TIA ANSI/TIA-568.2-C-1 PDF

This addendum specifies minimum requirements for shielded category 8 balanced twisted-pair telecommunications cabling (e.g. channels and permanent links) and components (e.g. cable, connectors, connecting hardware, and equipment cords) that are used up to and including the equipment outlet/connector in data centers, equipment rooms, and other spaces that need high speed applications. This addendum also specifies field test procedures and applicable laboratory reference measurement procedures for all transmission parameters.