IBM System Storage EXN3200 Installation And Setup Instructions page 10

Front of rack
Locating pins
Figure 4. Installing the rails into the rack
1. Loosen (but do not remove) the four rail adjustment screws on each rail.
2. Use Figure 5 on page 3 for reference. At the front of the rack, position the right-hand rail into the rack
at the appropriate EIA location (make sure that the two locating pins seat properly). The bottom of
the rail should line up with the bottom EIA boundary.
2
Rear of rack
Left rail
Right rail
Rail adjustment
screws