The ornamental design for an switchboard for telecommunicationsswitchingsystem, as shown and described.
FIG. 1 is a perspective view of the switchboard for telecommunications
switching system showing my new design;
FIG. 2 is a front elevation of the FIG. 1; and
FIG. 3 is a side elevation of the FIG. 1;
The surfaces which would appear from a rear view are merely smooth,
uninterrupted extensions from the edges for the rear surfaces appearing
from FIGS. 1 and 3.