A signal transmission.

The invention relates to a signal transmission method. This method includes transmitting an address by an address transmission line in a cable by means of the serialisaticn a command address and a transmission line address transmitted from a controller (101) and transmit data thereto from the peripheral units (102, 103) by a transmission data transmission line (114) in the cable, transmitting data units from the controller in a line receiving data (115) in the cable, and transmitting a response and a control signal transmission / reception by other cable lines. Application in particular to the transmission of signals between a central controller and a plurality of controlled devices.