What is Q-PoE?

What is Quick-PoE technology?

Introduction

Power-over-Ethernet (PoE) technology allows network devices to receive power through the same cable that is used for data communication. This can be useful in situations where there is no convenient electrical outlet nearby or where it is difficult or expensive to run electrical power to a device. 

The need for Quick-PoE technology arises from the fact that traditional PoE networks have certain limitations in terms of the speed at which power is supplied to devices. In traditional PoE networks, power is supplied to devices only after the switch system software has fully initialized and enabled PoE functionality. This can lead to delays in powering on devices, which can be problematic in certain situations where devices need to be powered on quickly.

For example, in security or surveillance systems, it's important for cameras and other devices to be powered on and operational as soon as possible. In these systems, even a few seconds of delay can be critical, as it can result in missed footage or other important information. Similarly, in industrial settings, delays in powering devices can result in decreased productivity and efficiency.

Quick-PoE technology addresses these limitations by allowing a PoE switch to supply power to connected devices immediately upon switch startup, without waiting for the switch's system software to fully initialize and enable PoE functionality. This allows devices to be powered on more quickly, which can be important in situations where devices need to be available as soon as possible. Additionally, it also improves overall network uptime by providing power to devices before switch software is fully initialized.

How Quick-PoE technology works

Quick-PoE technology works by providing power to connected devices through a separate power supply circuit that is independent of the switch's main power supply. This allows the switch to supply power to connected devices immediately upon switch startup, without waiting for the switch's system software to fully initialize and enable PoE functionality.

When a switch is powered on, the separate power supply circuit begins supplying power to the connected devices right away. At the same time, the switch's system software initializes and enables PoE functionality. Once the switch's system software is fully initialized, it takes over the power supply to the connected devices, and the separate power supply circuit is no longer used.

The separate power supply circuit is designed to provide a sufficient amount of power to the connected devices to keep them running while the switch's system software initializes. This ensures that the connected devices are fully powered and operational as soon as possible, even before the switch's system software is fully initialized.

It's important to note that Quick-PoE technology only applies to PoE-powered devices, meaning that it won't affect non-PoE devices connected to the switch. Additionally, all connected PoE devices should support the Quick-PoE feature in order to take advantage of it. I will explain this in detail later.

Advantages of Quick-PoE technology

Quick-PoE technology offers several advantages over traditional PoE networks. Here are some of the main advantages of Quick-PoE technology:

  1. Faster device power-up time: One of the main advantages of Quick-PoE technology is that it allows devices to be powered on more quickly. With traditional PoE networks, devices can only be powered on after the switch system software has fully initialized and enabled PoE functionality. With Quick-PoE, power is supplied to devices immediately upon switch startup, which allows devices to be powered on more quickly. This can be especially beneficial in situations where devices need to be available as soon as possible, such as in security or surveillance systems.

  2. Improved network uptime: Quick-PoE technology also improves overall network uptime by providing power to devices before switch software is fully initialized. This can help to ensure that devices are fully powered and operational as soon as possible, which can help to minimize the impact of any potential switch software issues on network uptime.

  3. Simplified network design and deployment: Another advantage of Quick-PoE technology is that it simplifies network design and deployment. With traditional PoE networks, network administrators need to ensure that enough power is available to power all devices on the network. With Quick-PoE technology, the separate power supply circuit provides a sufficient amount of power to the connected devices, which eliminates the need to consider power availability when designing and deploying the network.

How to take advantage of Quick-PoE technology

Quick-PoE technology is an advanced feature, therefore not all devices support it. In order to take advantage of Quick-PoE technology, devices must be specifically designed and built to support it. This means that devices that do not support Quick-PoE will not be able to be powered on immediately upon switch startup.

It's important to check the specifications of the device before purchasing it to ensure that it supports Quick-PoE. Many manufacturers of PoE-enabled devices, such as cameras, phones, and access points, will mention in their product specifications whether their devices support Quick-PoE or not.

Additionally, it's important to note that all connected PoE devices should support the Quick-PoE feature in order to take advantage of it. If only some of the devices on the network support Quick-PoE, the network will still function as a traditional PoE network, and devices that do not support Quick-PoE will not be able to be powered on immediately upon switch startup.

To take advantage of Quick-PoE technology, devices must be specifically designed and built to support it. It's important to check the specifications of the device before purchasing. 

Final thoughts on the future of Quick-PoE technology

Quick-PoE technology is a relatively new technology that addresses some of the limitations of traditional PoE networks. The ability to provide power to devices immediately upon switch startup, without waiting for the switch's system software to fully initialize and enable PoE functionality, can be especially beneficial in situations where devices need to be available as soon as possible.

As more and more devices are being designed to support Quick-PoE technology, it is expected that the adoption of Quick-PoE technology will continue to grow in the future. It's expected that Quick-PoE technology will become increasingly popular in industries such as security and surveillance, industrial automation, and other applications that require fast device power-up times and improved network uptime.

Additionally, as the demand for PoE continues to grow, it's also expected that the industry will continue to develop new standards and technologies that will further improve the performance and capabilities of PoE networks. This will allow for even more power-hungry devices to be powered over Ethernet and further increase the adoption of Quick-PoE technology.

In summary, Quick-PoE technology is a valuable feature for PoE networks that aims to improve performance and efficiency by providing power to devices more quickly and efficiently. It's useful in situations where devices need to be powered on quickly, such as in security or surveillance systems. It's an advanced feature that allows faster device power-up time, and overall more efficient network power management.




    • Related Articles

    • What is Perpetual PoE technology?

      Perpetual PoE is a technology that allows devices to receive power from the network even when the PSE switch is rebooting. Currently, rebooting the switch causes a temporary loss of power on the ports, which leads to a complete reboot of all ...
    • PoE overview-From knowing nothing to knowing something

      Clueless about PoE? Even though they tell you it's shorthand for power over ethernet. I get it. You probably want a panoramic view, a deep understanding of it. Hi, I’m Frank. I like to speak frankly. After reading all those blogs trying to feed you ...
    • MoCA, DECA and PoE over coax, how to choose?

      I'm guessing you all clicked into this article because your house is wired all over with coax, but your devices only support the RJ45 Ethernet ports. Powerline Ethernet stopped working reliably, and Wi-Fi still sucks. In order to get hard-wired ...
    • What is PoE over Coax?

      PoE over coax? What is PoE first? Power over Ethernet (PoE) enables Ethernet cables like Cat 5e/Cat 6 to transmit electric power and data signal at the same time, meaning plug in an Ethernet cable, and no other power cable is needed. So PoE over coax ...
    • Why does PoE use 48V?

      First, 48V is just symbolic. In reality, the actual voltage range might not even include 48 volts.  By nature, PoE is DC power. And historically, DC power source equals batteries.  A typical lead-acid battery has a nominal voltage of "12V", but they ...