Cisco MDS 9700 Series Installing page 9

Installing the Cisco MDS 9700 Series Switches
Figure 3: Positioning Bottom-Support Rail - Cisco MDS 9718 Chassis
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Step 2
Use a manual Phillips torque screwdriver to attach the bottom-support rail to the rack using at least three or four M6 x
19 mm or 12-24 x 3/4 inch screws for each end of the rail (using a total of 6 to 8 screws for the rail as shown
and tighten each screw to 40 in. lbs (4.5 N.m) of torque.
Attaching Bottom-Support Rails to a Four-Post Rack
Position two bottom-support rails at the lowest RU on the
rack.
Allow at least 45.5 inches (115.6 cm) (26 RU) for each
chassis.
Installing the Cisco MDS 9700 Series Switches
Figure 3-4)
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