52
EMC Rails and Enclosures (CX4 Series Storage Systems) Field Installation Guide
Installing a 3U disk enclosure (DAE) in a cabinet
4. Pull the adjustable rail forward to the inner side of the front 
channel (the surface facing the rear of the cabinet), and align the 
four holes on the rail with those in the channel.
5. Secure the rail to the front channel using two of the provided 
screws at the middle two holes of the rail. Leave the screws slightly 
loose to allow for adjustment after you install the enclosure.
6. Repeat Steps 3 through 5 on the left side, with the left rail. 
7. From the rear of the cabinet, use two of the provided screws to 
secure each rail to the rear channel. Tighten the screws.
Figure 42 Installing the adjustable mounting rails 
Alignment Pins
Here
EMC2892a
3U
Rear Channels
EMC3452
Right rear
Screw (2)
Alignment 
pin (2)
Mounting rail
Alignment pins
Adjustable rail
Right front
Mounting rail
Screw (2)