3. Locate the orientation markers on the mounting rails:
The front end of the rails is marked FRONT
The rear end of the rail is marked with L L for left and R R for right.
4. Fasten the mounting rails to the rack columns:
a. Retract and hold the rear retention bracket.
b. Insert the pins on the mounting flange into the rack column holes.
c. Release the rear retention bracket.
FRONT.
HPE ProLiant ML110 Gen11 Server User Guide
79