IBM EMX0 PCIe Gen3 Installing page 23

Figure 5. Installing the rails
5. Starting at the front of the rack, complete the following steps:
a) Extend the right rail and insert the rail pins (D) into the two lowest mounting holes that are marked
on the rack so that the rail is facing upward.
b) Rotate up the front clamp (C) to secure the rail in place.
Remember: If your rack has square mounting holes, use the larger rail pins that are provided with
the rack installation kit.
c) Extend the left rail and insert the rail pins (D) into the two lowest mounting holes that are marked
on the rack. Rotate up the front clamp (C) to secure the rail in place.
Installing an EMX0 PCIe Gen3 I/O expansion drawer 9