Fully support of MACH3 and other computer software support for parallel port control USB power supply and peripherals powered phase separation to protect computer security Peripheral wide voltage input,12-24V, and anti-reverse function All of the input signal, all the light lotus isolated, which can be accessed emergency stop on the cutter, the limit to protect computer security All the way to the relay output port, control spindle switch Output port P17 mouth All the way through the optocoupler isolated 0-10V analog voltage output can be controlled with the corresponding analog interface converter to control the spindle speed Output port P1 port Open all 17 ports, which can be accessed with the optocoupler drive, 5-axis stepper motor can be controlled P1 as PWM outputs can be controlled with optocoupler input spindle governor It can be accessed by a common cathode or common anode input level to 5V drive Notebook computer must bring their own parallel port, USB transform parallel port can not be usedMACH3 software support WIN XP system (recommended ),32 bit system can be used ,64-bit system does not supportColour: BlueMaterial: MetalPackage Contents:1 x Stepper motor1 x UsbOnly the above package content, other products are not included Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing The measurement allowed error is +/- 1-3cm