When the mains input range is voltage:150-260VAC,frequency:45-60Hz,the following ups Working range ____________ It can work normally in the inverter state of the main circuit.
For valve-regulated lead-acid batteries, the function of the safety valve is ____________ .
The increase of cabinet power density will lead to the emergence of local hot spots in the computer room, and row-level air conditioners can solve local problems. The hot spot is too high.
The ____________ function of the dynamic loop monitoring system can display the real-time status of the equipment.
The fastest transmission rate of the following communication interfaces is ____________ .
When the sunroof actuator senses a smoke alarm, it cannot control the turning sunroof to open automatically.
The fire fighting system of the computer room is mainly composed of ____________ system.
TESTED 22 Feb 2025
