The BL120 is an industrial Ethernet gateway with 2 Ethernet ports and 2 RS-232/485 serial port. BLIIoT BL120 gateway supports Modbus RTU/Modbus TCP to Modbus TCP industrial protocols
conversion. The Modbus RTU to Modbus TCP Gateway usually required when metering devices using Modbus RTU need to be integrated with SCADA systems using Modbus TCP.