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US 11,082,322 B2Granted
Port adaptation method and device
AssigneeHuawei Technologies Co., Ltd.
InventorsShiyong Fu, Yan Zhuang, Rui Hua
Life of this patent
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Abstract
A port adaptation method applied to a network device including a port adaptation apparatus includes probing whether the first port and the second port are connected to power sourcing equipment, and maintaining or changing one of the first port and the second port that is connected to power sourcing equipment as, or to, a powered state, and a state of the other port as, or to, a powering state.
Claims20
A port adaptation method, comprising:
- probing, by a network device comprising a first port, a second port, and a port adaptation apparatus, whether a first port and a second port are each connected to power sourcing equipment, wherein the port adaptation apparatus comprises a power sourcing chip and a powered chip, wherein the port adaptation apparatus is configured to control, by a switching element disposed between the power sourcing chip and the first port and second port, the first port and the second port to connect to the power sourcing chip and the powered chip, wherein the probing comprises detecting, by a first voltage probe disposed between the first port and the switching element and by a second voltage probe disposed between the second port and the switching element, whether a valid input voltage is present at at least one of the first port or the second port;
- and
- performing a port management process comprising:
- performing, in response the probing indicating that the first port is connected to the power sourcing equipment, at least one of maintaining a first state of the first port in a powered state or changing the first state of the first port to the powered state, and further performing, in response the probing indicating that the first port is connected to the power sourcing equipment, at least one of maintaining a second state of the second port as a powering state or changing the second state of the second port to the powering state;
- and
- performing, in response to the probing indicating that the second port is connected to the power sourcing equipment, at least one of maintaining the second state of the second port in the powered state or changing the second state of the second port to the powered state, and further performing, in response to the probing indicating that the second port is connected to the power sourcing equipment, at least one of maintaining the first state of the first port in the powering state, or changing the first state of the first port to the powering state;
- wherein the maintaining the first state of the first port in the powered state comprises maintaining, by the switching element, an electrical connection between the first port and the powered chip, and wherein the changing the first state of the first port to the powered state comprises creating, by the switching element, an electrical connection between the first port and the powered chip;
- wherein the maintaining the second state of the second port as the powering state comprises maintaining, by the switching element, an electrical connection between the second port and the power sourcing chip, wherein the changing the second state of the second port to the powering state comprises creating, by the switching element, an electrical connection between the second port and the power sourcing chip;
- wherein the maintaining the second state of the second port in the powered state comprises maintaining, by the switching element, an electrical connection between the second port and the powered chip, and wherein the changing the second state of the second port to the powered state comprises creating, by the switching element, an electrical connection between the second port and the powered chip;
- and
- wherein the maintaining the first state of the first port as the powering state comprises maintaining, by the switching element, an electrical connection between the first port and the power sourcing chip, wherein the changing the first state of the first port to the powering state comprises creating, by the switching element, an electrical connection between the first port and the power sourcing chip.
8 more elements
A port adaptation apparatus of a network device, the port adaptation apparatus comprising:
- a power sourcing chip;
- a powered chip;
- and
- an adaptive module having a switching element, wherein the power sourcing chip is connected to the adaptive module, wherein the powered chip is connected to the adaptive module, and wherein the adaptive module is connected to a first port and a second port on the network device wherein the switching element is disposed between the power sourcing chip and the first port and second port, wherein the switching element is configured to selectively connect and disconnect the first port from the power sourcing chip and the powered chip, and wherein the switching element is further configured to selectively connect and disconnect the second port from the power sourcing chip and the powered chip;
- wherein the adaptive module is configured to:
- probe whether the first port and the second port are connected to power sourcing equipment, wherein the adaptive module being configured to probe whether first port and the second port are connected to the power sourcing equipment comprises the adaptive module being configured to detect, using a first voltage probe disposed between the first port and the switching element and using a second voltage probe disposed between the second port and the switching element, whether a valid input voltage is present at at least one of the first port or the second port;
- and
- perform a port management process comprising:
- perform, in response the probe indicating that the first port is connected to the power sourcing equipment, at least one of maintain a first state of the first port in a powered state or change the first state of the first port to the powered state, and further perform, in response the probe indicating that the first port is connected to the power sourcing equipment, at least one of maintain a second state of the second port as a powering state or change the second state of the second port to the powering state;
- and
- perform, in response to the probe indicating that the second port is connected to the power sourcing equipment, at least one of maintain the second state of the second port in the powered state or change the second state of the second port to the powered state, and further perform, in response to the probe indicating that the second port is connected to the power sourcing equipment, at least one of maintain the first state of the first port in the powering state, or change the first state of the first port to the powering state;
- wherein maintaining the first state of the first port in the powered state comprises maintaining, by the switching element, an electrical connection between the first port and the powered chip, and wherein changing the first state of the first port to the powered state comprises creating, by the switching element, an electrical connection between the first port and the powered chip;
- wherein maintaining the second state of the second port as the powering state comprises maintaining, by the switching element, an electrical connection between the second port and the power sourcing chip, wherein changing the second state of the second port to the powering state comprises creating, by the switching element, an electrical connection between the second port and the power sourcing chip;
- wherein maintaining the second state of the second port in the powered state comprises maintaining, by the switching element, an electrical connection between the second port and the powered chip, and wherein changing the second state of the second port to the powered state comprises creating, by the switching element, an electrical connection between the second port and the powered chip;
- and
- wherein maintaining the first state of the first port as the powering state comprises maintaining, by the switching element, an electrical connection between the first port and the power sourcing chip, wherein changing the first state of the first port to the powering state comprises creating, by the switching element, an electrical connection between the first port and the power sourcing chip.
