作者: Daniel Goertzen , Cary R. Murphy , Mark K. Bridges
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摘要: A method is provided for detecting intrusion into optical fibers of a Passive Optical Network (PON) the type which includes multiplexing system at head end separating data signal output to plurality supply user terminals and transmission each entering onto fiber as an signal. The providing monitor having transmitter analysis analyzing changes in after along event. one or more detection conversion from digital then transmitted back using through PON separately system.