To power a device with PoE, you need a PoE-enabled switch and a device that supports PoE.
Here's how it works:
- PoE switch: This type of switch sends both data and power over the same Ethernet cable.
- PoE-supported device: This device is designed to receive power through the Ethernet cable.
The PoE switch provides power to the device through the Ethernet cable, eliminating the need for a separate power adapter. This simplifies setup and reduces clutter.
Types of PoE:
There are two main types of PoE:
- Passive PoE: This type of PoE uses a simple voltage divider to provide power. It's typically used with older devices.
- Active PoE: This type of PoE uses a more sophisticated system to provide power, and it's more efficient and reliable. It's commonly used with newer devices.
Advantages of PoE:
- Simplified setup: No need for separate power adapters.
- Reduced clutter: Fewer wires and cables.
- Increased flexibility: Devices can be placed further away from power outlets.
- Improved reliability: Power is delivered through the same cable as data.
Example:
Imagine you have a wireless access point (WAP) that you want to install in your office. Instead of running a separate power cable to the WAP, you can use a PoE switch. The PoE switch will provide power to the WAP through the Ethernet cable, simplifying the installation process.
Conclusion:
Powering a device with PoE is a simple and efficient way to provide power to network devices. By using a PoE-enabled switch and a PoE-supported device, you can enjoy the benefits of reduced clutter, simplified setup, and improved reliability.