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    • 6. 发明授权
    • Reconfigurable node for a hybrid fiber cable network
    • 用于混合光纤网络的可重配置节点
    • US07039317B2
    • 2006-05-02
    • US10304595
    • 2002-11-25
    • Marlin McGregor
    • Marlin McGregor
    • H04J14/00
    • H04L12/2801
    • A reconfigurable node for a hybrid fiber cable network includes fiber slots housing a transmitter or receiver interfacing to a head end, coax slots housing an RF brick interfacing with subscribers and RF plug-in modules providing connectivity between the fiber and coax slots. The plug-in modules include connection points, for connection to a fiber or coax slot. A fiber impedance element, associated with the transmitter or receiver in that fiber slot, is connected to each fiber slot. Each fiber impedance element has a different impedance value. A coax impedance element, associated with the RF brick in that coax slot, is connected to each coax slot. Each coax impedance element has a different impedance value. An impedance sensing circuit detects a DC level associated with each connection point which corresponds with the impedance element in a respective fiber or coax slot to determine the location of transmitters, receivers or RF bricks.
    • 用于混合光纤电缆网络的可重新配置节点包括容纳与头端接口的发射器或接收器的光纤插槽,壳体与用户接口的RF砖的同轴电缆插槽和提供光纤和同轴电缆插槽之间的连接的RF插件模块。 插件模块包括连接点,用于连接到光纤或同轴电缆槽。 与光纤插槽中的发射器或接收器相关联的光纤阻抗元件连接到每个光纤槽。 每个光纤阻抗元件具有不同的阻抗值。 与同轴电缆槽中的RF砖相关联的同轴电缆阻抗元件连接到每个同轴电缆插槽。 每个同轴阻抗元件具有不同的阻抗值。 阻抗感测电路检测与相应光纤或同轴电缆槽中的阻抗元件相对应的每个连接点相关联的DC电平,以确定发射器,接收器或RF砖的位置。