Patent ID: 8135273
Filing Date: 2012-03-13
Classification: H04B

Abstract:
1. A system comprising: a hub; at least one remote node that is located remotely from the hub; wherein the hub communicates with the at least one remote node via either one of a primary fiber path and a backup fiber path, the primary fiber path comprising an uplink fiber and a downlink fiber and the backup fiber path comprising an uplink fiber and a downlink fiber; wherein the at least one remote node is coupled to the downlink fiber of the primary fiber path and the downlink fiber of the backup fiber path via an optical combiner; wherein the at least one remote node is further coupled to the uplink fiber of the primary fiber path and the uplink fiber of the backup fiber path via an optical splitter; wherein the at least one remote node further comprises a manager monitoring a signal quality of a downlink optical signal, wherein the manager transmits an uplink optical signal to the hub based on the signal quality; and wherein the hub switches from communicating with the at least one remote node on the primary fiber path to communicating with the at least one remote node on the backup fiber path based on the uplink optical signal from the manager.