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US 12,081,349 B2Granted
Optical network unit and PoE power supply system
AssigneeHuawei Technologies Co., Ltd.
InventorsJinbo Li, Zelin Wang, Xiaofei Zeng
Life of this patent
Estimating the term…
Abstract
Embodiments of this application disclose an optical network unit and a PoE power supply system. The optical network unit in embodiments of this application includes a conductive connection terminal, a switch module, a network transformer, a first voltage conversion module, and a network interface connector. The conductive connection terminal is configured to be connected to a power over Ethernet PoE power supply device, and the conductive connection terminal is connected to the network transformer.
Claims20
An optical network unit, comprising:
- a switch;
- a first voltage converter;
- a conductive connection terminal, configured to be connected to a power over Ethernet (PoE) power supply device, the conductive connection terminal comprising a positive terminal and a negative terminal;
- a network transformer, separately connected to the positive terminal of the conductive connection terminal and the negative terminal of the conductive connection terminal;
- and
- a network interface connector connected to the network transformer, wherein the network interface connector is configured to be connected to a PoE terminal device;
- wherein the conductive connection terminal is further connected to the first voltage converter using the switch;
- and
- wherein the switch is configured in a manner that:
- before a handshake between the PoE power supply device and the PoE terminal device is completed, the switch is in an open state;
- and
- after the handshake between the PoE power supply device and the PoE terminal device is completed, the switch is in a closed state.
9 more elements
A power over Ethernet (POE) power supply system, comprising:
- a PoE power supply device;
- and
- an optical network unit, comprising:
- a switch;
- a first voltage converter;
- a conductive connection terminal, configured to be connected to the PoE power supply device, the conductive connection terminal comprising a positive terminal and a negative terminal;
- a network transformer, separately connected to the positive terminal of the conductive connection terminal and the negative terminal of the conductive connection terminal;
- and
- a network interface connector connected to the network transformer, wherein the network interface connector is configured to be connected to a PoE terminal device;
- wherein the conductive connection terminal is further connected to the first voltage converter using the switch;
- wherein the switch is configured in a manner that:
- before a handshake between the PoE power supply device and the PoE terminal device is completed, the switch is in an open state;
- and
- after the handshake between the PoE power supply device and the PoE terminal device is completed, the switch is in a closed state.
11 more elements
A system, comprising:
- a power over Ethernet (POE) power supply device;
- a PoE terminal device;
- and
- an optical network unit, comprising:
- a switch;
- a first voltage converter;
- a conductive connection terminal, configured to be connected to the PoE power supply device, the conductive connection terminal comprising a positive terminal and a negative terminal;
- a network transformer, separately connected to the positive terminal of the conductive connection terminal and the negative terminal of the conductive connection terminal;
- and
- a network interface connector connected to the network transformer, wherein the network interface connector is configured to be connected to the PoE terminal device;
- wherein the conductive connection terminal is further connected to the first voltage converter using the switch;
- wherein the switch is configured in a manner that:
- before a handshake between the PoE power supply device and the PoE terminal device is completed, the switch is in an open state;
- and
- after the handshake between the PoE power supply device and the PoE terminal device is completed, the switch is in a closed state.
12 more elements
Dependencies are inferred from the claim text.