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Single-port Gigabit PoE midspan/injector delivers DC power over RJ-45 for PoE network appliances, helping simplify installs and keep compatible devices powered.Supports IEEE 802.3af/at PoE via Mode B (pins 4/5 and 7/8) for reliable power delivery to compatible devices such as wireless APs, IP phones and IP cameras.Redundant power input with terminal block helps maintain network availability and supports UPS connection for added power backup in critical installations.10/100/1000 Base-T Gigabit Ethernet support fits modern network setups, while the reset function adds convenient device management for IT maintenance.Compact single-port PoE injector is built for industrial and business use cases where stable PoE power, redundancy and easy deployment matter.Gigabit PoE InjectorThe APOE03GR is a single-port Gigabit redundant PoE injector for supplying DC power to compatible PoE network devices over an RJ-45 connection. It supports 10/100/1000 Base-T Ethernet and IEEE 802.3af/at PoE using Mode B, with power carried on pins 4/5 and 7/8. This allows the injector to power compatible equipment such as wireless access points, IP phones, and IP surveillance cameras through the network cable. The input accepts 5-57 V DC, with 48 V DC as the nominal voltage, while the output voltage follows the input. Maximum input and output current are both 1.7 A. A terminal block connection can be used with a UPS, adding a redundant power source if the primary supply is interrupted.For installation, the APOE03GR uses a DC power plug measuring 2.1/5.5 mm with a length of 12 ± 0.5 mm and positive polarity inside with negative polarity outside. The injector operates from -35 to 60 °C and can be stored from -45 to 70 °C, while supported operating humidity is 10-90% non-condensing. Its enclosure is made from black ABS with a textured finish and measures 67 × 67 × 24 mm. The 40 g weight keeps the unit compact and lightweight for placement alongside compatible network equipment. These electrical, environmental, and mechanical characteristics define the installation parameters for using the injector in Gigabit Ethernet PoE deployments that require network connectivity and the option of UPS-backed power redundancy.