This International Standard will specify requirements for balanced twisted-pair copper (Classes A, B, C, D, E, EA, F, FA, I and II), coaxial (Class BCT-C), and optical fibre (OM1, OM2, OM3, OM4, wideband OM4, OS1a, and OS2) cabling systems used in office (ISO/IEC 11801-2), industrial (ISO/IEC 11801-3), home (ISO/IEC 11801-4), data centre (ISO/IEC 11801-5), distributed building (ISO/IEC 11801-6), and other premise environments. This Standard will specify the structure and minimum configurations of generic cabling, performance requirements of channels, links, connecting hardware, and cords, implementation requirements, conformance requirements and verification procedures, and interfaces. Requirements for cable performance are made via reference to applicable IEC Standards.

ISO/IEC 11801-1 “Generic Cabling for Customer Premises – Part 1: General Requirements” is currently under development by ISO/IEC JTC 1/SC 25 (Subcommittee 25: Interconnection of Information Technology Equipment, of ISO/IEC Joint Technical Committee 1: Information Technology) and anticipated to publish in early 2017. This Standard will cancel and replace 11801 Edition 2.2.

Significant changes from the previous edition include:

  • Class I and II channel and link requirements have been added
  • Category 8.1 and 8.2 connecting hardware and cord requirements have been added
  • Cabled OM1, OM2, and OS1 optical fibre is no longer recommended for new installations
  • Cabled wideband OM4 and OS1a optical fibre requirements have been added

ISO/IEC 11801-1 Content

  • Conformance
  • Structure of Generic Cabling
  • Channel Performance Requirements
  • Link Performance Requirements
  • Reference Implementation for Backbone Cabling Subsystems
  • Cable Requirements
  • Connecting Hardware Requirements
  • Cord Requirements
  • Annexes addressing Conformance Testing Procedures for Balanced Cabling of Classes A to FA, I and II and Optical Fibre Cabling, Mechanical and Environmental Performance Testing of Connecting Hardware for Balanced Cabling (Category 5 through 7A, 8.1, 8.2 and BCT‑B), Electromagnetic Characteristics, Acronyms for Balanced Cables, Supported Applications, and Optical Fibre Cable OM1, OM 2 and OS1
ISO/IEC 11801-1 Balanced Twisted-Pair Class Specifications
  • Class A is specified up to 100 kHz
  • Class B is specified up to 1 MHz
  • Class C is specified up to 16 MHz
  • Class D is specified up to 100 MHz
  • Class E is specified up to 250 MHz
  • Class EA is specified up to 500 MHz
  • Class F is specified up to 600 MHz
  • Class FA is specified up to 1 000 MHz
  • Class I and Class II are specified up to 2 000 MHz
ISO/IEC 11801-1 General Functional Elements
The general functional elements specified in ISO/IEC 11801-1 are the terminal equipment (TE) outlet, consolidation point (CP), subsystem cable 1 (divided into cable Y and cable Z if a consolidation point is present), distributor 1, other subsystem cables (e.g. 2, 3 and 4), and other distributors (e.g. 2, 3 and 4).
ISO/IEC 11801-1 Environmental Classification
1 = commercial, 2 = light industrial, 3 = industrial

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