| 摘要 |
The appliance (A) for the switching of radiofrequency signals comprises a first port (PI) and a second port (P2) connectable along a transmission/receiving line (T/R) of a radiofrequency communication system, a third port (P3) connectable to a monitoring appliance (M) of radiofrequency signals and at least a switching circuit (S) which is able to switch between: - a monitoring configuration, wherein the first port (PI) and the second port (P2) are connected together for the transmission/receiving of signals along the transmission/receiving line (T/R) and wherein the signals are in part taken and sent to the third port (P3) for the analysis by means of the monitoring appliance (M); - a test configuration, wherein the third port (P3) and the second port (P2) are connected together for sending at least a predefined test signal from the monitoring appliance (M) to the transmission/receiving line (T/R). |
