An enclosure for distributing trunk cable to jumper cables includes: a compartment divider with a main panel, a top wall, a bottom wall, opposed side walls, at least one dividing wall that spans the side walls, and a guide wall that spans the top and bottom walls, the compartment divider including a plurality of compartments, each formed by the main panel, the guide wall, one of the side walls, and at least two of the top wall, the bottom wall, and the at least one dividing wall; and a cover that covers the compartment divider to enclose the compartments. The guide wall is configured to form a convex area and a concave area in each compartment. The enclosure further includes a jumper cable entry aperture in each compartment and a jumper cable exit aperture located on one of the side walls.