The ornamental design for connecting modules, as shown and described.
FIG. 1 is a top perspective view of a connectivity module showing our new design;
FIG. 2 is a right side elevation view thereof;
FIG. 3 is a front elevation view thereof;
FIG. 4 is a rear elevation view thereof;
FIG. 5 is a left side elevation view thereof;
FIG. 6 is a top plan view thereof; and,
FIG. 7 is a bottom plan view thereof.
The even-broken line in the figure drawing views represents unclaimed environment and forms no part of the claimed design. The claimed portions of the claimed design are all surfaces with shade lines.