IBM SAN Volume Controller 2145-SV1 Hardware Installation Manual page 91

Figure 56. Screw locations to attach the inner rail to the enclosure
5. Install the inner section of the rail onto each side of the expansion enclosure, as shown in Figure 57 on
page 59.
Figure 57. Attaching the inner rail section to the enclosure
6. Use the M5 screws to install the outer rail member and bracket assembly to the rack, as shown in
Figure 58 on page 60.
Chapter 4. Installing an optional 5U SAS expansion enclosure 59