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    • 10. 发明专利
    • FAULTY STATION DISCRIMINATING SYSTEM
    • JPS60200653A
    • 1985-10-11
    • JP5768584
    • 1984-03-26
    • FUJITSU LTD
    • SEKI YOSHIAKITANAKA ISAOHONDA MASANORI
    • H04L25/02H04B1/60H04L13/06H04L27/00
    • PURPOSE:To discriminate a fault by a fixed pattern discriminating circuit, and to confirm a station in which the fault is occured, by assigning each different fixed pattern to a transmitting board and a receiving board, respectively, and sending out the fixed pattern assigned to each of them to the other station from a station which is detected the fault, when the fault is generated. CONSTITUTION:A regenerated data fetched from a radio wave received by a receiving part 20 is inputted to a branching and inserting part 22 through a relay contact r1-1, and the regenerated data made to branch by this repeater station is outputted to the outside from a terminal 25, and to the remaining regenerated data, a data inserted from a terminal 26 is provided, and it is sent out to the other station from a transmitting part 24 through a relay contact part r1-3. However, if a pulse cut-off detector 3 or 4 detects a fact that a data pulse which is outputted from the receiving part 20 or inputted to the transmitting part 24 is cut off, the relay contact r1-1 or r1-3 becomes off and the relay contact r1-2 or r1-4 becomes on by its output. As a result, a fixed pattern generating part 21 or 23 becomes on, therefore, for instance, a pattern fixed to a receiving board or a transmitting board of its station is sent out to the other station through the transmitting part 24.