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Method for monitoring a passive optical network using monitoring units

机译:使用监视单元监视无源光网络的方法

摘要

A method for monitoring a passive optical network (1), PON, having a tree-like structure with a main line (3) and at least two branches (6.1 to 6.3), comprising: transmitting a wake-up signal (10) from the main line (3) to at least two monitoring units (DPM1 to DPM3) arranged in the at least two branches (6.1 to 6.3), in each of the monitoring units (DPM1 to DPM3), detecting the wake-up signal (10) and transmitting a response signal (A, B, C) back to the main line (3), each of the monitoring units (DPM1 to DPM3) generating a pre-defined time delay (ΔtA to ΔtC) between the detection of the wake-up signal (10) and the start of the transmission of the response signal (A, B, C), and receiving the response signals (A, B, C) at the main line (3), the receiving times (R1 to R3) of the response signals (A, B, C) being different from each other, the difference between the receiving times (R1 to R3) being adjusted by the pre-defined time delays (ΔtA to ΔtC) of the monitoring units (DPM1 to DPM3).
机译:一种用于监视无源光网络( 1 )PON的方法,该方法具有树形结构,具有干线( 3 )和至少两个分支( 6.1 6.3 ),包括:将唤醒信号( 10 )从主线( 3 )传输到至少两个分支( 6.1 6.3 )中布置了至少两个监视单元(DPM 1 至DPM 3 ) ),在每个监视单元(DPM 1 至DPM 3 )中,检测唤醒信号( 10 )并发送响应信号(A,B,C)返回主线路( 3 ),每个监视单元(DPM 1 至DPM 3 )在检测到唤醒信号( 10 )和启动之间产生一个预定的时间延迟(Δt A 至Δt C )响应信号(A,B,C)的传输以及在主线路( 3 )上接收响应信号(A,B,C)的时间,接收时间(R 响应信号(A,B,C)中的1 至R 3 )不同于e另外,接收时间(R 1 至R 3 )之间的差值可通过预定义的时间延迟(Δt A 监视单位(DPM 1 至DPM 3 )的Δt C )。

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