SDH has various meanings in the Networking category. Discover the full forms, definitions, and usage contexts of SDH in Networking.
Synchronous Digital Hierarchy, SDH: The ITU-TSS International standard for transmitting information over optical fiber. Synchronous Digital Hierarchy An ITU recommen-dation implemented in Europe and similar in most respects to the SONET standard used in North America and Japaalso SONET.
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