评论信息_2M无损伤自动切换装置在电力的应用

2M无损伤自动切换装置在电力的应用

目前国内大部分电力专网都已建有SDH光环网，它具有自愈环功能，当一端光纤线路中断了还可以从另外一端将数据传输过去。但并不是每一个SDH设备都处于环网里，就好比一些省市地域广阔，电力通信线路比较长，某一些变电站形成自愈环比较困难，不但投资大，需要的光缆资源多，…

2024-5-10 21:57:55[未知IP0801]网友

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2024-5-10 21:47:20[未知IP0801]网友

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2024-5-10 21:37:06[未知IP0801]网友

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2024-5-10 21:28:38[未知IP0801]网友

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2024-5-10 21:26:31[未知IP0801]网友

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2024-5-10 21:06:04[未知IP0801]网友

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2024-5-10 20:55:50[未知IP0801]网友

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2024-5-10 20:45:36[未知IP0801]网友

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2024-5-10 20:35:01[未知IP0801]网友

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2024-5-10 20:24:26[未知IP0801]网友

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2024-5-10 20:14:33[未知IP0801]网友

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2024-5-10 20:04:19[未知IP0801]网友

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2024-5-2 13:39:20[未知IP0801]网友

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2024-5-2 13:29:28[未知IP0801]网友

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2024-5-2 13:19:14[未知IP0801]网友

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2024-5-2 13:08:39[未知IP0801]网友

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2024-5-2 12:58:04[未知IP0801]网友

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2024-5-2 12:47:29[未知IP0801]网友

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2024-5-2 12:36:54[未知IP0801]网友

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