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對(duì)于2M/E1的應(yīng)用很廣泛,因?yàn)樗膫鬏斝阅芊€(wěn)定,保密性強(qiáng)等優(yōu)點(diǎn)使其PCM設(shè)備和光端機(jī)設(shè)備的被廣泛應(yīng)用,特別是30路PCM設(shè)備和30路電話光端機(jī)應(yīng)用最多,主要是用于承載客戶語音、數(shù)據(jù)、圖像等窄帶業(yè)務(wù)。隨著被廣泛應(yīng)用,相對(duì)而來的問題也就出現(xiàn)了,2M障礙是通信傳輸最常遇見…
2024-4-30 11:28:39[未知IP0801]網(wǎng)友
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2024-4-30 6:59:03[未知IP0801]網(wǎng)友
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2024-4-30 2:29:26[未知IP0801]網(wǎng)友
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2024-4-29 21:59:49[未知IP0801]網(wǎng)友
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2024-4-27 8:15:54[未知IP0801]網(wǎng)友
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2024-4-27 3:46:19[未知IP0801]網(wǎng)友
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2024-4-26 23:16:43[未知IP0801]網(wǎng)友
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2024-4-26 18:47:02[未知IP0801]網(wǎng)友
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2024-4-26 18:37:20[未知IP0801]網(wǎng)友
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