| 摘要 |
<p>A bidirectional network element adaptable to a cable television network, which comprises a transponder unit for measuring interferences of a reverse signal route, which transponder unit comprises a interference level indicator, a transceiver unit and an interference measurement program functionally connected to the transponder unit; and a processing unit for performing the interference measurement program of the transponder unit, which processing unit is arranged to compare the interference values of the reverse signal route received from the interference level indicator to at least one pre-set limit value, in which case as a response to the interference values exceeding the limit value, the processing unit is arranged to control the transceiver unit to send an interference message to a control unit of the cable television network.</p> |
