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Kopplingsanordning foer centralstyrda tidsmultiplexa foermedlingsanlaeggningar, i synnerhet pcm-telefonfoermedlingsanlaeggningar med anslutningsgrupper anslutna till ett kopplingsfaelt.
Kopplingsarrangemang foer centralt styrda tidsmultiplexa telekommunikationsanlaeggningar, speciellt pcm-telefoncentraler med anslutningsgrupper anslutna till ett kopplingsfaelt.