Mini PROFIBUS/MPI/PPI repeater. With the same appearance as PROFIBUS bus connector plug; Rate: 0-12 Mbps, self-adaptive; Can be plugged directly into the PROFIBUS or MPI/PPI socket of the device without additional power supply; Bi-directional extended communication distance and increased number of sites in line with the PROFIBUS standard; Realize hybrid network topology such as bus branching; Power supply-RS485-RS485 completely isolated; Lightning and surge protection; With communication indicator.