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    • 15. 发明专利
    • INPUT/OUTPUT CONTROL SYSTEM
    • JPH01204597A
    • 1989-08-17
    • JP2954788
    • 1988-02-10
    • NEC CORPNIPPON TELEGRAPH & TELEPHONEHITACHI LTD
    • ABE HIROAKIYANAGIURA HARUKISUZUKI TOSHIAKI
    • H04Q1/26
    • PURPOSE:To improve the reliability of system by transferring plural sets of monitor test information of an exchange between a monitor test information collection device and a station equipment in charge of maintenance in time division. CONSTITUTION:A monitor test information collection device 12 transfers monitor test information to a station equipment 14 in charge of maintenance through a communication line 13 in response to a sweep-out request from an exchange 11 or a readout request from the station equipment 14 in charge of maintenance. If an output processing of an output display device 15 of the station equipment 14 in charge of maintenance is slow, the monitor test information transfer processing of an output display device 15 between the station equipment 14 in charge of maintenance and the monitor test information collection device 12 is released once on the way of sequence by the control of the software of the remote maintenance operation system of the station equipment 14 in charge of maintenance. Then the information transfer processing of the output device requesting other real time performance is implemented with priority and the monitor test information transfer processing of the output display device 15 is restarted after the end of transfer from the midway of the sequence. Thus, the reliability of the system is improved corresponding to the remote control of an exchange request the highly real time performance.
    • 16. 发明专利
    • FAULT INFORMING SYSTEM
    • JPH01264346A
    • 1989-10-20
    • JP9167988
    • 1988-04-15
    • NEC CORPNIPPON TELEGRAPH & TELEPHONE
    • KASHIWAI TAKASHIMURATA KOICHISUZUKI TOSHIAKI
    • G06F13/00H04M3/10
    • PURPOSE:To efficiently perform a fault notice by issuing an abnormality notice to a low-order device in making access when the abnormality of a processing bus is detected by an interface device, and issuing the abnormality notice by the low-order device based on the OR of the abnormality detected by its own device and the abnormality notice received from the interface device. CONSTITUTION:An abnormality notice line 20 is provided advancing from the fault display part 15 of the interface device 2 to the fault display part 18 of the low-order device 3, and an abnormality notice line 21 is provided advancing from the fault display part 18 to a processor 1. The fault display parts 15 and 18 are constituted of latch circuits to latch several abnormality detecting signals and OR circuits to output the OR of those signals. Thereby, since the abnormality in a bus line is informed to the low-order device in making access even when the interface device detects it and the abnormality notice is issued from the low-order device to the processor, it is possible to make a circuit to display the failure of access from which low-order device unnecessary. Therefore, the quantity of hardware can be prevented from being increased, and also, to evade the redundancy of the abnormality notice.
    • 18. 发明专利
    • Remote maintenance system test system of exchange
    • 远程维护系统测试系统
    • JPS61141247A
    • 1986-06-28
    • JP26302384
    • 1984-12-14
    • Fujitsu LtdHitachi LtdNec CorpNippon Telegr & Teleph Corp Oki Electric Ind Co Ltd
    • SAITO JINKOSUZUKI TOSHIAKIAOKI TOSHIROWANAMI MASAOINOUE SABURO
    • H04M3/26H04Q1/26
    • H04Q1/26
    • PURPOSE:To eliminate the need for a test means to a remote maintenance system by utilizing an input/output equipment at the exchange side as a test means so as to eliminate disabled test items. CONSTITUTION:Procedures specific to each input/output equipment, that is, those for input/output equipment number, edition of test data and input/output instruction, initial setting of tested equipment, execution of test and test result analysis relating to each input/output equipment are replaced into those for remote maintenance system in order to test the remote maintenance system from an exchange 1. Thus, the remote maintenance system is handled as an input/output equipment by the exchange side and the exchange 1 conducts the test of the remote maintenance system. Thus, an input/output interface (a) of the exchange 1, a part (c) connecting an exchange interface (b) of an exchange additional equipment 2, a part (d) connecting exchange additional equipments 2, 3, a part (e) connecting the equipments 3, 4 and a remote maintenance equipment 4 are tested.
    • 目的:通过在交换机侧使用输入/输出设备作为测试手段,消除对远程维护系统的测试手段的需要,以消除残留的测试项目。 规定:每个输入/输出设备特定的程序,即输入/输出设备编号,测试数据和输入/输出指令的编辑,测试设备的初始设置,与每个输入/输出设备相关的测试和测试结果分析的执行, 输出设备被替换为用于远程维护系统的设备,以便从交换机1测试远程维护系统。因此,远程维护系统由交换机作为输入/输出设备处理,交换机1进行测试 远程维护系统。 因此,交换机1的输入/输出接口(a),连接交换机附加设备2的交换接口(b)的部分(c),连接交换附加设备2,3的部分(d) e)连接设备3,4和远程维护设备4。