A supercontinuum optical pulse source provides a combined supercontinuum. Test data loaded by a tester into the logic product to apply to portions of combinational logic circuitry therein in order to detect faults comprises care bits and non-care bits. The dispenser includes a drive mechanism that further includes an actuator for actuating the dispenser; and a drive wheel, wherein the drive wheel further includes mechanical means for engaging the actuator. Users may be ranked according to signal quality, and network resources may be allocated to users according to rank to satisfy users until the resources of the network are allocated.