A system for use in detecting the launching of a device, such as a wiper plug or a sealing ball, is described having a first component, such as a detectable object disposed within the device, and a second component, such as a sensor. The self-ballasted fluorescent lamp includes a cover, a lighting circuit, an arc tube, a base and a globe and formed into a shape whose outline dimensions are nearly identical to the standard dimensions of a typical light bulb. In one or more various embodiments, related systems include but are not limited to circuitry andor programming for effecting the foregoing-referenced method embodiments; the circuitry andor programming can be virtually any combination of hardware, software, andor firmware configured to effect the foregoing-referenced method embodiments depending upon the design choices of the system designer. The schedule is generated so that during the plural consecutive phases the node can transmit and receive scheduled user traffic before receiving in the plural consecutive phases scheduling information from another node which serves another set of service areas. Further, heat generated by the CPU can be reduced or suppressed.