System utilizing built-in redundancy switchover control

Details System utilizing built-in redundancy switchover control System utilizing built-in redundancy switchover control

H - Electricity

05

K

H05K 10/00 (2006.01) H04B 1/74 (2006.01) H04L 1/22 (2006.01) H04L 12/56 (2006.01)

Patent

CA 2153128

A redundant system (10), such as a redundant-modem system, having a plurality of similar components (20a,20b) capable of operating independently of each other. At least one of the components (20a,20b) serves as a spare component (20b). The system further includes a plurality of switches (30,35) connected to the inputs and outputs of the components (20a,20b) such that the inputs and outputs of each of the components (20a,20b) may be rerouted through the component (20b) operating as the spare. When operating as a spare, a component (20b) monitors status information received from the other components (20a) and detects when one of the other components (20a) has failed. When one of the components (20a) has failed, the component (20b) acting as a spare controls the switches (30,35) such that the spare component (20b) replaces the failed component (20a).

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