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    • 5. 发明授权
    • Modular data routing system
    • 模块化数据路由系统
    • US4763329A
    • 1988-08-09
    • US827415
    • 1986-02-10
    • Michael W. Green
    • Michael W. Green
    • H04L12/00H04L12/26H04L12/44H04L1/22G06F11/16
    • H04L12/00H04L12/44H04L43/0817H04L43/0823
    • A modular system for controlling the routing of data through a plurality of data terminals includes a number of modules in a tree structure. Each of the modules has circuitry for receiving a data stream. Each of the modules further has a plurality of ports, each port being suitable for transmitting data to and receiving data from data devices such as data terminals and other modules. Each of the modules includes a routing array connected to the ports for serially connecting the ports for flow of the data stream through the operable data devices connected to the ports. The routing array is internally controllable to open a selected one of a plurality of data paths between the ports. At least some of the ports have driver circuits associated therewith for regenerating and converting the data stream as it passes between ports in the selected data path. Each module has an output for supplying the data stream from the module to a destination device. Detecting circuitry is included in each module for automatically detecting a fault between the input and output of that module. The detecting circuitry is responsive to the detection of such a fault to control the routing array to open a fault-free data path between the input and output of the module if any such path exists.
    • 用于控制通过多个数据终端的数据路由的模块化系统包括树形结构中的多个模块。 每个模块具有用于接收数据流的电路。 每个模块还具有多个端口,每个端口适用于向诸如数据终端和其他模块的数据设备发送数据并从数据设备接收数据。 每个模块包括连接到端口的路由阵列,用于串行连接端口,用于通过连接到端口的可操作数据设备的数据流的流。 路由阵列在内部可控制以打开端口之间的多个数据路径中的所选择的一个。 至少一些端口具有与之相关联的驱动器电路,用于当数据流在所选择的数据路径中的端口之间通过时再生和转换数据流。 每个模块都有一个输出,用于将数据流从模块提供给目标设备。 每个模块都包含检测电路,用于自动检测该模块的输入和输出之间的故障。 检测电路响应于这种故障的检测来控制路由阵列以在任何这样的路径存在时在模块的输入和输出之间打开无故障的数据路径。