SDH - Synchronous Digital Hierarchy

A method of transmitting digital information where the data is packed in containers which are synchronized in time enabling relatively simple multiplexing and demultiplexing at the transmitting and receiving ends. The technique is used to carry high capacity information over long distances up to speeds of 10Gbps.


  • Fully interactive 3GPP based network map
  • Narrated call flows
  • Detailed network procedures

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