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光传送网络OTN是未来的发展趋势OTN(Optical Transport Network, 光传送网络)以WDM（波分复用）技术为基础，在超大传输容量的基础上引入了SDH（emc易倍·体育数字体系）强大的操作、维护、管理与指配能力，同时弥补SDH在面向传送层时的功能缺乏和维护管理开销的不足。光传送网就是在…
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