It can monitor transformer running state in real time (metering and monitoring the transformer output power), meanwhile acting as Data Concentrator for gathering of metering Data from subsidiary of transformer. It provides the data necessary to conduct preventive maintenance and proper network planning, ultimately improving the stability of the power supply.

Smart Terminal utilize efficiently PLC (OFDM, FSK), RF media for downlink communication to smart meters and GPRS, 3G, DSL and fiber optic for uplink communication.