FMU-09 is field management unit （concentrator ）of BSH2000 AMR system. It can connect various
communication protocol of SSU to BSH2000 AMR system. It has powerful functions of handling data and communication. Input interface adopts RS485, meanwhile M-BUS is optional when it is used with RTM-04. Input interface can communicate with the following communication protocol: BASIC M-BUS、 Modbus RTU、 DL/T645、CJ/T188-2004、 EN1434 ect. Output TCP or M-BUS.