Smart-Managed. Connections: 48x RJ45, 2x SFP. Number of PoE Ports: 48, PoE Standard: 802.3af/at PoE 30 Watt, PoE Budget: 375 W. Mounting: 19' Rack. 48x PoE with a 375 W PoE budget. Instant real-time status check via cloud and PoE power consumption LEDs. The Zyxel GS1920v2 series continues the success of the best-selling Zyxel GS1920 series with a sleek new look (Carbon) and enables cloud management with Zyxel NebulaFlexTM technology. Designed for long-lasting use. The Zyxel GS1920v2 series is ideally suited for deployment in SMEs across various scenarios. Its unique combination of ports future-proofs your network, allowing for seamless growth tomorrow. Power over Ethernet (PoE). With Power over Ethernet, you can power compatible devices through the network cable. This significantly reduces cabling effort for end devices such as wireless access points, IP phones, and IP cameras, while providing high flexibility in device placement. 802.3at PoE. The IEEE 802.3at standard provides a maximum of 25.4 watts of power per PoE port with a voltage of up to 50 volts. The standard assumes that after line losses, 21.90 watts of usable power remain or may be drawn to avoid exceeding the maximum power output. For PoE, a Cat5e/6 cable with a maximum length of 100 m is recommended.