A method and apparatus for providing control and monitoring of a group of plain old telephone service stations from one control station. The system further comprises a search module searching the expected occurrences and the actual occurrences for a plurality of candidate solutions, wherein each solution is represented as a set of points in the three-dimensional space, and wherein each point corresponds to a location at a time. The temperature sensor is installed close to an outdoor unit and serves to sense an outdoor temperature. The contact on the back side, and the bonded contact on the circuit side, permit multiple components to be stacked with electrical connections between adjacent components. Revaprazan or its salt has an excellent preventive or treatment effect for gastrointestinal mucosal damage by potentiating a defensive factor in the gastrointestinal mucosa, simultaneously with acting as an acid pump antagonist. Various processes associated with a real storage manager are responsible for keeping the queue sections in balance, updating the queue sections, and removing entries from the queue to steal real storage frames.