Structured cabling, r&m gadget is an organized strategy to cabling infrastructure using a series of patch panels and trunks. The typical format of the infrastructure is unique in every cabling system. The variations might also come from the architectural format of the building or room housing cabling or r&m system, the feature of the system, the r&m cables and connection merchandise used, the type of tools the machine will support, the configuration of the system, and the specific requirements of users.