The CTM8251T is a Through Hole RoHS-compliant communication module manufactured by Taisko. This module is designed for point-to-point, multipoint and network topologies for serial communication between a variety of devices such as PLCs, computers, controllers, and other devices. It features high-speed data transfer rates up to 12 Mbps, and is supported by various communication protocols such as CANopen, Modbus, J1939, and DeviceNet. It is also capable of operating at temperatures ranging from -40°C to 85°C, making it suitable for use in demanding environmental conditions. It is built with surge protection, circuit protection and short circuit protection, making it safe and reliable for use in industrial applications.