The RSM485PCHT is a communication module manufactured by Taisko. It is a through hole RoHS compliant module that is designed to facilitate communication between two or more devices over various connection systems such as such as Ethernet and Serial. It is also equipped with a low-cost efficient RS485 physical layer. The module is equipped with two LED indicators for communication success and status. It is compatible with different types of communication protocols such as Modbus, and is suitable for industrial automation and control applications.