CAN BUS distributors integrated with M12 waterproof connectors provide a seamless means of transmitting signals and power across smart factory environments. Fully leveraging this capability begins with the ability to customize. Smart factories, which emphasize automation and data-driven operations, benefit greatly from the adaptability of CAN BUS distributors. Customization options for these devices include interface types, pos variations for different signal needs, and A- or D-coding, all of which enhance precision and functionality in industrial data transfer. Furthermore, these distributors can reach transmission distances of over 1000 meters with non-polar arbitrary topology, significantly reducing construction costs in large-scale operations. Designing CAN BUS distributors with tailored configurations supports reliable communication among intelligent instruments, controllers, and actuators, ensuring smooth processes in manufacturing and industrial settings.