Extensible LonWorks repeater hub. A single device can be used as a repeater, and multiple devices (N pcs) can form a 2N-port hub; Communication rate: 78kbps; Support redundant power supply; Realize LonWorks bus, star, annular, hybrid and free network topologies to facilitate network cabling; Transparent data transmission without delay; Bi-directional extended communication distance in line with the LonWorks standard; With communication indicator; 9-40VDC wide voltage power supply; Power supply-LON1-LON2 completely isolated; Standard lead rail mounting.