The ornamental design for a cablesplitter, as shown and described.
FIG. 1 is a rear perspective view of a cable splitter, showing my new design;
FIG. 2 is a top view of the cable splitter shown in FIG. 1; a bottom view of the cable splitter shown in FIG. 1 is a mirror image of the top view shown;
FIG. 3 is a side view of the cable splitter shown in FIG. 1; the opposite side of the view shown in FIG. 3 is a mirror image of the side view shown;
FIG. 4 is a front view of the cable splitter shown in FIG. 1; and,
FIG. 5 is a rear view of the cable splitter shown in FIG. 1.
The broken lines showing cable cords in FIGS. 1 through 5 are for illustrative purposes only and form no part of the claimed design.