The ornamental design for a smart cardconnector, as shown and described.
FIG. 1 is a top perspective view of a smart card connector showing my new design.
FIG. 2 is a left side view thereof.
FIG. 3 is a right side view thereof.
FIG. 4 is a front view thereof.
FIG. 5 is a rear view thereof.
FIG. 6 is a bottom view thereof; and,
FIG. 7 is a top view thereof.
The even-broken line in the drawings represents unclaimed environment and forms no part of the claimed design. The dash-dot broken line represents the boundary of the claimed design.