Dell Power Supply C8000 Owner's Manual page 224

Figure 4-1. Installing the Front End of the Rail
2
1 rail release button
3 rack post
Press and hold the rail release button to open the latch on the back
e
end of the rail. See Figure 4-2.
Align the three pegs with the mounting holes on the back rack post.
f
See Figure 4-2.
Release the button when it engages to the back rack post. See
g
Figure 4-2.
224
Rack Mount Configuration
1
2 rail pegs (3)
3