The FANUC A20B-2902-0273 is an industrial-grade CRTC Display Interface Module (Cathode Ray Tube Controller Board) engineered for integration into legacy and high-reliability FANUC CNC architectures, notably the FANUC Series 16 and 18 systems (such as the 16-M, 16-T, 18-M, and 18-T model variations). Designed as a plug-in surface-mount device (SMD) small card, this board serves as a dedicated 14-inch CRT text and graphic display controller with Man-Machine Control (MMC) subsystem interface support. It bridges core processor calculations with the visual monitor output, ensuring stable real-time text rendering, coordinate positioning data, and diagnostic alarm monitoring on legacy factory-floor terminals. [stock available]