The ornamental design for a connector, substantially as shown and described.
FIG. 1 is a top elevation view of a connector showing my new design;
FIG. 2 is a front elevation view thereof;
FIG. 3 is a back elevation view thereof;
FIG. 4 is a left-side view thereof;
FIG. 5 is a right-side view thereof;
FIG. 6 is a bottom view thereof;
FIG. 7 is a perspective view thereof; and,
FIG. 8 is a perspective view thereof as used in a typical usage environment.
The broken line portion of the figure drawings showing a typical usage environment consisting of an intelligent electronic device in FIG. 8 is included to show unclaimed subject matter only and forms no part of the claimed design.