Overview The SRCOLOKIT48U turns a standard 48U single-compartment rack into a dual-compartment colocation rack, allowing two different users to occupy 23U of space each. An included divider panel separates the two compartments, and the racks 42U front and rear doors are replaced by independently lockable 24U doors, each with its own unique, user-settable combination code. This colocation kit includes all necessary mounting hardware.