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Desktop PoE injectors are devices that provide Power over Ethernet (PoE) compliant power to network devices such as wireless access points, IP cameras, and VoIP phones. Instead of using separate power adapters for each device, a PoE injector can deliver power and data over an Ethernet cable, simplifying installation and reducing cable clutter.
Types of Desktop PoE Injectors:
Passive PoE: The basic type of PoE injector, which supplies a fixed amount of power over the Ethernet cable. It is the simplest and most affordable option but does not offer power management or overload protection features.
Standard Compliant PoE: These PoE injectors adhere to IEEE 802.3at or 802.3af standards, which allow for power negotiation between the injector and the device. This ensures optimal power consumption and device protection.
PoE+ (PoE Plus): The PoE+ standard offers higher power output (up to 30W) than standard PoE (up to 15W), enabling power for more demanding devices like PTZ IP cameras.
Gigabit PoE: These PoE injectors allow for Gigabit data transmission (1 Gb/s) in addition to power, making them ideal for high-bandwidth network devices.
Choosing a Desktop PoE Injector:
Power: Select an injector with sufficient power for the devices you need to power.
PoE Standard: Ensure the chosen injector complies with the PoE standard supported by your devices.
Number of Ports: Choose an injector with the appropriate number of PoE ports for the number of devices you want to connect.
Features: Some PoE injectors offer additional features like power management, overload protection, and port prioritization.
