D-SUB connector - 9-pos. female connector - two cable entries < 35° - bus system: CAN - SUCONET K1 - K2 (MOELLER) - S-BUS (Saia) - J-BUS (Merlin Gerin) - pin assignment: 2 - 3 - 4 - 5 - 7 - 9 to two screw connection terminal blocks