ITU G.954:1988
ITU G.954:1988 Digital Line Systems Based On The 2048 Kbit/s Hierarchy On Coaxial Pair Cables
Table of Contents
1General2Transmissionmedia
3Overalldesignfeatures
3.1Availability
3.2Reliability
3.3Repeaternoisemargin
3.4Errorperformance
4Specificdesignfeatures
4.1Typeofpowerfeeding
4.2Nominalrepeaterspacing
4.3Maintenancestrategy
ANNEXADefinitionandmeasurementofrepeaternoise
margin
A.1Definition
A.2Deriveddefinitions
A.3Measurements
ANNEXBDigitalmultiplexingstrategyfor4139264
kbit/ssystems
B.1General
B.2Bitrate
B.3Framestructure
B.4Lossandrecoveryofframealignment
B.5Multiplexingmethod
B.6Jitter
B.7Servicedigits
APPENDIXIApossiblesolutionforscramblerand
framealignmentsignalsforadigital
linesystemat4139264kbit/s
I.1Resetscrambler
I.2Framealignmentsignal
APPENDIXIIPossiblealternativemultiplexframe
structures
ANNEXCFaultconditionsandconsequentactionsfor
digitallinessystemsat4139264kbit/s
C.1Faultconditions
C.2Consequentactions
References