Network receiver to household telephone wires

A home phone wire network receiver can test the effective signals of network information and butt rollback signals containing QAM demodulator, equalizer, decoder, reading-access device of transmission information, matched information filter module composed of a adder and a matched operation circuit and a detector, in which the adder adds signal 1 and signal Q to output combined signal and the matched operation circuit will make matched operations with the combined signal and matched values such as comparing operation and product operation thereto output the result to the detector which can detect if the identified code TRN 16 has inputted due to the direct connecting of the information matched filter module to the output of QAM demodulator to detect the output of the matched filter moduleidentifying if the packet to be butt rollback signal or the effective signal.