Control node includes: current memories provided in corresponding relation to a plurality of equipments to store, for each of the equipments, a first current data set for remote-controlling an operational condition of the equipment and a second current data set for remote-controlling a logical connection between the equipment and another equipment; and library memories provided in corresponding relation to the equipments to store, for each of the equipments, a plurality of first data sets each for remote-controlling the operational condition of the equipment and a plurality of second data sets each for remote-controlling the logical connection between the equipment and another equipment. In response to a scene readout instruction, first and second data sets, corresponding to the scene designated by the instruction, are read out from the library memories and stored into the current memories as first and second current data sets, and a readout command for the designated scene is transmitted, via a network, to each of the equipments.