Parallel split powering

Details Parallel split powering Parallel split powering

2011-07-05

2011-07-05

Gauthier, Gerald (Department: 2614)

Telephonic communications

Subscriber line or transmission line interface

Network interface device

C379S413000, C439S131000, C475S215000, C475S269000, C477S002000, C713S324000

Reexamination Certificate

active

07974404

ABSTRACT:
A system for providing power to a network interface device (NID) includes a primary power supply device (PPSD), a battery backup device (BBD), and an electrical bus connecting the PPSD, the BBD, and the NID in parallel. The PPSD is operable to power the NID. The BBD is configured to provide power to the NID in response to a power loss event, such as the PPSD failing to provide adequate power to the NID.

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