Ethernet POE Pinout
소개
Ethernet Power over Ethernet (POE) is a technology that enables the transmission of both data and power over a single Ethernet cable. It simplifies the installation process and reduces the need for additional power cables. In this article, we will discuss the pinout of Ethernet POE and its benefits.
Pinout Diagram
Below is the pinout diagram for Ethernet POE:
1. Ethernet Data Pins (RJ-45)
– Pin 1: Transmit Data +
– Pin 2: Transmit Data –
– Pin 3: Receive Data +
– Pin 4: Unused
– Pin 5: Unused
– Pin 6: Receive Data –
– Pin 7: Unused
– Pin 8: Unused
2. Power Pins (RJ-45)
– Pin 1: Power over Ethernet +
– Pin 2: Power over Ethernet +
– Pin 3: Unused
– Pin 4: Unused
– Pin 5: Unused
– Pin 6: Unused
– Pin 7: Power over Ethernet –
– Pin 8: Power over Ethernet –
Explanation
1. Ethernet Data Pins: These pins are used for transmitting and receiving data between devices connected via Ethernet. Pins 1 and 2 are for transmitting data, while pins 3 and 6 are for receiving data. Pins 4, 5, 7, and 8 are left unused in Ethernet POE.
2. Power Pins: Ethernet POE utilizes pins 1, 2, 7, and 8 for delivering power over Ethernet cables. The positive (+) and negative (-) power connections are split between these four pins. This allows devices to receive power without requiring an additional power source. The power transmitted over these pins depends on the specific POE standard being used, such as POE or POE+.
Benefits of Ethernet POE
1. Simplified Installation: With Ethernet POE, there is no need to run separate power cables to devices, saving time and effort during installation. This is particularly beneficial in remote or hard-to-reach locations where access to power outlets may be limited.
2. Cost-effective: By combining data and power transmission over a single cable, Ethernet POE eliminates the need for additional power supplies and reduces overall infrastructure costs.
3. Flexibility: Ethernet POE allows for easy relocation and reconfiguration of devices without the need to consider proximity to power outlets. This flexibility makes it ideal for environments where the layout may change frequently or where devices need to be moved frequently.
4. Centralized Power Management: Ethernet POE enables centralized power management, allowing network administrators to monitor and control the power consumption of individual devices. This can lead to improved energy efficiency and cost savings.
결론
Ethernet POE offers a convenient and efficient solution for powering and transmitting data to devices over a single Ethernet cable. With its simplified installation process, cost-effectiveness, flexibility, and centralized power management capabilities, Ethernet POE is becoming increasingly popular in various industries. By understanding the pinout and benefits of Ethernet POE, you can make informed decisions when implementing this technology in your network infrastructure.
