The FOXBORO P0926GV (FBM231) is a 4-port serial communication interface module designed for the Foxboro I/A Series and Evo™ distributed control systems (DCS). It provides robust, isolated serial connectivity to integrate a wide range of field devices and third-party systems into the control network. The module features four independent, galvanically isolated serial ports configurable for RS-232, RS-422, or RS-485 communication standards.