H - Electricity – 04 – B
Patent
H - Electricity
04
B
324/58.02
H04B 3/46 (2006.01) H04B 17/02 (2006.01)
Patent
CA 2003617
TRANSMISSION LINE MONITORING SYSTEM ABSTRACT OF THE DISCLOSURE A transmission line monitoring system for monitoring the quality of a transmission line along which a plurality of repeaters are equipped. A monitoring line is equipped along the transmission line for transmitting a signal for collecting information on the quality of the above transmission line. A plurality of monitoring units are respectively provided corresponding to the above plurality of repeaters. A centralized monitoring unit sends an instruction which includes information on a section of the transmission line which is to be tested, through the monitoring line, and receives the above information on the quality of the above section of the transmission line, which is sent from a monitoring unit responding to the above instruction through the above monitoring line. Each of the monitoring units receives the above instruction through the communicating circuit, and determines whether or not its own monitoring unit corresponds to a repeater at the beginning or the end of the section, by the control circuit. A test signal is sent through the section, when its own unit is determined as the above beginning, and a test signal is received and detected through the above section when its own unit is determined as the above end. The result of the detection of the test signal through the section is sent through the monitoring line to the centralized monitoring unit as the information on the quality of the section.
Fujitsu Limited
Mcfadden Fincham
LandOfFree
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