ISO/IEC TS 29125:2017(E) This document specifies the use of generic balanced cabling for customer premises, as specified in the ISO/IEC 11801 series, for remote powering of terminal equipment. It provides guidance on new cabling installations and renovations. The customer premises may encompass one of more buildings or may be within a building that contains more than one organization. The cabling may be installed prior to the seelction of remote powering equipment or powered terminal equipment.