EMC Rails and Enclosures (CX4 Series Storage Systems) Field Installation Guide
23
Installing a 2U SPS tray (100-561-369) and SPS units in a cabinet
Figure 16 2U pin alignment
3. Extend the rail to the front cabinet channel. Align the holes of the 
front rail flange to the inside of the channel, ensure that the rail is 
level, and then install an M5 x 16-mm Phillips securing screw in 
the center hole, as shown in Figure 17. 
Figure 17 Installing the 2U SPS adjustable rails
2U
Alignment pins
here
EMC3479
EMC3461
SPS adjustable rail
Right rear
Screw (2)
Alignment 
pin (2)
Mounting rail
Right front
Mounting rail
Screw (1)