Asus RS740-E7-RS24-EG - Manual (Page 61)

3-3 ASUS RS740-E7-RS24-EG
4. (Optional) Install the cage nuts at the back end of the rack rails (left and right).
Insert the two cage nuts into the two square mounting holes above the mounting hole
where the rack rail’s square stud is installed. Do the same for the other side of the rack
rail.
square hole with
installed cage nut
empty square hole
cage nut
5. (Optional) Install the stopping bracket to the rack.
5.a Align the screw holes of the stopping bracket to the screw holes of the cage nut.
5.b Secure the stopping bracket to the rack using the two bundled screws.
5.c Do steps 5.a and 5.b to install the other set of metal stopping bracket.