Siemens 6ES7972-0BB12-0XA0 

SIMATIC DP, BUS CONNECTOR FOR PROFIBUS UP TO 12 MBIT/S 90 DEGREE ANGLE CABLE OUTLET, 15,8 X 64 X 35,6 MM (WXHXD), TERMINAT. RESIST. WITH ISOLAT. FUNCTION, WITH PG SOCKET