ITU Q.500:1988
ITU Q.500:1988 Digital Local, Combined, Transit And International Exchanges, Introduction And Field Of Application
Table of Contents
1Introduction2Fieldofapplication
2.1ApplicationandevolutiontotheISDN
2.2Relationshipofdesignperformancerequirements
tooperationalperformancerequirements
3TheQ.500-SeriesofRecommendations
3.1Exchangeinterfaces(RecommendationsQ.511,
Q.512andQ.513)
3.2Exchangefunctions(RecommendationQ.521)
3.3Exchangeconnections,signallingandancillary
functions(RecommendationQ.522)
3.4Exchangedesignobjectives(Recommendations
Q.541,Q.542,Q.543andQ.544)
3.5Transmissioncharacteristics(Recommendations
Q.551toQ.554)