Traditional Culture Encyclopedia - Traditional virtues - Four types of CATV system
Four types of CATV system
(A) the traditional cable TV system
The traditional wired battery system mainly consists of four parts: signal source, front-end equipment, trunk transmission system and user distribution network.
(2) Two-way CATV system
Two-way CATV can not only transmit TV signals provided by the front end to users, but also transmit users' information back to the front end or other users.
(3) Digital CATV system
Digital TV can be divided into digital satellite tv, digital cable TV and digital terrestrial open-circuit TV according to transmission channels. Digital CATV system is a brand-new battery system, which adopts digital processing in program setting, program editing, transmission, storage, reception and display.
(4) Integrated CATV system.
Integrated CATV system includes analog TV, digital TV and data.
Source: m.eb80.com.
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