All kinds with rs485 port device parameter settings , data communication
short distance , such as parameter settings of the computer peripheral equipment , the use of common data lines can be .
A and a port of the device when the wiring is connected , b and device b connected . Some devices d + a and d, - b .
Features:
usb to rs485 converter adapter
usb connector: to your pc
rs485 connector: to your rs485 device
no need external power, powered by usb port
fully compliant usb 2.0 standard , backward compatible with usb1.1