Central control unit for an alarm system
FIG. 1 is a front elevation view of a central control unit for an alarm system showing our new design; 
     FIG. 2 is a right side elevation view thereof, the left side being a mirror image; 
     FIG. 3 is a rear elevation view thereof. 
     FIG. 4 is a top plan view thereof. 
     FIG. 5 is a bottom plan view thereof. 
     FIG. 6 is a front perspective view thereof.