ITU R.115:1993

ITU R.115:1993 Maintenance Loops For Tdm-systems

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Table of Contents

2Locationoftheloops
3Names,typesanddefinitionsoftheloops
3.1Loopa-Digitalmultiplexeraggregateloop
3.2Loopb-Analogueaggregatemodemloop
3.3Loopc-Analoguelineloop
3.4Loopd-Digitalaggregatemodemloop
3.5Loopf-Tributaryanalogueloop
3.6Loopg-TributarydigitallooptowardstheMuldex
3.7Looph-Tributarydigitallooptowardsthetributary
interfaceunit
4Useoftheloops
5Methodsofcontrol
6Controlsignalling
6.1AlternativeA
6.2AlternativeB
6.3Maintenancechannelsignalling
7Routingofthemaintenancecontrolsignals
8Application
9Useofthemaintenancechannel

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