Power saving methods in gateway
First Claim
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1. A method of providing power to specific portions of a gateway having Local Area Network (LAN) and Wide Area Network (WAN) interfaces and components and a reserve power supply, the method comprising:
- detecting whether power from a main power supply to the gateway has been disrupted; and
supplying power from the reserve power supply only to portions of the gateway needed to make a voice call when power from the main power supply has been disrupted.
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Abstract
When a gateway detects that power from a primary power supply is disrupted or unavailable, reserve power, such as from batteries, is provided only to those components, ports, interfaces, and circuits associated with the gateway that are required for making a voice call or a lifeline call.
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Citations
19 Claims
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1. A method of providing power to specific portions of a gateway having Local Area Network (LAN) and Wide Area Network (WAN) interfaces and components and a reserve power supply, the method comprising:
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detecting whether power from a main power supply to the gateway has been disrupted; and
supplying power from the reserve power supply only to portions of the gateway needed to make a voice call when power from the main power supply has been disrupted. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13)
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14. A gateway for a communication network having WAN and LAN ports, comprising:
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a reserve power supply;
a detection circuit coupled to the reserve power supply and a main power supply for detecting when power from the main power supply is disrupted;
and a processor coupled to an output of the detection circuit, wherein the processor is configured to provide power from the reserve power supply to ports needed for voice calling when power from the main power supply is disrupted. - View Dependent Claims (15, 16, 17, 18)
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19. A circuit for providing power to specific portions of a gateway having Local Area Network (LAN) and Wide Area Network (WAN) interfaces and components, the circuit comprising:
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means for detecting whether power from a main power supply to the gateway has been disrupted; and
means for supplying power from a reserve power supply only to portions of the gateway needed to make a voice call when power from the main power supply has been disrupted.
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Specification