Rec. ITU-T K.10 (03/1993) – UNBALANCE ABOUT EARTH OF TELECOMMUNICATION INSTALLATIONS
FOREWORD
CONTENTS
1 Unbalance about earth of telecommunication equipment
2 Unbalance about earth of telecommunication lines
3 Unbalance about earth of telecommunication installations
Annex A – Example for calculating transverse voltages of a telecommunications line
A.1 General
A.2 Wire to sheath voltages
A.3 Longitudinal conversion losses
References
Appendix I – Test methods related to unbalance of equipment connected to symmetric pair lines
I.1 Analogue transmission in the voice frequency range 300 Hz up to 3400 Hz
I.2 Analogue transmission in the voice frequency range with analogue digital conversion
I.3 Unbalance requirements for ISDN transmission