4-port isolated PROFIBUS/MPI/PPI hub. Realize PROFIBUS bus, star and hybrid network topologies to facilitate network cabling; Transparent data transmission without delay; Bi-directional extended communication distance and increased number of sites in line with the PROFIBUS standard; Rate: 0-1.5Mbps (or 0-12Mbps), self-adaptive; With communication indicator; 9-40VDC wide voltage isolated power supply; Power supply-RS485-RS485 completely isolated; Lightning and surge protection. Interface: standard DP socket; Bolt mounting on the back panel.