Patent ID: 8681600
Filing Date: 2014-03-25
Classification: H04B,H04M,H04Q

Abstract:
1. A residential fiber optic communication system powered by utility company electric power, said system permitting communication via customer premises equipment (CPE) including a telephone in a normal mode of operation, said system comprising: an optical line terminal (OLT) located remotely from said customer premises; an optical network terminal (ONT) located in said customer premises in communication over a fiber optic cable with said (OLT); a DC power supply located in said customer premises for supplying electrical power to said ONT and to said telephone via said ONT; a rechargeable battery backup unit (BBU) located in said customer premises and rechargeable by said power supply, said BBU being operatively coupled to said ONT and to said telephone via said ONT to supply substitute electrical power to said ONT and to said telephone via said ONT if and when said utility company electric power fails; and a controller communicatively coupled to said BBU and configured to sense if said telephone goes off hook again at a time after the end of said first time period and during said utility-company power failure and, responsive to said off hook again, reapply service power from said BBU to said telephone to permit a call to be made, and maintain service power from said BBU to said telephone for a second time period occurring during said utility-company power failure after which service power from said BBU is again disconnected from said telephone, said again disconnection occurring during said utility-company power failure.