Analog cable TV service (CATV) system with telephone service

摘要

The present invention relates to an analog CATV system capable of providing a telephone service as well as a video service by additionally allocating up / down bandwidth for telephone service in an analog cable television (CATV) system, And a voice signal, which is a downlink signal outputted from a telephone office, are divided into respective frequency bands, then combined, converted into optical signals, transmitted to a distant distribution center, and then separated into the same optical signals, , The video signal is analog-demodulated in the STB of the subscriber so as to be output through the television receiver, and the voice signal is digitally demodulated and outputted through the telephone, so that the second local telephone service provider and the CATV service provider cooperate The CATV system of the present invention In accordance with the available video services as well as it can easily provide interactive telephone service has the advantage of being cost effective.