Power management for network device line modules
AssigneeCiena Corporation
InventorsMichael J. Wingrove, Matthew William Connolly
Life of this patent
Estimating the term…
Abstract
A line module for use in a network device includes a plurality of circuits; and a power module connected to the plurality of circuits, and to a first Power Distribution Unit (PDU) and a second PDU, wherein the first PDU and the second PDU provide power distribution by different feeds, wherein the power module is configured to initiate a shutdown procedure when one or more of i) a current drawn from any feed equals or exceeds a first current threshold, and ii) an aggregate current drawn from all feeds equal or exceeds a second current threshold.
Claims17
A line module for use in a network device, the line module comprising:
- a plurality of circuits;
- and
- a power module comprising at least one circuit, the power module being connected to the plurality of circuits, and to a first Power Distribution Unit (PDU) and a second PDU, wherein the first PDU and the second PDU provide power distribution by different feeds,
- wherein the at least one circuit of the power module is configured to initiate a shutdown procedure in response to an occurrence of a current drawn from one of the different feeds equals or exceeds a current threshold,
- wherein the shutdown procedure is configured to shut down one or more of the plurality of circuits until the current threshold is no longer exceeded, and
- wherein the current threshold is based on one of a current rating of the first PDU or a current rating of the second PDU, to avoid blowing fuses or tripping breakers.
A network device comprising:
- a controller implemented in hardware;
- and
- one or more line modules communicatively coupled to the controller, each line module includes a plurality of circuits;
- and
- a power module comprising at least one circuit, the power module being connected to the plurality of circuits, and to a first Power Distribution Unit (PDU) and a second PDU, wherein the first PDU and the second PDU provide power distribution by different feeds,
- wherein the at least one circuit of the power module is configured to initiate a shutdown procedure of any of the one or more line modules in response to an occurrence of a current drawn from one of the different feeds equals or exceeds an allocated current threshold,
- wherein the shutdown procedure is configured to shut down one or more of the plurality of circuits until the current threshold are no longer exceeded, and
- wherein each of the plurality of circuits includes one or more of a Field Programmable Gate Array (FPGA) and an Application Specific Integrated Circuit (ASIC), and wherein each of the plurality of circuits is individually powered up and powered down.
A line module for use in a network device, the line module comprising:
- a plurality of circuits;
- and
- a power module comprising at least one circuit, the power module being connected to the plurality of circuits, and to a first Power Distribution Unit (PDU) and a second PDU, wherein the first PDU and the second PDU provide power distribution by different feeds,
- wherein the at least one circuit of the power module is configured to initiate a shutdown procedure in response to an occurrence of a current drawn from one of the different feeds equals or exceeds a current threshold, determined based on an aggregate current drawn,
- wherein the shutdown procedure is configured to shut down one or more of the plurality of circuits until the allocated current threshold is no longer exceeded, and
- wherein the line module is communicatively coupled to a controller, including at least one circuit, associated with the network device, and wherein the at least one circuit in the controller is configured to determine the current threshold.
Dependencies are inferred from the claim text.