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ITU K.50:2000

ITU K.50:2000 Safe Limits Of Operating Voltages And Currents For Telecommunication Systems Powered Over The Network Provides guidance on voltages and currents that may safely be used to power telecommunication systems that are part of the network. These systems use the paired-conductor cables of the network or spec

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Table of Contents

1Scope
2References
3Abbreviations
4Definitions
5Voltageandcurrentlimits
5.1General
5.2Method1:VoltagelimitedRFTcircuits
5.3Method2:CurrentlimitedRFTcircuits
6Workpractices
6.1Generalworkpractices
6.2Specialworkpractices
ANNEXA-RFT-Vcircuits
A.1Limitsundernormaloperatingconditions
A.2Limitsundersinglefaultconditions
A.3Coordinationwithsurgeprotectivedevices
A.4Installationinstructions
ANNEXB-RFT-Ccircuits
B.1Limitsundernormaloperatingconditions
B.2Limitsundersinglefaultconditions
B.3Limitswithoneconductorearthed
B.4Installationinstructions
APPENDIXI-Bibliography

Abstract

Provides guidance on voltages and currents that may safely be used to power telecommunication systems that are part of the network. These systems use the paired-conductor cables of the network or specific power feeding cables to provide power to equipment at remote locations.

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