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前面,我們?yōu)榇蠹医榻B過(guò)SDH光端機(jī)和PDH光端機(jī)的區(qū)別,今天就來(lái)介紹下電話光端機(jī)與PDH光端機(jī)的區(qū)別。什么電話光端機(jī)?電話光端機(jī)是基于自主軟件和厚薄膜工藝技術(shù)而推出的新一代高集成度單板光路復(fù)接設(shè)備,它可以在光傳輸通道上直接提供最多1~420路電話語(yǔ)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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2024-4-30 2:46:22[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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2024-4-26 19:04:05[未知IP0801]網(wǎng)友
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