REMOTE ANTENNA INSTALLATION FOR A PLURALITY OF BASE STATIONS SHARING A SINGLE HF SUPPLY LINE FOR TRANSMITTING HF, CONTROL AND MONITORING SIGNALS AND THE SUPPLY DIRECT VOLTAGE

摘要

An antenna transmission control device has a base-station-side and an antenna-side multiplexer circuit. There is an alternating protocol transfer between these two multiplexer circuits to control components close to the antenna. The current-alarmed or protocol-alarmed signals present at the antenna-side terminals of the multiplexer provided on the antenna side can be measured or detected by the multiplexer circuits and supplied to the transmission link together with a terminal-dependent or load-dependent protocol.