Background Objectives: Data transmission over a communication channel, should provide important facilities to be added, including data framing, error checking and to manage the channel. Methods/Stastical Analysis: This is a complete review paper and theoretically we intend to explain the basics of SONET / SDH, Architecture, Bit rates, Netowork configurations etc. All these are standardised and approved by ANSI. Conclusion: One would get to know what Synchronous Optical Network / Synchronous Digital Hierarchy (SONET/SDH) is all about and how exactly are they used through this paper. Also, the merits and de-merits are completely analysed.
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Dr. Shriram K Vasudevan, Dr. Prakash P, P.b, S., and S.a, S., “A study on SONET and SDH with their defects in optical network”, Indian Journal of Science and Technology, vol. 8, no. 29, 2015.