... FaultLCD (Optional)I/P & O/P Voltage, / O/P Frequency, Load, Battery Voltage, TemperatureDigitalI/P&O/P voltage, O/P Frequency, battery, loadAlarmAlarmMains failure, battery low, overload, ... 40Humidity< 95% (Non-Condensing)InterfaceTypeTrue RS 232 CommunicationfunctionInverter, battery, mains failure, battery low, remote shutdown, menu opertationSNMPOptionalcomplianceconformity with CE,IEC62040 ...