the invention relates to the method of the local loop, in which sampling parameters before the line to line a local loop connected subscriber access device, then sends out request initiation measurements diagnostic intervention shall port, successively verified synchronization and termination subscriber (20).after sampling and before the stage line parameters data record in the database (17), with a positive verification verifies previous stages on successively obtained przepu0142ywnou015bu0107 line local loop, stability and possible link line.after the recording data, the verification shall be zwrotnie together with instructions to conduct device (21) instructing and restores the default settings parameters measurement port.
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