The industrial Ethernet has been wildly used in daily life. As an important component of the network, industrial switches play an important role in current industrial automation. Industrial field switches can be divided into two categories: unmanaged and managed. General device internal network, such as CPU. Unmanaged switches are used for data exchange between distributed modules; managed switches are used for communication between devices and the factory network. They all belong to the industrial ethernet switches. So, what is the difference between an unmanaged switch and a managed switch? Today we will talk about this topic.