CABLE CONNECTION HIGH FREQUENCY designed for digital TRANSPORT NETWORKS

摘要

The claimed technical solution relates to the cable industry, in particular to cables zonal, namely constructions communication cables HF, intended for digital transport network (trunk) sealing transmission systems with frequency channels by dividing the frequency range up to 250 kHz and digital transmission systems at up to 2 Mbit / s.;Cable ties high, designed for digital transport network consists of twisted copper conductive wires, insulated with polyethylene in the form of 3 concentric layers, with the outer and inner layers are made of solid polyethylene, the middle layer - made of foam (porous) polyethylene, with belt insulation in the form of a coil of water swelling tape or polyethylene terephthalate film, filling made of polyethylene, and the thread of water blocking materials superimposed helically over the filling, with a screen of copper (aluminum) tape or welded (pressed aluminum shell) layer of viscous glue composition on top of the screen, polyethylene sheath or protective cover in accordance with GOST 7006-72 "Covers of cables" type B Dn, Rn, KpShp.;The claimed technical solution, through the use of film-porous-film insulation provides high mechanical strength insulated conductors, compactness and high electrical characteristics of the cable. The presence of water blocking elements obespechivaaet watertight cable. The use of protective covers to protect the cable from mechanical damage and corrosion, allows to extend the field of application of the cable and ensure the life of your cable service to 20 years.