摘要：直流遠(yuǎn)供電源系統(tǒng)的應(yīng)用，將進(jìn)一步保障通信設(shè)備正常運(yùn)行，保障各類通信設(shè)備安全、可靠、穩(wěn)定的供電，直流遠(yuǎn)程供電是很有發(fā)展前途的供電方式。本文介紹了直流遠(yuǎn)供電源系統(tǒng)的組成和應(yīng)用場(chǎng)合，介紹了直流遠(yuǎn)程供電的具體應(yīng)用方案。 敘詞：直流遠(yuǎn)程供電，通信設(shè)備，局端設(shè)備，遠(yuǎn)端設(shè)備 Abstract：The application of DC remote power supply system is to further guarantee the stable functioning of communications equipmentand to ensure the safe, reliable and stable power supply for all kinds of communications equipment, which makes it the most promisingway for supplying power. The paper introduces the composing and applicable situations for DC remote power supply system, and shedssome light on the detailed application scheme for DC remote power supply. Keyword：DC remote power supply, Communications equipment, Terminal equipment, Remote equipment