EMC Rails and Enclosures (CX4 Series Storage Systems) Field Installation Guide
39
Installing a 2U SPS tray (106-561-015) and SPS units in a cabinet
If you are installing another device in the cabinet, continue with the 
appropriate instructions. For example, to add a storage processor 
enclosure above the SPS you just installed, refer to “Installing a 4U 
storage processor enclosure (SPE) in a cabinet” on page 40.
Next, cable the enclosures and SPS units as described in the 
appropriate setup guide.