Dell H952N - Manual (Page 21)

21 Installation |
6 Slide the cabinet into the rack (see Figure 12). Repeat for any additional cabinets.
Figure 12. Installing the Cabinet
7 Secure the front of the cabinet to the rack using the four thumbscrews on the mounting brackets
(see Figure 13). Tighten by hand; do not use power tools. Repeat for any additional cabinets.
Figure 13. Securing the Cabinet