Dell EMC Unity 480/F Installation And Service Manual page 32

Installation Procedures
Unity 480/F, Unity 680/F, Unity 880/F Installation and Service Guide
32
Figure 16 Push rail into rear channel mounting holes
4. From the rear of the cabinet, secure the rails in place using one M5 screw on
each rail.
Figure 17 Installing the M5 Screw
5. Working from the front of the cabinet, align the adaptor with the mounting hole
on the front of the rack as shown in
CAUTION
Ensure the holes on the rail line up with the holes on the cabinet. This will
ensure proper alignment of the rails. Also, check that the rails are level
from front-to-back and left-to-right. Ensure you are using the same unit
markers from the front of the cabinet to the rear of the cabinet.
6. Push in on the spring clip while pulling the rail forward. When the spring clip is
forward of the front rack channel, and the adaptor is in the mounting holes,
release the spring clip so it holds the rail in place.
CAUTION
Ensure the spring clip is securely attached to the channel. It may be
necessary to push in on the clip to assist in snapping it into place.
Figure 18 on page 33.