Dell PowerEdge C5125 Guide De Mise En Route page 6

1 Pull on the latch release buttons on the end piece midpoints to open the
rail latches.
2 Align the end pieces of the rails on the vertical rack flanges to seat the pegs
in the bottom hole of the first U and the top hole of the second U. Engage
the back end of the rail until the latch locks in place.
NOTE:
The rails can be used in both square-hole and round-hole racks.
4
Installation and Configuration
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