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What Is PoE And Why Do You Need It?

by janeausten
What Is PoE And Why Do You Need It?

Power over Ethernet, or PoE, is a type of technology that allows you to power devices using an Ethernet cable. This is opposed to the traditional method of powering devices, which is through a power outlet. There are many benefits to using PoE, and it’s increasingly becoming a popular choice for both home and business settings. In this blog post, we’ll explore what PoE is and some of the benefits of using it.

What is PoE?

PoE is an acronym for Power over Ethernet. It is a technology that allows electrical power to be transmitted over Ethernet cables. PoE was originally developed to power devices such as security cameras and VoIP phones, which are often located in places where it is difficult or expensive to run power cables. However, PoE can be used to power any device that uses an Ethernet connection, including laptops, computers, and game consoles.

PoE works by sending electrical power through the unused pairs of wires in an Ethernet cable. The amount of power that can be sent depends on the type of Ethernet cable being used. For example, Cat 5 cables can carry up to 15 watts of power, while Cat 6 cables can carry up to 30 watts.

There are two main types of PoE: active PoE and passive PoE. Active PoE requires special equipment at both ends of the Ethernet cable in order to work. Passive PoE does not require any special equipment and can be used with any standard Ethernet cable. Active PoE is more expensive than passive PoE but offers some advantages, such as the ability to send more power over longer distances.

If you’re looking to add PoE capabilities to your home or office network, there are a few things you need to keep in mind. First, you’ll need to decide whether you want to use active or passive PoE. Second, you’ll need to make sure your router and switch support

How does PoE work?

PoE works by supplying power over an Ethernet cable to network devices that require it. The most common devices that use PoE are IP cameras, VoIP phones, and wireless access points. Power is supplied through the Ethernet cable by either using a Power over Ethernet Injector (PoE-i) or a Power over Ethernet Switch (PoE-s).

A PoE-i is used to supply power to one device at a time, while a PoE-s can supply power to multiple devices. If you have multiple devices that require PoE, then you will need a PoE-s. A PoE-s will also allow you to daisy chain multiple devices together, which can be useful if you have a lot of devices or if your devices are spread out.

The main advantage of using PoE is that it simplifies the installation of network equipment. Instead of having to run both power and Ethernet cables to each device, you only need to run an Ethernet cable. This can save time and money, especially in difficult or hard to reach places.

What are the different types of PoE devices?

In Power over Ethernet (PoE) terminology, devices are either endpoints or midspans. Endpoints are devices that receive power, while midspans are devices that deliver power. Midspans can also be referred to as PoE injectors.

Endpoints can be either powered devices (PDs) or powered interfaces (PIs). PDs use PoE to receive power and do not require an external power source. PIs use PoE to receive both data and power from a single cable.

Midspans, on the other hand, are used to provide power to endpoints. They typically connect between a network switch and an endpoint. There are two types of midspans: inline and standalone. Inline midspans are integrated into network switches, while standalone midspans are stand-alone devices that can be used with any switch.

Conclusion

If you’re looking for a reliable and affordable way to power your devices, PoE may be the right option for you. Not only is it more cost-effective than traditional methods of powering devices, but it’s also more efficient and easier to install. Whether you’re looking to power a small number of devices or an entire network, PoE can provide the power you need without breaking the bank. So if you’re in the market for a new power solution, be sure to check out PoE.

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