SDH


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SDH

SDH

(Synchronous Digital Hierarchy) The European counterpart to SONET. See SONET.
References in periodicals archive ?
Virtex-II Platform FPGAs have the right combination of feature set and powerful development software that Marconi needed for their SDH technology," said Roberto Rosaia, area sales director for Southern Europe.
The demand for SDH equipment is strong in Asia, particularly China, where telecommunications networks need upgrading.
It is always unfortunate when resort to the courts is necessary," said Sigrid Wagner, president of SDH, "but SDH views its original designs as its most important assets, and we will take all necessary steps to protect our rights.
Cisco's ONS 15454 SDH offers several competitive features, multi-service capabilities, and well integrated Metro WDM.
Technical note: the SONET hierarchy of services is standard within North America and the SDH (Synchronous Digital Hierarchy) standard is deployed throughout the rest of the world.
ECI's XDM product family has earned the reputation as a trustworthy SDH platform," said Jason Marcheck, Principal Analyst, Optical Infrastructure, for Current Analysis.
Optical interfaces: Characteristics of STM-1 to STM-256 optical interfaces as recommended by the ITU for SDH networks: types of fibre, their specifications and recommended optical wavelengths for different lengths of unregenerated optical links
Capabilities of SDH networks: Properties of SDH aggregate signals including the ITU recommended bit rates and payload capabilities, traffic payload capabilities and maximum distances between regenerators
com/reports/c44961) has announced the addition of "E-Learning Course: SDH Networks" to their offering.