Synchronous Digital Hierarchy

standardized protocol that transfers multiple digital bit streams synchronously over optical fiber
Thing technology Q51817
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Synchronous Digital Hierarchy

Summary

Synchronous Digital Hierarchy is a technology[1]. It draws 5 Wikipedia views per month (technology category, ranking #94 of 156).[2]

Key Facts

  • Synchronous Digital Hierarchy's instance of is recorded as technology[3].
  • Synchronous Digital Hierarchy's instance of is recorded as computer network protocol[4].
  • Synchronous Digital Hierarchy's subclass of is recorded as multiplexing[5].
  • Synchronous Digital Hierarchy's industry is recorded as telecommunications[6].
  • Synchronous Digital Hierarchy's Freebase ID is recorded as /m/09llg[7].
  • Synchronous Digital Hierarchy's National Library of Latvia ID is recorded as 000166099[8].
  • Synchronous Digital Hierarchy's uses is recorded as Network Service Access Point address[9].
  • Synchronous Digital Hierarchy's schematic is recorded as Sdh3.jpg[10].
  • Synchronous Digital Hierarchy's related image is recorded as TRT SDH ADM155.jpg[11].
  • Synchronous Digital Hierarchy's related image is recorded as SDH Racks.jpg[12].
  • Synchronous Digital Hierarchy's Encyclopedia of China is recorded as 110352[13].
  • Synchronous Digital Hierarchy's Oxford Reference overview ID is recorded as 20120109112327838[14].
  • Synchronous Digital Hierarchy's FOLDOC ID is recorded as Synchronous+Digital+Hierarchy[15].

Why It Matters

Synchronous Digital Hierarchy draws 5 Wikipedia views per month (technology category, ranking #94 of 156).[2] It has Wikipedia articles in 18 language editions, a strong signal of global cultural recognition.[16] It is known by 8 alternative names across languages and contexts.[17]

References

Programmatic citations — every numbered marker resolves to a verifiable graph row below.

Direct Wikidata claims

  1. [3] . wikidata.org.
  2. [4] . wikidata.org.
  3. [5] . wikidata.org.
  4. [6] . wikidata.org.
  5. [7] . wikidata.org.
  6. [8] . wikidata.org.
  7. [9] . wikidata.org.
  8. [10] . wikidata.org.
  9. [11] . wikidata.org.
  10. [12] . wikidata.org.
  11. [13] . wikidata.org.
  12. [14] . wikidata.org.
  13. [15] . wikidata.org.

Class ancestry

  1. [1] . Wikidata. wikidata.org.

Aggregate / graph-position facts

  1. [2] . Wikimedia Foundation. dumps.wikimedia.org.
  2. [16] . Wikidata sitelinks. wikidata.org.
  3. [17] . Wikidata aliases. wikidata.org.

📑 Cite this page

Use these citations when quoting this entity in research, articles, AI prompts, or wherever provenance matters. We aggregate Wikidata + Wikipedia + authoritative open-data sources; the stitched, scored, cross-referenced view is what 4ort.xyz contributes.

APA 4ort.xyz Knowledge Graph. (2026). Synchronous Digital Hierarchy. Retrieved May 3, 2026, from https://4ort.xyz/entity/synchronous-digital-hierarchy
MLA “Synchronous Digital Hierarchy.” 4ort.xyz Knowledge Graph, 4ort.xyz, 3 May. 2026, https://4ort.xyz/entity/synchronous-digital-hierarchy.
BibTeX @misc{4ortxyz_synchronous-digital-hierarchy_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{Synchronous Digital Hierarchy}}, year = {2026}, url = {https://4ort.xyz/entity/synchronous-digital-hierarchy}, note = {Accessed: 2026-05-03}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): Synchronous Digital Hierarchy — https://4ort.xyz/entity/synchronous-digital-hierarchy (retrieved 2026-05-03)

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