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前面,我們?yōu)榇蠹医榻B過SDH光端機和PDH光端機的區(qū)別,今天就來介紹下電話光端機與PDH光端機的區(qū)別。什么電話光端機?電話光端機是基于自主軟件和厚薄膜工藝技術而推出的新一代高集成度單板光路復接設備,它可以在光傳輸通道上直接提供最多1~420路電話語音接口和1路100M以太…
2024-4-30 7:15:59[未知IP0801]網(wǎng)友
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2024-4-29 22:16:44[未知IP0801]網(wǎng)友
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2024-4-27 8:32:50[未知IP0801]網(wǎng)友
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2024-4-27 4:03:16[未知IP0801]網(wǎng)友
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