Marking the Rack
You must allow 1 U (1.75 inches) of vertical space for each PowerEdge 1550 or PowerApp 120 you install in the rack.
NOTE: The vertical rails of the rack are marked by small indentations in
1 U (1.75 inches)
0.5inch
0.625 inch
0.625 inch
0.5inch
Figure 1-12. One Rack Unit
1.Determine where you want to place the bottom of the system.
CAUTION: If you are installing more than one system, install the first system in the lowest available position in the rack.
2.Place the front of the template on the vertical rails at the front of the rack where you want to install the system, positioning the bottom of the template in line with the desired bottom position of the computer chassis.
Ensure that the printing on the template identifies the side facing outward as the template front.