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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 11:15:25[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
備忘錄歐洲杯預(yù)測http://www.sztspi.com/user/134620 http://www.sztspi.com/user/415120 http://www.sztspi.com/user/19687 http://www.sztspi.com/user/28208 http://www.sztspi.com/user/683710
2024-5-2 5:27:33[未知IP0801]網(wǎng)友
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2024-5-2 0:57:49[未知IP0801]網(wǎng)友
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2024-5-1 9:37:50[未知IP0801]網(wǎng)友
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2024-5-1 5:08:10[未知IP0801]網(wǎng)友
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2024-5-1 0:38:35[未知IP0801]網(wǎng)友
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2024-4-30 20:08:58[未知IP0801]網(wǎng)友
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2024-4-30 15:39:16[未知IP0801]網(wǎng)友
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2024-4-30 11:09:35[未知IP0801]網(wǎng)友
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2024-4-30 6:39:59[未知IP0801]網(wǎng)友
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2024-4-30 2:10:23[未知IP0801]網(wǎng)友
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2024-4-27 7:56:51[未知IP0801]網(wǎng)友
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2024-4-27 3:27:16[未知IP0801]網(wǎng)友
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