The ornamental design for a socketconnector, as shown and described.
FIG. 1 is a front perspective view of a socket connector showing our new design;
FIG. 2 is a front view thereof;
FIG. 3 is a rear view thereof;
FIG. 4 is a right side view thereof;
FIG. 5 is a left side view thereof;
FIG. 6 is a top view thereof;
FIG. 7 is a bottom view thereof; and,
FIG. 8 is a bottom perspective view thereof.
The broken lines depicting the terminal contacts of the socket connector form no part of the claimed design. The grey-fill shading is used as an aid to represent surface contour and to distinguish the surfaces from one another; and no contrast in appearance is hereby claimed.