Power over Ethernet (PoE)

Power over Ethernet (PoE) is a technology that simultaneously transmits data and power over existing Ethernet infrastructure. This technology not only transmits network data through a standard Ethernet cable, but also provides DC power to remote devices without the need for additional power cords. The PoE system mainly consists of two parts: power supply equipment (PSE) and power receiving equipment (PD). PSE is responsible for injecting power into Ethernet signals, while PD is responsible for extracting power from Ethernet signals and converting it into the voltage required by the device. In design principle, PoE utilizes Ethernet idle pairs (such as 4, 5, 7, 8) or all four pairs (depending on the standard) to transmit power while keeping network data transmission unaffected.

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Phihong USA POE125U-4-AT-N

POE125U-4-AT-N

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Phihong USA

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Phihong USA POE60S-4AF

POE60S-4AF

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Phihong USA

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Phihong USA POE16S-1AFG

POE16S-1AFG

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Phihong USA

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Phihong USA POE480U-8UP

POE480U-8UP

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Phihong USA

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Phihong USA POE370U-480-8

POE370U-480-8

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Phihong USA

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Phihong USA POE125U-8-C

POE125U-8-C

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Phihong USA

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Laird Technologies IAS POE-18I
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Laird Technologies IAS POE-24I
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Phihong USA POE14-033

POE14-033

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Phihong USA

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Phihong USA POE60D-560(G)

POE60D-560(G)

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Phihong USA

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Phihong USA POE576U-16AT-N

POE576U-16AT-N

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Phihong USA

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Phihong USA POE806U-24AT

POE806U-24AT

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Phihong USA

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Phihong USA POE370U-480-24

POE370U-480-24

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Phihong USA

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Phihong USA POE61W-560DG

POE61W-560DG

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Phihong USA

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Phihong USA POE45-120

POE45-120

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Phihong USA

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Phihong USA POE29U-560

POE29U-560

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Phihong USA

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Digi AWPOE

AWPOE

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Digi

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Phihong USA POE20D-1AF

POE20D-1AF

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Phihong USA

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Microsemi Corporation PD9501GR/AC
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Microsemi Corporation PD-9001GR/AC-US
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Power over Ethernet (PoE): Power over Ethernet (PoE) is widely used in various scenarios that require remote power supply and network connectivity. In the field of security monitoring, PoE technology enables devices such as cameras and access control systems to simultaneously transmit data and supply power through a single Ethernet cable, greatly simplifying wiring work and reducing installation costs. In the field of wireless communication, PoE provides power for wireless access points, base stations, and other devices, supporting flexible deployment of wireless networks. In addition, PoE is widely used in smart homes, building automation, industrial Internet of Things and other fields, providing convenient and efficient power solutions for various smart terminals and sensors. By reducing the number of cables, PoE technology also improves the reliability and security of the system.

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