@prefix isq: <https://w3id.org/standards/isq/ontologies/core/> .
@prefix smart: <https://example.org/smart-sdu/> .
@prefix rdf: <http://www.w3.org/1999/02/22-rdf-syntax-ns#> .
@prefix dcterms: <http://purl.org/dc/terms/> .
@prefix skos: <http://www.w3.org/2004/02/skos/core#> .

<isq:t13-12>
  a isq:Entry ;
  rdf:type isq:Quantity ;
  rdf:type smart:TermEntry ;
  dcterms:identifier "13-12" ;
  skosxl:prefLabel "period of data elements, period duration of data elements"@en ;
  skosxl:altLabel "T"@en ;
  skos:definition "stem:[T = 1 // r] where r is the transfer rate\n(<<t13-11,item 13-11>>) when the data elements are\ntransmitted in series\n"@en ;
  smart:hasBindingnessType "bindingness-type:normative" ;
  dcterms:isPartOf <isq:part-13> ;
  isq:hasUnit [
    skos:notation "s" ;
    skosxl:prefLabel "second"@en
  ] ;
  skos:note "A subscript referring to a specified data element can\nbe added to the symbol.\n\n[example]\nperiod of digits, stem:[T_d]; +\nperiod of octets (or bytes), stem:[T_o] or stem:[T_B].\n\nFor the unit second, see <<iec60050-112,droploc%locality:item=\"112-02-04\">>.\n\nSee <<iec60050-171,droploc%locality:item=\"171-06-05\">>.\n"@en ;
  iso:urn <urn:iec:std:iec:80000-13:2025-02:::13-12> .