Patent ID: 7974404

Claim:
A system for powering a network interface device (NID) comprising: a primary power supply device (PPSD), wherein the PPSD is operable to receive an alternating current (AC) from an AC receptacle and convert the AC into direct current (DC) to supply power to the NID; a battery backup device (BBD), wherein the BBD includes a battery and is configured to provide power to the NID in response to a power loss event; and an electrical bus connecting the PPSD, the BBD, and the NID in parallel, wherein the power from the PPSD is supplied to the NID and the BBD in parallel via the electrical bus, wherein the NID is operable to receive signals from a service provider and convert the signals received from the service provider into a format used by a user device; wherein the user device is operable to receive communication signals from the NID.