| 摘要 |
Provided is a first unit, which configures a point-to-multipoint communication system and is communiation-connected to each of multiple second units, the first unit comprising: a control signal extraction unit for extracting first control signals transmitted from the multiple second units, respectively; a signal switching unit for selecting one first control signal among the first control signals received through individual signal transmission lines, the signal switching unit including a switching circuit; a control unit for receiving a first control signal selected by the signal switching unit, determining an allocation identification (ID) to be allocated to a corresponding second unit on the basis of initial identification information of the selected first control signal, and controlling the determined allocation ID to be transmitted to the corresponding second unit. |
