![MG_9644](https://i0.wp.com/www.treetech.com.br/wp-content/uploads/2014/12/MG_9644.jpg?fit=300%2C300&ssl=1)
Convert to a serial communication with open protocols digital and analog signal information (contacts). Makes the digital system interface to any analog or electromechanical equipment that does not have serial port and needs to be supervised or controlled.