ITU M.605:1988
ITU M.605:1988 Routine Maintenance Schedule For International Public Telephony Circuits
Table of Contents
1General2Routinemeasurementscarriedoutmanually:
establishmentoftheschedule
2.1Scheduleform
2.2Arrangingtheschedule
2.3Useofechocancellerdevices
2.4Changestotheschedule
2.5Programmingofroutinemeasurementsandtests
2.6Unscheduledperiods
3Circuitroutinesbyautomatictransmissionmeasuring
equipmentATMENo.2
3.1Scheduleform
3.2Arrangingtheschedule
3.3Utilizationofscheduledtestperiods
3.4Unscheduledperiods
3.5Utilizationofdirectingequipment
3.6DowntimeofATMENo.2equipment
References