Circuit arrangement for transmitting communication signals

摘要

A circuit arrangement is specified by means of which stations (S), which are provided in a building and which are equipped with a transmitter and/or a receiver, can be monitored or controlled by using the public telephone network. For this purpose, the stations (S) are connected to the lines (10) of the 220-V alternating current system to which an intermediate device (12) is connected which is connected on the other side to a device (5) located in the telecommunications network. <IMAGE>