Patent ID: 6275468
Filing Date: 2001-08-14
Classification: H04L,H04M

Abstract:
A method comprising:determining that a signal stream has been routed through a redundant signal line when a fault of the signal stream through a signal line loop has been detected, the redundant signal line forming an alternate signal line loop, wherein the step of determining that the signal stream has been routed through a redundant signal line includes:receiving from at least one of a number of communication units coupled to the signal line loop a shortened uplink burst SUB;determining if the SUB from the at least one of the number of communication units aligns within a predetermined window of the signal stream; andconcluding that the fault of the signal stream has occurred when the SUB does not completely align within the predetermined window of the signal stream; andselecting from a number of provided delay parameters a selected delay parameter corresponding to the alternate signal line loop to adjust a timing of the signal stream according to the selected delay parameter.