The ornamental design for the electronics cabinet, as shown and described.
FIG. 1 is a perspective view of an electronics cabinet showing our new design;
FIG. 2 is a front left side elevational view;
FIG. 3 is a rear left side elevational view;
FIG. 4 is a rear right side elevational view;
FIG. 5 is a front right side elevational view;
FIG. 6 is a top plan view; and,
FIG. 7 is a bottom plan view.
The broken lines shown on the central, rectangular, hinged door in FIGS. 1, 2, and 5 that are immediately adjacent to the shaded areas represent the bounds of the claimed design, the long, wavy, dash-dot-dash lines cutting through the middle of the cabinet in FIGS. 1-5 indicate an indeterminate height, while all other broken lines are directed to environment and form no part of the claimed design.