The ACCE-6DX-DSBLK installs onto a rack with the included brackets. The brackets mount to the 3 mounting sections on the rack's flange (Top, Center and Bottom). In order to help secure the back of the ACCE-6DX-DSBLK, additional brackets bolt onto the rack's rail holes. The ACCE-6DX-DSBLK includes the brackets, and doors. The ACCE-6DX-DSBLK does not support the installation of fiber spools within the cable manager.