Industrial Modbus RTU / ASCII gateway to Modbus TCP. 2 RS-485 communication ports and Ethernet 100MGW1102-2DI(RS485)-DB-P(12-48VDC) is Modbus gateway designed for integrating Modbus RTU/ASCII and Modbus TCP networks; they can achieve the conversion between Modbus RTU/ASCII and Modbus TCP protocols. This product supports 1 RS-485 serial port to 1 100M Ethernet copper port. It adopts wall mounting to meet the requirements of different application s..