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EMC Rails and Enclosures (CX4 Series Storage Systems) Field Installation Guide
Installing a 2U storage processor enclosure (SPE) in a cabinet
Follow these steps to install the enclosure on the rails in the cabinet:
1. With help from another person, lift the enclosure and, from the front 
of the cabinet, slide the enclosure onto the rails as shown in 
Figure 12.
Figure 12 Sliding an enclosure onto the mounting rails 
When the enclosure slides to the back of the cabinet, the two 
notches in the rear of the enclosure insert into the rear tabs on 
each rail. The tabs secure and support the rear of the enclosure. 
If the chassis does not slide all the way into the cabinet, you may 
need to loosen the screws that hold the rear of the rails in place, 
then adjust the rails to allow the tabs to fit into the notches.
2. Once the enclosure is completely seated into the rear tabs, tighten 
the two screws (one on each rail) that secure the rails to the front 
channels. 
CL4137