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Outline:

Outline:. Comparison between PDH and SDH. STM-N frame structure. Multiplexing of of 140Mb/s, 34Mb/s and 2Mb/s signals into STM-N frame. Common NE of SDH network. SDH network structure and network protection mechanism. Management, monitoring and alarms.

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Outline:

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  1. Outline: • Comparison between PDH and SDH. • STM-N frame structure. • Multiplexing of of 140Mb/s, 34Mb/s and 2Mb/s • signals into STM-N frame. • Common NE of SDH network. • SDH network structure and network • protection mechanism. • Management, monitoring and alarms.

  2. Comparison between PDH and SDH

  3. Electrical interface PDH

  4. Electrical interface SDH

  5. Multiplexing Method

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