ITU O.62:1988
ITU O.62:1988 Sophisticated Equipment To Measure Interruptions On Telephone-type Circuits
Table of Contents
1Definitions1.1Interruption
1.2Deadtime
2Thedetector
2.1General
2.2Interruptiondetectionthreshold
2.3Inputconditions
2.4Auxiliarydetectoroutput
2.5Deadtime
2.6Visualindication
3Displayofmeasurementresults
3.1Interruptioncounters
3.2Relativedurationofinterruptionevents
(optional)
3.3Secondscontaininganinterruption(optional)
3.4Powerfailure
4Simultaneousmeasurements
5Operatingenvironment