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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(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路電話語音接口和1路100M以太…
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