The UPS5000-E accepts input voltage frequency in a range of () Hz.

• A.45-70
• B.55-65
• C.50-60
• D.40-70

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UPS2000-G-(6-20kVA) battery is not connected and does not affect the normal power supply of the system, but the UPS loses the backup power supply capability.

• A.True
• B.False

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NetCol5000-C temperature and humidity sensor dial setting is incorrect may result in ().

• A.The return air temperature or fan speed fluctuates greatly
• B.Temperature and humidity sensor cannot detect temperature and humidity
• C.Water leakage at the bottom of the equipment
• D.Equipment drainage capacity is significantly reduced

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In the "Video" function of NetEco, you can perform operations such as (). (Multiple Choice)

• A.Video live browsing
• B.Create a camera
• C.Delete the camera
• D.Modify the camera

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What does the gas fire extinguishing system startup principle include? (Multiple choice)

• A.Emergency start
• B.Automatic start
• C.Safe start
• D.Manual start

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