Patent ID: 6295615
Filing Date: 2001-09-25
Classification: H04J,H04L

Abstract:
A first terminal for exchanging information with a second terminal over a first communications link and a second communications link wherein the communications links are configured in parallel between the first and second terminals and are operable to transmit the information, and wherein the first communications link is operable to transmit a fault indication signal upon detection of a fault condition affecting the first communications link, the first terminal comprising:a transmitting means for simultaneously transmitting duplicate information to the second terminal over the first communication link and the second communication link; anda receiving means for receiving duplicate information from the second terminal over the first communication link and the second communication link, for monitoring the information from the first communications link to detect the fault indication signal, and for replacing the information from the first communications link with corresponding information from the second communications link upon detection of the fault indication signal.