Contents

Safety Instructions

5

SAFETY: Rack Mounting of Systems

5

Rack Installation Instructions

6

Rack Requirements

6

Before You Begin

6

Installation Tasks

7

Recommended Tools and Supplies

8

Removing and Replacing the Rack Doors

8

Removing and Replacing the Side Panels

12

Reversing the Front Door (optional)

15

Securing the Rack Leveling Feet

22

Installing the Rack Stabilizer Feet

24

Adjusting the Rack Posts (optional)

26

Routing Cables

28

Coupling Two Racks

33

Contents

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Dell 21DXJ, 4820 manual Contents