Synchronous Digital Hierarchy, SONET and Other Protocols for Telecommunications

Dimitris N. Chorafas

Chapter 4 in Protocols, Servers and Projects for Multimedia Realtime Systems, 1997, pp 84-110 from Palgrave Macmillan

Abstract: Abstract The Synchronous Digital Hierarcy (SDH) is a set of standards from the International Telephone Union (ITU) for high-speed, optical fibre-based transmission — starting at 155 MBPS, with a current upper limit of 13 GBPS. The open interfaces of SDH aim to foster equipment interoperability, freeing operators from proprietary end-to-end systems.

Keywords: Asynchronous Transfer Mode; Telephone Service; Local Loop; Intelligent Network; Twisted Pair (search for similar items in EconPapers)
Date: 1997
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DOI: 10.1007/978-1-349-14096-1_4

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