TThe CYT-133 is a media converter that enables the conversion of serial signals to TCP/IP, and it also includes a multi-DIO controller with a built-in web server. This device is suitable for use with various industrial automation devices. In certain applications, users can expand the site by using up to 9 downstream BF-51 units (3+3 DI/O extender), providing up to 30 sets of DIO interfaces. The CYT-133SC and BF-51 solution is a preconfigured solution that can help to reduce deployment and installation costs.