PD ISO/IEC TR 11801-9907:2019 PDF

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, E A , F, F A , 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 E A , F, F A , 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.