Cabin connector component for connecting ISOBUS devices to an ISOBUS based on the ISO 11783 standard, with - electrical lines ( L1, L3 and L5) for transmitting a positive CAN data bus difference signal ( CAN_H), and - electrical lines ( L2, L4 and L6) for transmitting a negative CAN data bus difference signal ( CAN _ L), and also - at least two cabin connectors ( C1, C2) for respective electrical and mechanical connection of the cabin connector component to a respectively matching connector counterpart, and characterized by a branch to and from an electronic controller or to and from a third cabin connector of the cabin connector component wherein the electrical lines ( L1, L3 and L5) for transmitting the positive CAN data bus difference signal ( CAN _ H) and the electrical lines ( L2, L4 and L6) for transmitting the negative CAN data bus difference signal ( CAN_L) are respectively provided - as a first line for transmitting the positive CAN data bus difference signal ( CAN_H) and as a second line for transmitting the negative CAN data bus difference signal ( CAN_L) in a first section between the first cabin connector and the second cabin connector, and - as a third line for transmitting the positive CAN data bus difference signal ( CAN_H) and as a fourth line for transmitting the negative CAN data bus difference signal ( CAN_L) in a second section between the first cabin connector and the branch, and also - as a fifth line for transmitting the positive CAN data bus difference signal ( CAN _ H) and as a sixth line for transmitting the negative CAN data bus difference signal ( CAN_L) in a third section between the branch and the second cabin connector such that the first line, running in the first section between the first cabin connector and the second cabin connector, for the positive CAN data bus difference signal ( CAN _ H) is electrically isolated, within the cabin connector component, from the third line, running in the second section between the first cabin connector and the branch, for the positive CAN data bus difference signal ( CAN_H), and that the second line, running in the first section between the first cabin connector and the second cabin connector, for the negative CAN data bus difference signal ( CAN_L) is electrically isolated, within the cabin connector component, from the fourth line, running in the second section between the first cabin connector and the branch, for the negative CAN data bus difference signal ( CAN _ L). - electrical lines ( L1, L3 and L5) for transmitting a positive CAN data bus difference signal ( CAN_H), and - electrical lines ( L2, L4 and L6) for transmitting a negative CAN data bus difference signal ( CAN _ L), and also - at least two cabin connectors ( C1, C2) for respective electrical and mechanical connection of the cabin connector component to a respectively matching connector counterpart, and - as a first line for transmitting the positive CAN data bus difference signal ( CAN_H) and as a second line for transmitting the negative CAN data bus difference signal ( CAN_L) in a first section between the first cabin connector and the second cabin connector, and - as a third line for transmitting the positive CAN data bus difference signal ( CAN_H) and as a fourth line for transmitting the negative CAN data bus difference signal ( CAN_L) in a second section between the first cabin connector and the branch, and also - as a fifth line for transmitting the positive CAN data bus difference signal ( CAN _ H) and as a sixth line for transmitting the negative CAN data bus difference signal ( CAN_L) in a third section between the branch and the second cabin connector