Compaq ProLiant DL380 - G2 Server Setup And Installation Manual page 84

Use the rack template to identify the required space and location for your
server:
1. Identify the front side of the template.
2. Starting at the bottom of the rack, or at the top of a previously mounted
component, secure the template against the front of the rack by pressing
the two push tabs. Match the hole pattern on the template with the holes
on the vertical rails of the rack.
Figure 4-1. Measuring with the template
Installing the Server 4-3