1 Scope
This document specifies the measurement of two- and four-pair balanced cabling of
the following cabling configurations specified in EN 50173‑20:
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a) end-to-end (E2E) link Class D, E and EA;
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b) modular plug terminated links (MPTLs) of Class D, E, EA, F, FA and of Class I and II;
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c) direct attach cabling of Class D, E, EA, F, FA and of Class I and II.
The free connectors which terminate two and four pairs in field and laboratory conditions
are included.
This document specifies laboratory and field measurement procedures. The requirements
for accuracy to measure cabling parameters identified in EN 50173‑20 are provided in IEC 61935‑1 and EN 61935‑2.

