Power over Ethernet (PoE) refers to an Ethernet power delivery technology that transmits both electricity and data simultaneously over twisted-pair cables. It is an active Ethernet power supply technology that transmits both data signals and electricity to network devices without modifying existing Ethernet cabling.
This technology significantly enhances network stability and flexibility, making it highly popular. Currently, the market offers a wide range of PoE-based applications, such as Gigabit PoE switches, PoE power supplies, and PoE splitters.
POE Power Adapter Connection Methods
| Interface Identification | POE power adapters typically feature two ports: a data input port and a POE power output port. |
| Data Input Port Connection | This port connects to a computer or switch for data transmission. |
| POE Power Port Connection | This port connects to devices requiring power, such as wireless access points or IP cameras. |
| Wire Pair Usage: Two primary POE power standards exist. | Alternative A utilizes Pairs 1, 2, 3, and 6 for power delivery. Connecting to a 100Mbps switch requires a 4-pair cable, while connecting to a Gigabit switch requires an 8-pair cable. |
| Alternative B utilizes wires 4, 5, 7, and 8 for power delivery. An 8-wire cable is required regardless of whether connecting to a 100Mbps or Gigabit switch. |
When installing and using PoE power adapters, ensure ports remain unobstructed, avoid harsh environments, secure cables with cable ties, and maintain cable lengths within specified limits to guarantee proper device operation and safety.
Primary Functions of POE Power Adapters
Power over Ethernet (PoE): It transmits both data and electricity through standard Ethernet cables (e.g., Cat5, Cat6). This eliminates the need for separate power cables for certain devices.
Simplified Installation: POE adapters reduce cabling complexity, particularly when deploying network devices like IP cameras, wireless access points, and VoIP phones.
Power Adapter Savings: POE adapters combine power and data transmission into a single Ethernet cable, eliminating the need for multiple cables.
Common Applications:
IP Cameras: POE eliminates the need for separate power cables for each camera.
Wireless Access Points (APs): APs receive both power and data via POE technology, simplifying installation.
Network Switches: POE-enabled switches can power multiple devices simultaneously.
As a professional manufacturer and wholesaler of charging adapters, Macable offers a wide range of POE charger adapters that comply with international certification standards to meet the needs of global consumers. We are committed to providing efficient, safe, and environmentally-friendly charging solutions, offering users a smarter and more convenient charging experience.