ITU G.772:1993
ITU G.772:1993 Protected Monitoring Points Provided On Digital Transmission Systems
Table of Contents
1General1.1Definition
1.2Locationofprotectedmonitoringpoints
1.3Useofprotectedmonitoringpoints
1.4Generalelectricalcharacteristics
2Electricalcharacteristicsofprotectedmonitoring
pointsprovidedontransmissionequipmentsofthe
plesiochronousdigitalhierarchy
2.1Impedancesattheprotectedmonitoringpoints
2.2Characteristicsofmonitoringpointsincorporated
intransmissionequipment
2.3Characteristicsofmonitoringpointslocated
betweentransmissionequipments
3Electricalcharacteristicsofprotectedmonitoring
pointsprovidedontransmissionequipmentsofthe
synchronousdigitalhierarchy
3.1Impedancesattheprotectedmonitoringpoints
3.2Characteristicsofmonitoringpointsat155520
kbit/sincorporatedintransmissionequipment
3.3Characteristicsofmonitoringpointsat155520
kbit/slocatedbetweentransmissionequipments
3.4Otherbitrates
4Protectionofthetransmittedsignal
5Resilienceoftheprotectedmonitoringpoint
References