Laid in the ground fiber-optic telecommunications system user's access and fiber-optic security system is a major economic entity (options) with a paved ground in fiber-optic telecommunication subscriber access system

摘要

1. Laid in the ground fiber-optic telecommunication system subscriber access based on an interactive multi-fiber distribution network architecture ether comprising a central station and connected thereto by means of optical fiber links a set of base stations annular configuration, which is carried out opto-electrical conversion and broadcasting radio signals within the zone radius of 1-5 km, which are received and demodulated by the subscriber radio terminals, wherein h is to extend the functionality of the system without reducing the volume and quality of telecommunication services provided to subscribers, the system is equipped with an additional function of protection of the territory served by a built-in fiber optic intrusion sistemy.2. Fiber-optic security system large economic object, which is formed using the method of coherent reflectometry subsystem guard ring topology of a circuit comprising a highly coherent laser emitter pulse controlled optical modulator and an optical splitter X-type, to the first input of which an optical modulator connected to the output, to first and second outputs - respectively stacked along the perimeter of the protected area sensor fiber with a non-reflective end load and a non-reflective load, and the second input - photodetector, an amplifier and an electronic recording device, the backscatter in the sensor fiber due to acoustic feedback at the border zone protected intruder, wherein those