A division and assignment section of a radio equipment control divides an information region of a frame used for exchanging information with radio equipments connected thereto in a daisy-chain fashion, and assigns the information region after the division to the radio equipments. A transmission section transmits address information for the information region assigned to the radio equipments to the radio equipments. A receiving section of the radio equipment receives a frame from the radio equipment control or the radio equipment. A position recognition section recognizes a connection position of the radio equipment connected in the daisy-chain fashion on the basis of positional information included in the frame received. An acquisition section refers to the frame on the basis of the recognized connection position of the radio equipment, and acquires address information for the information region of the frame used for exchanging information with the radio equipment control.