RS485 Distributor:4 input 1 output Complete hardware's RS485 ... channel RS485 signal input, 1 channel RS485 output,Each port’s communication distance surpasses 1200 meters, It can ... between devices.• RS485 sharer has 3 channels RS485 input, 4 channels RS485 input, 8 channels RS485 input, 1 ... -channels RS485 output, two-way data transmission.• Each port can connect 128 nodes, most 32/128 RS485 terminus ...