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安防監(jiān)控工程中越來越多的采用光纖技術(shù)傳輸圖像、聲音、數(shù)據(jù)等信息,光纖傳輸系統(tǒng)的關(guān)鍵設(shè)備――數(shù)字視頻光端機(jī)受到廣大用戶的青睞。一、 關(guān)于光路問題:安防監(jiān)控工程中,光纜大多數(shù)都由用戶自行敷設(shè),一般為G652單模光纖。由于系統(tǒng)覆蓋范圍一般都不大,用標(biāo)配(≤20KM)設(shè)備光鏈…
2024-6-18 15:45:47[未知IP0801]網(wǎng)友
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2024-6-18 6:45:37[未知IP0801]網(wǎng)友
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2024-6-18 2:15:31[未知IP0801]網(wǎng)友
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2024-6-17 21:44:29[未知IP0801]網(wǎng)友
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2024-6-17 17:14:07[未知IP0801]網(wǎng)友
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2024-5-26 1:27:03[未知IP0801]網(wǎng)友
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2024-5-2 9:57:45[未知IP0801]網(wǎng)友
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2024-5-2 5:27:33[未知IP0801]網(wǎng)友
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