what is sdh,pdh?how exactly the call get connected?
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Answer Posted / kirankumar.y
sdh stands for synchronous digital hierarchy,pdh stands for
plesynchronous digital hierarchy.in sdh referance clock is
synchronised where as in pdh referance clock is not
synchronised and pdh capacity is 140mbps whereas sdh
capacity is stm256
| Is This Answer Correct ? | 10 Yes | 7 No |
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