Structured cabling Structured Cabling is the term used to describe a generic cabling system installed in accordance with international design and performance standards. Structured cabling systems can support almost all computer, telephony, ISDN and video applications. Patch panels and socket outlets allow users to carry out their own moves and changes and to connect new equipment and systems. Although predominantly comprised of copper cabling components, optical fibre may Also be applied for external links and in-building backbone applications.