Further information for Phoenix Contact Phoenix 2902320 SUB bus connector - SUBCON-PLUS-PROFIB/35/M12
D-SUB connector, 9-pin, pin, assignment: 3, 5, 6, 8, two M12 cable entries (B-coded) at 35°. Bus system: PROFIBUS DP up to 12 Mbit/s. Terminating resistor via separate M12 terminator.