The Different Types of Power over Ethernet

_The Different Types of Power over Ethernet]

Introduction to Power over Ethernet

Power over Ethernet, or PoE, is a technology that allows network cables to deliver both power and data to devices. This is useful for devices that require power but are not near a power outlet, such as IP cameras or WiFi access points. 

There are three main types of PoE: active, passive, and 802.3af/at (also known as PoE+).

Active PoE uses an active injector to deliver power to the device. The injector has a power supply and regulates the voltage and current going to the device. Active PoE is used for devices that require more than 12 watts of power.

Passive PoE uses the existing twisted pair wires in the Ethernet cable to deliver power to the device. The voltage and current are not regulated, so this type of PoE should only be used for low-power devices that do not require more than 12 watts.

802.3af/at (PoE+) is an enhanced version of passive PoE that can deliver up to 30 watts of power. It is also backward compatible with older versions of passive PoE.

Types of Power over Ethernet

Power over Ethernet (PoE) technology is used to provide power and data over a single Ethernet cable. There are three main types of PoE:

1. Standard PoE: This type provides up to 15.4 watts of power and is the most common type. It is typically used for devices such as IP phones and WiFi access points.

2. High-Power PoE: This type of PoE provides up to 30 watts of power and is typically used for devices such as CCTV cameras and PAN/TILT heads.

3. Ultra Power PoE: This type of PoE provides up to 60 watts and is typically used for devices such as LED lights and Wireless Access Points (WAPs).

Power over Ethernet switches

Power over Ethernet switches offers a convenient way to provide power and data connectivity to devices in a network. They are available in a variety of configurations to suit different applications.

The most common types of poe switch are the inline switch. This switch is typically used in networks where data and power are both required for devices. Inline switches provide power and data connectivity by connecting the Ethernet cable and the device.

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Another type of Power over Ethernet switch is the endspan switch. Endspan switches are typically used in networks where only data connectivity is required for devices. Endspan switches provide power by connecting to an AC outlet or a DC power source.

Their number of ports can also classify power over Ethernet switches. The most common types are 8-port and 16-port switches. 8-port switches are typically used in small networks, while 16-port switches are used in more extensive networks.

Conclusion

Powers over Ethernet is a great way to provide power to devices that require it, but there are a few different types of PoE. 

Each type has its benefits and drawbacks, so it’s essential to choose the right one for your needs. We hope this article has helped you understand the different types of PoE and which one might be best for your application.

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