Security IP camera
Shenzhen Uin Tech Ltd

Anpviz Security

Shenzhen China

Power Over Ethernet – What Are My Options?

At Anpviz, we love to help customers make educated choices about the products they purchase. There’s a surveillance system for everyone, but understanding the many advertised features can help you make your personal best decision and get your money’s worth. Today our focus is on PoE.
With the advent of Ethernet-connected devices, “PoE” is becoming a commonly used term that you may see on many product descriptions. But what exactly does PoE mean when applied to a surveillance system or product? And what factors should you consider?
First of all, “PoE” stands for “Power over Ethernet.” From the positive way the term is used, even less tech-savvy consumers might be able to gather that it means the product is easier to set up and use than traditional systems.   (And that is definitely true, but it is more of an effect rather than a definition of the feature.) When it comes to surveillance systems, a PoE-equipped system is one in which a camera is able to simultaneously draw power and exchange data by connecting to the NVR through a single cable. This is both easy to install and easy on the environment. All of Anpviz’s IP systems have this capability.
However, not all PoE systems are the same. Some NVRs, such as the Anpviz 4-Channel, 8-Channel, and 16-Channel NVRs have a full set of PoE ports for all channels. We’ll call these “Full PoE” systems. For these NVRs, you can use the maximum quantity of cameras that the NVR can support and connect each one through a single Ethernet cable for both power and data. You won’t need any external switches. For many home and small business owners for whom 16 cameras or less are all that is needed, these “Full PoE” systems are a great, simple option.


Anpviz recently added a new NVR to its roster of products, the 32-Channel NVR, which we’ll call a “Half PoE” system. This NVR will increase your maximum quantity of cameras to 32; however, the number of PoE ports on the NVR itself is the same as the 16-Channel NVR. That means, you can control and view up to 32 cameras from your NVR, but only the first 16 cameras can be connected via Ethernet cable to a corresponding PoE port on the NVR. If you wanted to install cameras beyond 16, you would need to connect them to an external PoE switch. As long as that switch is connected to the same router as your NVR, you can still control and view the latter portion of your cameras from your NVR. For a customer in need of a larger quantity of security cameras (or who foresees a need to expand in the future), this “Half PoE” system is a good choice because the NVR can accommodate up to 32 cameras with PoE ports for the first 16. A customer could first install 16 cameras using the built-in PoE ports and then purchase an external PoE switch later on if he/she needed to expand the camera setup.

As a surveillance system customer browsing different sites, you may have come across a variety of terms related to PoE — “PoE-compatible” or “PoE+” or some other description created to imply the Power over Ethernet feature. Please be careful and always do your research by looking at the actual spec sheet of the product and asking questions. PoE terms and definitions can be quite flexible across the board, and it’s always a good idea to ask a sales rep to clarify the way their product works.
We hope this information has been helpful to you, and please let us know if you have any questions about PoE or suggestions for future topics you’d like to know more about, by emailing us at