Introduction
1 Scope
2 Normative references
3 Definitions and abbreviations
3.1 Definitions
3.2 Abbreviations
4 Channel requirements
4.1 General
4.2 Return loss
4.3 Insertion loss
4.4 Near-end crosstalk loss (NEXT)
4.5 Attenuation to crosstalk loss ratio near-end (ACR-N)
4.6 Attenuation to crosstalk loss ratio far-end (ACR-F)
4.7 Alien (exogenous) crosstalk
4.8 Propagation delay
4.9 Delay skew
5 Guidance for mitigation
5.1 Planning certification, measurement and documentation
5.2 Mitigation techniques if in-channel parameters of the
channel from Clause 4 are not met
5.3 Mitigation techniques in case external parameters
of the channel (alien noise) from 4.7 are not met
Annex A (informative) Permanent link performance guidelines
Annex B (normative) Alien crosstalk margin computation
Annex C (informative) Analytical approach to alien crosstalk
mitigation