... Breakout Board adapter for PC Stepper Motor Driver 6 axis Breakout boardCompatible: KCAM4 ; MACH3Built in DB25 male connector. DB25 Output Pin:P1,P2 ... ,P8,P9,P14,P16,P17. DB25 Input Pin: P10,P11,P12,P13,P15. DB25 GND Pin: P18-P25. Power supply: +5V DC ... . High quality with Surface-mount Tech. CNC DB25 Breakout Board adapter for PC Stepper Motor Driver