规格：Special Features RS422 4-Wire Point-to-Point Operation, RS485 2-Wire Operation, Half Duplex, RS485 4-Wire Operation, Full Duplex, Automatic RS485 Transmit, Receive Changeover, Transmission Speed of 4.8 kbps to 115.2 kbps, Integrated Data Indicator for Dynamic Indication of Transmit and Receive Data, 3-way Isolation Between Power Supply, RS232, RS422, RS485, Integrated Surge Protection with Transient Discharge to The DIN Rail,
