@prefix skos: <http://www.w3.org/2004/02/skos/core#> .

<http://www.irandoc.acir/onto/irandoc/insp0001630>
  skos:related <http://www.irandoc.acir/onto/irandoc/insp0001430>, <http://www.irandoc.acir/onto/irandoc/insp0001099>, <http://www.irandoc.acir/onto/irandoc/insp0001592>, <http://www.irandoc.acir/onto/irandoc/insp0012669>, <http://www.irandoc.acir/onto/irandoc/insp0012675> ;
  skos:broader <http://www.irandoc.acir/onto/irandoc/insp0001631> ;
  skos:prefLabel "Synchronous digital hierarchy"@en, "سلسله مراتب رقمی همگام"@fa ;
  a skos:Concept, <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept> ;
  skos:altLabel "sdh communication"@en .

<http://www.irandoc.acir/onto/irandoc/insp0012669>
  skos:prefLabel "Digital radio"@en, "رادیوی رقمی"@fa ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept ;
  skos:related <http://www.irandoc.acir/onto/irandoc/insp0001630> .

<http://www.irandoc.acir/onto/irandoc/insp0001631>
  skos:prefLabel "Time division multiplexing"@en, "هم‌تافتگری تقسیم زمانی"@fa ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept ;
  skos:narrower <http://www.irandoc.acir/onto/irandoc/insp0001630> .

<http://www.irandoc.acir/onto/irandoc/insp0001099>
  skos:prefLabel "Optical communication"@en, "ارتباط نوری"@fa ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept ;
  skos:related <http://www.irandoc.acir/onto/irandoc/insp0001630> .

<http://www.irandoc.acir/onto/irandoc/insp0001592>
  skos:prefLabel "Synchronization"@en, "همگام‌سازی"@fa ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept ;
  skos:related <http://www.irandoc.acir/onto/irandoc/insp0001630> .

<http://www.irandoc.acir/onto/irandoc/insp0001430>
  skos:prefLabel "Sonet"@en, "سونت"@fa ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept ;
  skos:related <http://www.irandoc.acir/onto/irandoc/insp0001630> .

<http://www.irandoc.acir/onto/irandoc/insp0012675>
  skos:prefLabel "Digital communication"@en, "ارتباط رقمی"@fa ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept ;
  skos:related <http://www.irandoc.acir/onto/irandoc/insp0001630> .