Positioning Bottom-Support Rails for a Cisco Nexus 7718 Chassis
1
OL-30453-01
Position two bottom-support rails at the
lowest RU on the rack.
Cisco Nexus 7718 Switch Site Preparation and Hardware Installation Guide
Installing the Bottom-Support Rails
2 Allow at least 45.5 inches (115.6 cm) (26 RU)
for each Cisco Nexus 7718 chassis.
23