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■ Two-way communication system features automatic input switching, the system is running; ■ Wide input voltage range, strong adaptability power; ■ high frequency switching power supply technology, modular design, N +1 hot backup, high reliability; ■? rectifier module hot swap, routine maintenance quick and easy; ■? accurate dynamic current sharing can be independent, master or controlled operation; ■? optional LCD monitor, touch screen, color touch screen, large screen graphic display, friendly interface, rich, simple side? it; ■? monitor real-time implementation of a comprehensive monitoring of system operation and control, system settings, information inquiry, the background can also be monitored? control and remote monitoring of system implementation, "telemetry, remote control, remote letter, tele-tune "four remote functions to achieve unattended; ■? can automatically monitor battery voltage, battery charge and discharge current and accurate temperature compensation management, with over voltage, over-temperature sue? alarm and fault alarm, ensure that the batteries work in the best condition, extend battery life; ■? with manual, automatic voltage detection function and slip insulation; ■ reliable lightning protection and a high degree of insulation measures to ensure the safety of the system, and; ■ provide RS232, RS485 two communication interfaces, and RTU, CDT, MODBUS communication protocol choose three kinds; ■ with external expansion interface allows access to other equipment; ■ can be a monitoring system, dual batteries, dual charger unit, bus section, dual group of independent battery charge and discharge? power management. Note: can be added according to user demand or notice of incident signal alarm signal and inverter power supply DC / AC, DC / DC converter.