| 摘要 |
PURPOSE: An apparatus for stabilizing the supply of a DSLAM(Digital Subscriber Loop Access and Multiplexing) power using a duplex power is provided to enhance the reliability of a system by doubly supplying the power and replacing a failed power device without stopping the supply of the power. CONSTITUTION: A power multiple supply unit(100) outputs a duplex power with a uniform level. A power connecting unit(200) receives the duplex power outputted from the power multiple supply unit(100) and outputs the received duplex power. A shelf(300) receives the duplex power from the power connecting unit(200) and supplies a power in which an electric potential difference is high to a system.
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