INJ-C200G-PASS-T
Industrial Gigabit Passive PoE Injector; EOT: -40°C ~ 75°C

Power over Ethernet (PoE) injectors are essential devices used to supply electrical power to network PoE devices over an Ethernet cable. While Ethernet cables are traditionally used for data transmission, the introduction of PoE technology allows them to also carry power to compatible network devices. This dual functionality significantly simplifies network infrastructure by combining power and data into a single cable, reducing the need for separate power supplies.
A PoE injector is a standalone device that connects to a power source, such as a wall outlet, and an Ethernet switch or router. The PoE injector injects power into the Ethernet cable, allowing it to simultaneously transmit data and provide electrical power to a connected PoE-enabled device. For installations requiring simplicity and efficiency, a single-port PoE injector is often used to combine both power and data onto a single RJ45 Ethernet cable, effectively acting as a PoE adapter. PoE injectors often feature a sturdy metal enclosure for durability and protection, making them suitable for various environments.
The main purpose of PoE injectors is to simplify the installation and deployment of network devices, particularly in scenarios where providing separate power sources for each device may be difficult or inconvenient. By eliminating the need for additional power cables and outlets, PoE reduces the complexity and cost of installation. PoE injectors typically adhere to the IEEE 802.3af, 802.3at, and 802.3bt standards, which define the specifications for delivering power over Ethernet. These standards specify the maximum PoE power budget that can be delivered, with IEEE 802.3af supporting up to 15.4 watts per port, 802.3at (also known as PoE+) supporting up to 30 watts per port, and 802.3bt (PoE++) supporting up to 90 watts per port.
Common applications of PoE injectors include powering IP phones, wireless access points, IP cameras, network switches, and other network PoE devices. These injectors are crucial for network setups where traditional power outlets are unavailable or impractical. It's important to ensure that the devices being powered are compatible with PoE, as not all network devices support this technology by default. Understanding how a PoE injector works can greatly benefit anyone looking to streamline their network infrastructure and maximize efficiency.

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