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科普SDH光传输设备的作用
科普下SDH光传输设备的作用,首先pg电子官网 值得什么是SHD光传输设备。SDH设备，即光同步数字传输网设备。SDH光传输设备主要特点：统一的光接口、自愈环、SDH网同步。SDH设备是一种将复接、线路传输及交换功能融为一体、并由统一网管系统操作的综合信息传送网络。SDH设备可实现网…
2024-5-26 2:13:38[未知IP0801]网友
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2024-5-2 10:44:20[未知IP0801]网友
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2024-5-2 6:14:25[未知IP0801]网友
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2024-5-1 21:14:50[未知IP0801]网友
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2024-5-1 10:24:25[未知IP0801]网友
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2024-4-27 8:43:25[未知IP0801]网友
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