Relay set in network device and method thereof
First Claim
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1. A relay set in a network device, the relay comprising:
- a first switch coupled between a first receiving end of the network device and a first transmitting end of the network device;
a switch control unit coupled to a control end of the first switch, configured to turn off the first switch when the network device is in a first state; and
a first AC coupling unit coupled to the first receiving end and the control end of the first switch, configured to turn on the first switch according to a first signal received from the first receiving end when the network device is in a second state.
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Abstract
A relay set in a network device. The relay includes a first switch, a switch control unit, and a first AC coupling unit. The first switch is coupled between a first receiving end of the network device and a first transmitting end of the network device. The switch control unit is configured to turn off the first switch when the network device is in a first state. The first AC coupling unit is configured to turn on the first switch according to a first signal received from the first receiving end when the network device is in a second state.
23 Citations
20 Claims
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1. A relay set in a network device, the relay comprising:
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a first switch coupled between a first receiving end of the network device and a first transmitting end of the network device; a switch control unit coupled to a control end of the first switch, configured to turn off the first switch when the network device is in a first state; and a first AC coupling unit coupled to the first receiving end and the control end of the first switch, configured to turn on the first switch according to a first signal received from the first receiving end when the network device is in a second state. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15)
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16. A method of supplying power to a network device, the method comprising:
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providing a relay, the relay comprising; a first switch coupled between a first receiving end of the network device and a first transmitting end of the network device; a switch control unit coupled to a control end of the first switch configured to control the first switch; and a first AC coupling unit coupled to the first receiving end and the control end of the first switch, configured to control the first switch; turning off the first switch when the network device is in a first state; and turning on the first switch according to a first signal received from the first receiving end when the network device is in a second state. - View Dependent Claims (17, 18, 19, 20)
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Specification