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2 definitions found
 for SONET
From V.E.R.A. -- Virtual Entity of Relevant Acronyms (February 2016) :

         Synchronous Optical NETwork (FDDI, ATM, SDH)

From The Free On-line Dictionary of Computing (30 December 2018) :

  Synchronous Optical NETwork
      (SONET) A broadband networking standard based
     on point-to-point optical fibre networks.  SONET will
     provide a high-bandwidth "pipe" to support ATM-based
     The SONET standard will establish a digital hierarchical
     network with a consistent worldwide transport scheme.  SONET
     has been designed to take advantage of fibre, in contrast to
     the plain old telephone system which was designed for copper
     SONET carries circuit-switched data in frames at speeds in
     multiples of 51.84 megabits per second (Mbps) up to 48 * 51.84
     Mbps = 2.488 gigabits per second.  Since SONET uses multiple
     channels to transmit data, each SONET frame can be
     considered to be a two-dimensional table of bytes that is 9
     rows high and 90 columns deep.  For every OC-n level, SONET
     can transmit n number of frames at a given time.  Groups of
     frames are called superframes.
     SONET is the American version of SDH.
     [Wulf Losee; Corporate Computing 8.92; STACKS; LAN Magazine

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