... configured on user's demands. Application:Servers, data center critical network devices, sensitive electronic equipment, telecom, bank, hospital, bureau, traffic, public security, ATM ... Bypass, On battery mode, Battery low, Overload, FaultAcoustic noiseAt 1 meter distance<55dB<60dBCommunicationsIntelligent RS232 serial portWindows 98/NT/2000/XP ...