13 more elements
A power supply system, comprising:
- power sourcing equipment;
- an intermediate device;
- and
- a powered device;
- wherein a first port on the intermediate device is connected to the power sourcing equipment, and wherein a second port on the intermediate device is connected to the powered device;
- wherein the intermediate device comprises a port adaptation apparatus having a power sourcing chip, a powered chip, and a switching element, wherein the port adaptation apparatus corresponds to the first port and the second port, wherein the switching element is disposed between the power sourcing chip and the first port and second port, wherein the switching element is configured to selectively connect and disconnect the first port from the power sourcing chip and the powered chip, and wherein the switching element is further configured to selectively connect and disconnect the second port from the power sourcing chip and the powered chip;
- and
- wherein the port adaptation apparatus is configured to control the first port to be in a powered state according to whether a valid input voltage is detected at at least one of the first port or the second port and by the switching element connecting a first one of the first port or the second port at which the valid input voltage is detected to the powered chip;
- wherein the port adaptation apparatus is further configured to control the second port to be in a power sourcing state according to whether the valid input voltage is detected at the at least one of the first port or the second port and by the switching element connecting a second one of the first port or the second port, other than the first one of the first port and the second port, to the power sourcing chip;
- wherein the port adaptation apparatus is further configured to perform at least one of:
- perform, in response a probe indicating that the first port is connected to the power sourcing equipment, at least one of maintain a first state of the first port in a powered state or change the first state of the first port to the powered state, and further perform, in response the probe indicating that the first port is connected to the power sourcing equipment, at least one of maintain a second state of the second port as a powering state or change the second state of the second port to the powering state, wherein the probe comprises detection of whether a valid input voltage is present at at least one of the first port or the second port, wherein the probe is performed by a first voltage probe disposed between the first port and the switching element and by a second voltage probe disposed between the second port and the switching element;
- or
- perform, in response to the probe indicating that the second port is connected to the power sourcing equipment, at least one of maintain the second state of the second port in the powered state or change the second state of the second port to the powered state, and further perform, in response to the probe indicating that the second port is connected to the power sourcing equipment, at least one of maintain the first state of the first port in the powering state, or change the first state of the first port to the powering state;
- wherein maintaining the first state of the first port in the powered state comprises maintaining, by the switching element, an electrical connection between the first port and the powered chip, and wherein changing the first state of the first port to the powered state comprises creating, by the switching element, an electrical connection between the first port and the powered chip;
- wherein maintaining the second state of the second port as the powering state comprises maintaining, by the switching element, an electrical connection between the second port and the power sourcing chip, wherein changing the second state of the second port to the powering state comprises creating, by the switching element, an electrical connection between the second port and the power sourcing chip;
- wherein maintaining the second state of the second port in the powered state comprises maintaining, by the switching element, an electrical connection between the second port and the powered chip, and wherein changing the second state of the second port to the powered state comprises creating, by the switching element, an electrical connection between the second port and the powered chip;
- and
- wherein maintaining the first state of the first port as the powering state comprises maintaining, by the switching element, an electrical connection between the first port and the power sourcing chip, wherein changing the first state of the first port to the powering state comprises creating, by the switching element, an electrical connection between the first port and the power sourcing chip.
15 more elements
Dependencies are inferred from the claim text.