Direct-current remote feeding power system
A remote power supply and circuit technology, applied in the direction of DC network circuit devices, electrical components, circuit devices, etc., to achieve the effects of reducing power outage time, prolonging life, and increasing work utilization
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[0025] figure 1 Shown is the DC remote power supply system diagram of the present invention, the core of which lies in the local end control module. The central office equipment uses the stable -48V power supply in the central office computer room to be processed by the remote power supply to directly supply power to the remote or access communication equipment through composite optical cables or power lines in the most efficient way. It is not affected by any power failure in the local area (access area) of the communication equipment. Compared with the indoor unit of the electrical equipment, it can be called a permanent power supply, which increases the working utilization rate of the communication equipment and has an intelligent monitoring function. The remote device has a wide range of DC high voltage input, secondary isolation boost conversion function to output stable DC power (200V ~ 400V) or -48V, AC220V, power supply for communication equipment, has complete protect...
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