POE-4X48I

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Power over Ethernet (PoE) is a technology that enables power to be transmitted over a network cable to a device, making it possible to run electronic devices without the need for a separate power supply. POE-4X48I is a standard PoE switch developed by Ubiquiti Networks that uses gigabit interfaces to deliver feature-rich, cost-effective Ethernet connectivity to network admins and businesses. This article will discuss the application field and working principle of POE-4X48I.

Application Field

The POE-4X48I is designed for several application fields, such as Enterprise LAN, SMB networks, hotels, campuses, parks, and municipal WiFi access points. It can be used in any environment that needs to extend the range or provide additional power to a device. The device is also capable of powering multiple devices at one time, removing the need to purchase separate power supplies for each device.

The POE-4X48I is capable of delivering power to Wi-Fi access points, IP telephones, certain types of consumer electronics, and even Video Surveillance cameras. With the ability to power up to four devices simultaneously, the POE-4X48I is highly cost-effective and can help reduce the need for running additional power cables.

Working Principle

The POE-4X48I follows the 802.3af/at PoE standard, which is a popular method for providing power over Ethernet networks. The device works by using each of the four Ethernet ports as both inputs and outputs. If a device connected to one of the Ethernet ports requires power, the POE-4X48I is able to detect this and automatically deliver power to the device.

The device works by sending power over two of the four wires that make up the Ethernet cable. The signal for power transmission is split into two different parts, the “Power” and “Data” parts. The “Power” part sends power to the device, while the “Data” part sends data from the connected device to the POE-4X48I. This method makes it possible to power up to four devices simultaneously without negatively affecting the speed or reliability of the network.

In addition to providing power to devices connected to it, the POE-4X48I also features advanced network security and management functions. The device offers VLAN support, Access Control Lists, Quality of Service (QoS) settings, and web-based control panel access. All of these features make it simple for network admins to configure their devices and ensure that the network is secure and running smoothly.

Conclusion

The POE-4X48I is a device developed by Ubiquiti Networks that delivers reliable power over Ethernet connectivity to network admins. It offers advanced network security and management functions and is capable of powering up to four devices simultaneously. With its broad range of applications, the POE-4X48I can be used in many different environments, making it a great choice for businesses looking to reduce costs while still achieving reliable network performance.

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