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点对点式光端机与节点式光端机的主要区别
大家都知道在以前老式的光端机是有分点对点式光端机与节点式光端机的。而现在广州银讯的光端机，可组成SDH环网、星形网、树形网、点对点、点对多点等多种组网方式。小编今天为大家介绍以前的点对点式光端机与节点式光端机的主要区别，分别从他们的概念为大家讲解。什么是…
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