iSMA-B-MG-IP device has been designed to simplify the connection of meters installation with BMS. By applying the most popular interfaces for M-Bus and Modbus meters, the device allows to handle up to 180 meters of various types simultaneously. The M-Bus interface allows to communicate and supply with power up to 60 M-Bus meters. The maximum current may not exceed 130 mA. The RS485 interface allows to connect up to 128 Modbus devices.