PoE power supplies

Desktop PoE supplies

Desktop PoE supplies

Power over Ethernet (PoE) injectors are devices that supply electrical power to network devices such as IP cameras, Wi-Fi access points, and VoIP phones using an Ethernet cable. This eliminates the need for separate power supplies, which can save time and money, and simplify network installation and management.

Types of PoE Injectors

  • Passive PoE injectors: These injectors supply a fixed amount of power (typically 15W or 24W) over the Ethernet cable. Devices must be PoE compliant to work with them.

  • Active PoE injectors: These injectors can detect the type of device connected and supply it with the appropriate amount of power (up to 30W or more). They also support multiple PoE standards, making them more versatile.

Benefits of PoE Injectors

  • Easy installation: PoE injectors eliminate the need for separate power supplies and power cords, making installation faster and easier.

  • Low cost: PoE injectors can be more cost-effective than separate power supplies, especially for multi-device installations.

  • Higher reliability: PoE injectors are powered from redundant power sources, which provides for higher reliability than separate power supplies.

  • Better network management: PoE injectors can be centrally managed using network management software, making it easier to monitor and troubleshoot problems.

Applications of PoE Injectors

  • Surveillance: IP cameras

  • Wireless networks: Wi-Fi access points

  • VoIP telephony: VoIP phones

  • Access control: Card readers

  • Other network devices: Printers, network terminals

Factors to Consider When Choosing a PoE Injector

  • Device type: Make sure you choose a PoE injector that is compatible with the type of device you are connecting.

  • Power: Choose a PoE injector with the right amount of power for your needs.

  • PoE standard: Make sure you choose a PoE injector that is compliant with the PoE standard supported by your devices.

  • Features: Some PoE injectors offer additional features, such as PoE+ (up to 30W of power) or network management.