A device comprising - a housing, - wherein the housing comprises at least three rows of connectors, namely a first row of connectors (V bat, b1a, b1b,) and a second row of connectors (GND, b2a, b2b) and a third row of connectors (V bat, b3a, b3b) and possibly a fourth row of connectors (GND, b4a, b4b), - wherein each of the three or four rows of connectors has at least one adjacent row of connectors on the housing, which is arranged at an angle, in particular an acute angle or an obtuse angle or an angle of 90° with respect to said row of connectors, - at least one light emitting means (LED1, LED2, LED3), - wherein the at least one light emitting means (LED1, LED2, LED3 is arranged in a recess of a housing or on the housing, characterized in that the device for connection as a bus node to a differential two-wire data bus (b1b2b3) of a data bus system for the transmission of illumination data for light emitting means (LED1, LED2, LED3, LED4), wherein the two-wire data bus (b1b2b3) comprises a plurality of two-wire data bus sections (b1, b2, b3) divided by bus nodes, - wherein each row of connectors has a connector for either a first, in particular negative supply potential or a second, in particular positive supply potential (V bat), - wherein, of two adjacent rows of connectors of the housing, one row of connectors has a connector for the first supply potential and the other row of connectors has a connector for the second supply potential (V bat), - wherein, with respect to a clockwise or counter-clockwise counting direction, the respective supply potential connector of all rows of connectors of the housing is the first connector of the row of connectors, respectively, - wherein each row of connectors comprises two bus connectors (b1a, b1b, b2a, b2b, b3a, b3b, b4a, b4b) for one respective two-wire data bus section (b1, b2, b3), - wherein the two bus connectors (b1a, b1b, b2a, b2b, b3a, b3b, b4a, b4b) for a two-wire data bus section (b1, b2, b3) are situated adjacent to the supply potential connector of the respective row of connectors. - a housing, - wherein the housing comprises at least three rows of connectors, namely a first row of connectors (V bat, b1a, b1b,) and a second row of connectors (GND, b2a, b2b) and a third row of connectors (V bat, b3a, b3b) and possibly a fourth row of connectors (GND, b4a, b4b), - wherein each of the three or four rows of connectors has at least one adjacent row of connectors on the housing, which is arranged at an angle, in particular an acute angle or an obtuse angle or an angle of 90° with respect to said row of connectors, - at least one light emitting means (LED1, LED2, LED3), - wherein the at least one light emitting means (LED1, LED2, LED3 is arranged in a recess of a housing or on the housing, - wherein each row of connectors has a connector for either a first, in particular negative supply potential or a second, in particular positive supply potential (V bat), - wherein, of two adjacent rows of connectors of the housing, one row of connectors has a connector for the first supply potential and the other row of connectors has a connector for the second supply potential (V bat), - wherein, with respect to a clockwise or counter-clockwise counting direction, the respective supply potential connector of all rows of connectors of the housing is the first connector of the row of connectors, respectively, - wherein each row of connectors comprises two bus connectors (b1a, b1b, b2a, b2b, b3a, b3b, b4a, b4b) for one respective two-wire data bus section (b1, b2, b3), - wherein the two bus connectors (b1a, b1b, b2a, b2b, b3a, b3b, b4a, b4b) for a two-wire data bus section (b1, b2, b3) are situated adjacent to the supply potential connector of the respective row of connectors.