Docking station

The embodiment of the utility model discloses a docking station, and relates to the technical field of peripherals. The docking station comprises a docking station body, the device comprises at leasttwo signal input interfaces, a signal transmission channel, a channel switching unit, a signal conversion unit, an MCU and a signal output interface, the signal conversion unit comprises a DPCD register; the MCU is connected with the channel switching unit and the signal conversion unit, and is used for acquiring channel information of each signal transmission channel through the channel switchingunit and indicating the signal conversion unit to write the channel information into the DPCD register, so that the intelligent equipment reads the channel information in the DPCD register through the signal output interface; and/or the channel switching unit is used for reading switching channel information in the DPCD register and controlling the channel switching unit to switch a currently used signal transmission chan