The Ultimate Guide to 24V PoE Injector Solutions

A PoE injector is often needed to connect a PoE device to a network. It is a useful device, but before you buy, you should know a few things about PoE injectors to make the right choice.

In this article, we will explain what a 24V PoE injector is and its uses and benefits. We will also explain the difference between 12V, 24V, and 48V PoE injectors to give you a better idea.

Basics of 24V PoE Injector

Explanation of PoE Technology

PoE stands for Power over Ethernet. It is a technology that transmits data and power through the same Ethernet cable.

With that being said, you only need an Ethernet cable for your device, which makes the installation of devices a lot easier.

It is a reliable option to connect devices compared to Wi-Fi. The best part is that it does not require a special Ethernet cable; the same can be used.

What is a 24V PoE Injector?

A PoE-enabled device requires a PoE network switch work.

But often, people have old non-PoE switches in their network. They could either upgrade to a PoE switch or use a PoE injector to connect the PoE device to the non-PoE switch. It is a cost-effective option.

A 24V PoE injector is also used for the same purpose. It helps in transferring the data and power through the same ethernet cable.

If the device requires 24V power input, you can use a 24V PoE injector; any other voltage could damage the device.

Benefits of Using 24V PoE Injector

• A 24V PoE injector is a passive injector, providing a certain voltage without any voltage negotiations with the PoE devices. Therefore, it is a simpler and cheaper device than a 48V PoE injector.
• It is quite easy to make them, which is why they are readily available. Buying a 24V PoE injector is quite easy.
• These PoE injectors also save power. They consume less power and offer incredible performance to the compatible device.
• For short distances, these PoE injectors are suitable. They can efficiently transmit power and data by consuming minimal energy.
• It is an excellent option for the old/existing network systems. Without upgrading the system, it transmits power through the Ethernet.

Using Cases of 24V PoE Injector

A 24V PoE injector is used for a wide range of purposes. Any device that requires 24V as input PoE could be the perfect option.

• The most common use is IP cameras. The PoE IP cameras can be connected to the existing or old non-PoE switching by using a 24V PoE injector. It makes the connection of devices a lot easier.
• It is also used for wireless access points; some brands like Ubiquiti use them.
• Sensors and networking equipment that are designed on 24V require a 24V PoE injector. It is specially used in solar and renewable energy systems and off-grid networks.
• Some old VoIP phones require a 24V PoE injector to work.
• Smart automation systems that are designed on 24V require a 24V PoE injector for data and power transfer.

12V vs 24V vs 48V PoE Injector: What's the Difference?

To make the right decision, you should understand the difference between these PoE injectors. They are all different in compatibility, usage, benefits, disadvantages, etc.

A 12V PoE injector delivers a 12V input to the connected device. It is often used in old networks and devices. It is not commonly used these days because of the low voltage, which cannot support long-distance networking. You should only go with this one if your device specifically requires 12V PoE.

24V PoE injectors are more common than the 12V injectors. These are used for IP cameras, network devices, access points, and various other purposes. There is a wide range of devices that are compatible with it. It can transmit data and power up to 100m, which is way more than the 12V injector.

Most 24V PoE injectors are passive, which means these do not do voltage negotiation with the connected device. They provide a fixed voltage, so you have to choose the PoE device accordingly. Moreover, they are not the PoE standards. You can only use them for specific applications.

The 48V PoE injector is the standard PoE injector. It is an active injector and does voltage negotiations with the connected device. It means it delivers voltage according to the device and does not harm it. It is used in wide applications and is a preferred option.

Modern devices are compatible with this PoE injector. It facilitates data and power transfer up to 100m. However, you can daisy chain multiple injectors to increase the distance.

Bonus: PoE Security Camera Recommendation

Dual-lens high resolution PoE camera - Reolink Duo 3 PoE

Duo 3 is a PoE camera with a dual-lens and 7680x2160 (16MP) resolution. It gives incredibly clear images and offers a wide field of view of 180 degrees. It can cover a massive area and give more details in a single frame.

The camera is perfect for vast outdoor areas. It tracks the motion of the objects and sends instant alerts to devices. It is also equipped with sirens and flashlights to scare intruders. It is equipped with two-way audio, motion tracking, color night vision, accurate alerts, etc.

Color night vision PoE camera - Reolink CX410

This camera is equipped with Reolink's state-of-the-art technology, ColorX. It brings true colors to the videos captured at night and in low light conditions. Its extra-large aperture is more sensitive to light, which means it can work efficiently 24/7.

It is a 2K PoE camera with smart detection. It detects persons, pets, and vehicles and sends alerts on your devices. Its dual warning system uses the siren and spotlights for intruders. It can also facilitate communication through two-way audio.

FAQs

1. Does voltage matter with a PoE injector?

Yes, voltage does matter with a PoE injector. If you end up using the wrong injector in the network, it could damage the PoE device. Make sure to check the voltage compatibility before buying a PoE injector.

2. What is the range of 24V PoE?

The range of a 24V PoE passive injector can be up to 100 meters, but in most cases, it is limited to 50-80 meters for better performance.

3. Can I use a 24V PoE for a 12V camera?

No, you cannot connect a 12V camera to a 24V PoE injector. The high voltage will damage the device. These passive PoE injectors do not do voltage negotiations, so the PoE device will be affected as you connect it.

Conclusion

A 24V PoE injector can be extremely helpful in integrating new PoE devices with the existing/old non-PoE switch. It saves cost and works without updating the system and network devices. We have discussed the benefits of a 24V PoE injector and where you can use it. We have also compared 12V, 24V, and 48V PoE injectors so that you can select the right one without any hassle.