Information technology - Generic cabling systems - Part 20: Alternative cabling configurations

This document specifies: a) configurations of cabling which use components meeting the requirements of EN 50173-1 but do not conform to the structure of generic cabling specified in the premises-specific documents EN 50173-2 to EN 50173-6; b) channel transmission and environmental performance requirements including those by reference to EN 50173-1. NOTE The configurations of this document do not replace the generic cabling solutions of EN 50173-2, EN 50173-3, EN 50173-4, EN 50173-5 and EN 50173-6. Test procedures to verify conformance of the balanced cabling configurations to the cabling transmission performance requirements of this document are provided in EN 50697. Safety and electromagnetic compatibility (EMC) requirements are outside the scope of this document and are covered by other standards and regulations.