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1.发明授权Diagnostic mechanism for monitoring operational status of remote monitoring and test unit which controllably test and conditions subscriber line circuits 失效用于监控远程监控和测试单元的运行状态的诊断机制，可控制地测试和调节用户线路电路
公开(公告)号：US5528661A
公开(公告)日：1996-06-18
申请号：US193811
申请日：1994-02-09
CPC分类号： H04M3/30
摘要： A self diagnostic test routine resident in firmware in a remote, programmable device for testing telephone lines diagnostically examines the operational capability of each of a plurality of prescribed signal processing functions contained within the test device, on a selected one of a `loop` (effectively continuous) basis, `automatically`--at a less than continuous but still meaningfully periodic rate, or `on-demand`--at any time requested by the user. In addition, a running log is maintained of the results of each diagnostic test, and the results of each diagnostic test are compared with a set of thresholds associated with respectively different standards of performance of the test device. As a result of this comparison, the performance capability or status of the device is classified into one of three categories: PASS, MARGINAL, or FAIL, and communicated to system maintenance personnel.
摘要翻译： 驻留在用于测试电话线的远程可编程设备中的固件中的自诊断测试例程诊断性地检查包含在测试设备内的多个规定的信号处理功能中的每一个的操作能力，在“循环”（有效地） 连续）的基础上，在用户要求的任何时间，“自动” - 以小于连续但仍有意义的周期性速率或“按需”。 另外，维护每个诊断测试结果的运行日志，并将每个诊断测试的结果与与测试设备的不同性能标准相关联的一组阈值进行比较。 作为比较的结果，设备的性能能力或状态被分为三类：PASS，MARGINAL或FAIL，并传达给系统维护人员。
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2.发明授权Local/remote modification of electronically alterable operating system firmware resident in redundant flash memory of remote unit for testing/conditioning subscriber line circuits 失效驻留在远程单元的冗余闪存中的电子可变操作系统固件的本地/远程修改，用于测试/调节用户线电路
公开(公告)号：US5452339A
公开(公告)日：1995-09-19
申请号：US194203
申请日：1994-02-09
CPC分类号： G06F8/71 , H04M3/30 , H04Q3/54516 , H04Q3/54591 , H04Q2213/1305 , H04Q2213/13109 , H04Q2213/13376
摘要： A remote measurement unit for testing and conditioning one or more telephone lines includes multiple electronically erasable flash memory banks, which contain respective versions of the operating system employed by the test unit's micro-controller. An operating system modification routine employed by the host processor of a remote site allows the functionality of the remote test unit to be selectively modified by electronically installing an upgraded or downgraded version of the operating system, or by electronically selectively activating or deactivating one or more operational features of the currently active operating system. A reset routine ensures that the operating system modification mechanism will only boot up the `correct` one of the two quasi-redundant systems available to the RMU's microcontroller after a system modification has been performed. In addition, the temporary insertion of a no-op code field just prior to the beginning of the program prevents the RMU's processor from accidentally booting up a modified system until the system has been verified as operational.
摘要翻译： 用于测试和调理一个或多个电话线的远程测量单元包括多个电子可擦除闪存组，其包含由测试单元的微控制器采用的操作系统的相应版本。 由远程站点的主机处理器使用的操作系统修改程序允许通过电子地安装操作系统的升级或降级版本，或者通过电子地选择性地激活或去激活一个或多个操作来选择性地修改远程测试单元的功能 当前活动的操作系统的功能。 复位例程确保操作系统修改机制只能在执行系统修改之后启动可用于RMU微控制器的两个准冗余系统中的“正确”一个。 另外，在程序开始之前临时插入无操作代码字段，防止RMU处理器意外启动修改后的系统，直到系统被验证为可操作。
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3.发明授权
公开(公告)号：US5440610A
公开(公告)日：1995-08-08
申请号：US48348
申请日：1993-04-14
CPC分类号： H04M3/30
摘要： The rate of change of a metallic subscriber loop charging characteristic and the period of time elapsed subsequent to the coupling of testing circuitry of a remote test unit coupled to the line are measured. The operation of the testing circuitry within the remote test unit is initiated in response to the rate of change of line voltage reaching a preselected rate of change, prior to the elapsed period of time reaching a prescribed time value. If the measured period of time reaches a prescribed value prior to the monitored rate of change of line voltage reaching the preselected rate of change, the last sampled value of the line voltage is stored and reported to a mechanized loop test system supervisory site.
