What does the ministry of public security (MPS) refer to the video surveillance of A lens, type B lens, and c-type lens?
C lens division principle. The C camera lens refers to the video monitoring lens of internal management and residential community (community) internal management and residential community (community), as well as the lens of the above-mentioned A and B class not including areas.
The principle of the division of lens division. Class B lens is refers to the unit is in general, place the key parts of the plan are the video camera, such as public channel, related units and places the public areas, and other important parts and area; The main entrance, small and medium entertainment venues, small and medium-sized guests (brigades) and the main entrance and exit of the Internet service business premises; General public transport stations, key parts of small and medium-sized parking lots, buses and taxis; Other public areas of government investment and construction.
-- A kind of lens division principle. Class A lens means the key units, key areas and important sections involved in national security, the key parts of the national economy and people's livelihood and public safety planning are video camera, such as the main entrances and exits of the party and government authorities at or above the district and its surrounding people easily gathered area; Main access channels and operating halls of telecommunications, postal services and finance; The reservoir and important machine room of the city water supply enterprise; To develop, produce, sell and store inflammable and explosive parts of dangerous goods units; Import and export of important pedestrian streets and squares to the central area; Major trade and cultural centers of the region; Highway, national trunk road vehicle import and export, entry and exit area of the main entrance, urban road people traffic large section of road.
