... -channel RS485 signal input, 1 channel RS485 output,Each port’s communication distance surpasses 1200 meters, It can extend ... data transmission.Specific Function:• RS485 port has anti-static and anti-thunder design;• Each port’s communication distance surpasses 1200 ... multi-channels RS485 output, two-way data transmission.• Each port can connect 128 nodes, most 32/128 RS485 terminus.Specifications ...