摘要翻译： 测量金属用户环路充电特性的变化率以及耦合到耦合到线路的远程测试单元的测试电路耦合之后经过的时间段。 远程测试单元内的测试电路的操作是响应于在经过的时间段达到规定的时间值之前的线路电压的变化率达到预先选择的变化率而启动的。 如果测量的时间段在监测到的电压变化率达到预先设定的变化率之前达到规定值，则将线路电压的最后采样值存储并报告给机械化回路测试系统监控站点。
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4.发明授权
公开(公告)号：US5615225A
公开(公告)日：1997-03-25
申请号：US194232
申请日：1994-02-09
申请人： Derek G. Foster , Edward K. W. Siu , Ben A. Pierce , Michael Kennedy , Onofrio Schillaci , Alex Knight
发明人： Derek G. Foster , Edward K. W. Siu , Ben A. Pierce , Michael Kennedy , Onofrio Schillaci , Alex Knight
摘要： A processor-controlled integrated telephone line measurement and conditioning apparatus installable at a remote site provides a multiplicity of measurement and conditioning functions that are selectively executable in response to commands issued from a supervisory command site. The dual measurement and conditioning capabilities of the architecture of the present invention impart both remote measurement unit (RMU) functionality and metallic access unit (MAU) functionality that may be individually accessed and controlled. The RMU operates primarily as a test head that performs mechanized loop testing (MLT) tasks, while the MAU is operative to impart prescribed electrical conditions to a specified line circuit. When controllably accessed to operate as an RMU, the present invention responds to instructions from a command site (loop maintenance operations systems) and performs single-line demand tests on a line provided by a pair gain system. To operate as an MAU, the system receives commands from a direct access test unit (DATU) and performs line conditioning functions on the test line provided by the pair gain system.
摘要翻译： 可在远程站点安装的处理器控制的集成电话线测量和调节装置提供多个测量和调节功能，其可响应于从监督命令站点发出的命令而选择性地执行。 本发明的架构的双重测量和调节能力赋予可单独访问和控制的远程测量单元（RMU）功能和金属接入单元（MAU）功能。 RMU主要作为执行机械化回路测试（MLT）任务的测试头，而MAU可操作地将规定的电气条件赋予指定的线路电路。 当可控地访问以作为RMU操作时，本发明响应来自命令站点（循环维护操作系统）的指令，并且对由对增益系统提供的线路执行单线需求测试。 为了作为MAU操作，系统从直接访问测试单元（DATU）接收命令，并在对增益系统提供的测试线上执行线路调节功能。
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5.发明授权User-controlled electronic modification of operating system firmware resident in remote measurement unit for testing and conditioning of subscriber line circuits 失效用户控制电子修改驻留在远程测量单元中的操作系统固件，用于测试和调节用户线路电路
公开(公告)号：US5504801A
公开(公告)日：1996-04-02
申请号：US193814
申请日：1994-02-09
CPC分类号： H04Q3/54591 , G06F8/65 , H04M3/30 , H04Q3/54516 , H04Q2213/1305 , H04Q2213/13109 , H04Q2213/13168 , H04Q2213/13376
摘要： A remote test unit for testing and conditioning one or more telephone lines includes multiple electronically erasable flash memory banks, which contain respective versions of the operating system employed by the test unit's micro-controller. An operating system modification routine employed by the host processor of a remote site allows the functionality of the remote test unit to be selectively modified by electronically installing an upgraded or downgraded version of the operating system, or by electronically selectively activating or deactivating one or more operational features of the currently active operating system.
摘要翻译： 用于测试和调理一个或多个电话线的远程测试单元包括多个电子可擦除闪存组，其包含由测试单元的微控制器采用的操作系统的相应版本。 由远程站点的主机处理器使用的操作系统修改程序允许通过电子地安装操作系统的升级或降级版本，或者通过电子地选择性地激活或去激活一个或多个操作来选择性地修改远程测试单元的功能 当前活动的操作系统的功能。
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