PD ISO/IEC TR 11801-9907:2019

Information technology. Generic cabling for customer premises. Specifications for direct attach cabling | Status: Current

1 Scope This part of ISO/IEC 11801, which is a Technical Report, provides definitions for, and examples of, direct attach cabling configurations. This document provides performance specifications for Classes D, E, EA, F, FA, I and II direct attach cabling by reference to ISO/IEC 11801‑1. Informative limits for Class I direct attach cabling to support 5 m short reach mode application according to ISO/IEC/IEEE 8802‑3:2017/AMD3, i.e. 25GBASE-T and 40GBASE-T, are provided in Annex A. Test methods will be provided in the second edition of ISO/IEC 14763‑4.

NOTE ISO/IEC 14763‑4 is the test method for End to End (E2E) link. It can be also used for direct attach cabling. Test methods for Classes EA, F, FA, I, II will be provided in the second edition of ISO/IEC 14763‑4.

Direct attach cabling connects two pieces of equipment, it has connectors at each end, and no intermediate connecting hardware.