HP DL320 - ProLiant - G3 Setup And Installation Manual page 53

Server Installation
1. Starting at the bottom of the rack, or at the top of a previously mounted
component, secure the front side of 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
2. Align the template so that the sides of the template are squared up with the sides
of the rack. Tick marks on the rack's vertical rails help maintain the proper
alignment. The tick marks allow identification of the U-spaces.
4-2 HP ProLiant DL320 Generation 2 Server Setup and Installation Guide