Dell PowerEdge 860 - Manual (Page 8)

6
Getting Started With Your System
Unpacking the System
Unpack your system and identify each item.
Keep all shipping materials in case you need them later.
Installing the Rails and System in a Rack
Once you have read the "Safety Instructions" located in the rack installation documentation
for your system, install the rails and the system in the rack.
See your rack installation documentation for instructions on installing your system in a rack.