Dell EMC PowerProtect DD9400, Installation Manual

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2
4 3
CL4868
1
Figure 26. Installing the right rail to the rear channel
5. Install the right rail to the front channel.
Refer to the following figure while performing task in this step.
a. Align the front of the right rail so that it is level and the front rail pins are aligned with the middle holes of the bottom two
U spaces of the 4U space.
b. Pull the rail forward, with the adapters aligned with the middle holes of the bottom two U spaces of the 4U space.
An audible click indicates that the connection is secure.
Front
Right
CL4866
Figure 27. Installing the right rail to the front channel
6. Install the left rail by repeating step 3 or step 4.
7. On both left and right rail assemblies, install a single long screw between the rail posts in the upper screw hole to secure the
rails as follows:
a. For Dell EMC racks or racks that do not have threaded holes, insert a single M5 screw into the larger of the two screw
holes.
b. For third-party racks with threaded holes, insert the M4 screw into the smaller of the two screw holes. The screw is
smaller than the threaded hole and will pass through the threads.
Install the Disk Shelves in the Rack 31