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    • 1. 发明授权
    • Frame phase aligner
    • 框架相位对准器
    • US5546401A
    • 1996-08-13
    • US360032
    • 1994-12-20
    • Sang H. LeeJung H. KoTae H. LeeChang S. Shim
    • Sang H. LeeJung H. KoTae H. LeeChang S. Shim
    • H04L7/04H03K5/13H04J3/04H04J3/06
    • H04J3/047H03K5/13H04J3/0602
    • A frame phase aligner for a transfer system includes selection circuitry for selecting one of a plurality of input signal groups, which include data, a clock signal, an inverse clock signal and a frame synchronous signal, received from outside of the frame phase aligner. A selection signal generator provides the selection circuitry with a selection signal according to write data input from outside of the frame phase aligner, so that the selection circuitry selects one of the plurality of input signal groups according to the selection signal indicative of the setup environment of the transfer system. A control signal generator generates control clock signals and a retiming control signal in order to demultiplex selected data of the input signal group selected. A demultiplexer demultiplexes data selected to form parallel data, retimes the parallel data, and controls the phase of the parallel data according to the control retiming signal and the control clock signals output from the control signal generator. A multiplexer synchronizes the demultiplexed data output from the demultiplexer to a reference frame synchronous signal and reference control signals, and a reference control signal generator provides the reference frame synchronous signal and the reference control signals for the multiplexer.
    • 用于传送系统的帧相位对准器包括选择电路,用于选择从帧相位对准器外部接收的多个输入信号组中的一个,包括数据,时钟信号,反时钟信号和帧同步信号。 选择信号发生器根据从帧相位对准器的外部输入的写数据向选择电路提供选择信号,使得选择电路根据指示设置环境的选择信号选择多个输入信号组中的一个 传输系统。 控制信号发生器产生控制时钟信号和重定时控制信号,以便对所选输入信号组的选择数据进行解复用。 解复用器将选择的数据解复用以形成并行数据,重新并行数据,并根据控制重新定时信号和从控制信号发生器输出的控制时钟信号控制并行数据的相位。 复用器将从解复用器输出的解复用数据同步到参考帧同步信号和参考控制信号,参考控制信号发生器为多路复用器提供参考帧同步信号和参考控制信号。
    • 2. 发明授权
    • Add-drop control apparatus
    • 分插控制装置
    • US5528580A
    • 1996-06-18
    • US409151
    • 1995-03-23
    • Sang H. LeeJung H. KoJong H. KimKyung K. Jeon
    • Sang H. LeeJung H. KoJong H. KimKyung K. Jeon
    • H04L12/00H04J3/08H04Q11/04H04J3/00
    • H04J3/08H04J2203/006
    • An add-drop control apparatus includes first and second data input units for inputting external first and second data signals, respectively, a frame phase arrangement unit for arranging phases of an external add data signal, an add data controller for transferring a first add data signal from the frame phase arrangement unit to a host stage in a selected one of a plurality of operating modes under control of a processor, a drop data controller for transferring selectively first and second drop data signals from the first and second data input units and a local loop back data signal from the add data controller to a tributary stage in the selected operating mode under the control of the processor, first and second data output controllers for transferring selectively first and second remote loop back data signals from the first and second data input units, first and second through data signals from the second and first data input units and second and third add data signal signals from the add data controller externally in the selected operating mode under the control of the processor, respectively, and an alarm indication signal insertion controller for checking an external add frame synchronous signal and outputting an alarm indication signal control signal to the add data controller in accordance with the checked result.
    • 分插控制装置包括用于分别输入外部第一和第二数据信号的第一和第二数据输入单元,用于布置外部附加数据信号的相位的帧相位布置单元,用于传送第一加法数据信号的加法数据控制器 在处理器的控制下,从帧相位布置单元到多个操作模式中选定的一个中的主机台,用于从第一和第二数据输入单元选择性地传送第一和第二丢弃数据信号的分支数据控制器,以及本地 在处理器的控制下,将来自加法数据控制器的数据信号从加法数据控制器回送到所选择的操作模式的支路级;第一和第二数据输出控制器,用于从第一和第二数据输入单元选择性地传送第一和第二远程环回数据信号 来自第二和第一数据输入单元的第一和第二通过数据信号,以及来自第二数据输入单元的第二和第三加数据信号信号 在处理器的控制下,在所选择的操作模式中外部添加数据控制器;以及报警指示信号插入控制器,用于检查外部添加帧同步信号,并根据报告指示信号控制信号向添加数据控制器输出报警指示信号控制信号 检查结果。