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內(nèi)容簡介For an xDSL network, each subscriber needs a so-called "Splitter" to divide the narrowband signals of the POTS (Plain Old Telephone Service) or ISDN (Integrated Services Digital Network) and the wideband xDSL signals. This is done by a combination of tight-tolerance low-pass and high-pass filters. 下載說明 |
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發(fā)布公司: Magma 更新時間:2010-11-19 |
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