Connecting adapter for a connection terminal assembly, wherein the connection terminal assembly has a number of electrical connection terminals, said connecting adapter comprising: a printed circuit board with a comb-shaped conductor structure comprising the number of comb tines, wherein the comb tines each have an electrical contact surface; an electrical connector interface for a connector, wherein the electrical connector interface has electrical terminals which are electrically connected to the electrical contact surfaces of the comb tines, and wherein the electrical connector interface is arranged on the printed circuit board; characterized by an electrical signal transmission interface, in particular an electrical signal transmission interface formed in or on the printed circuit board, wherein the electrical signal transmission interface is electrically connected to the electrical connector interface; a further printed circuit board with a comb-shaped conductor structure comprising a plurality of comb tines, wherein the comb tines each have an electrical contact surface; and a further electrical signal transmission interface, in particular a further electrical signal transmission interface formed in or on the further printed circuit board, wherein the further signal transmission interface is electrically connected to the electrical signal transmission interface of the printed circuit board and to the electrical contact surfaces of the comb tines of the further printed circuit board, wherein the printed circuit board and the further printed circuit board are arranged one above the other and at a distance from one another, and wherein the printed circuit board and the further printed circuit board are arranged at a distance from one another by means of a spacer bolt. a printed circuit board with a comb-shaped conductor structure comprising the number of comb tines, wherein the comb tines each have an electrical contact surface; an electrical connector interface for a connector, wherein the electrical connector interface has electrical terminals which are electrically connected to the electrical contact surfaces of the comb tines, and wherein the electrical connector interface is arranged on the printed circuit board; characterized by an electrical signal transmission interface, in particular an electrical signal transmission interface formed in or on the printed circuit board, wherein the electrical signal transmission interface is electrically connected to the electrical connector interface; a further printed circuit board with a comb-shaped conductor structure comprising a plurality of comb tines, wherein the comb tines each have an electrical contact surface; and a further electrical signal transmission interface, in particular a further electrical signal transmission interface formed in or on the further printed circuit board, wherein the further signal transmission interface is electrically connected to the electrical signal transmission interface of the printed circuit board and to the electrical contact surfaces of the comb tines of the further printed circuit board, wherein the printed circuit board and the further printed circuit board are arranged one above the other and at a distance from one another, and wherein the printed circuit board and the further printed circuit board are arranged at a distance from one another by means of a spacer bolt.