D-Link DPS-520 Power Supply

180W PoE Redundant Power Supply Specifications: Hardware Version A1 Interfaces: 4 x 10/100/1000BASE-T PoE ports, 1 x 10/100/1000BASE-T MGMT port Dimensions: 196 x 257 x 52 mm Panel size: 196 x 52 mm Weight: 1.51 kg Power Budget: 90 W per port, 180 W total power budget Input Voltage Range: 90 to 264 V AC Input Frequency: 47 to 63 Hz Operating Temperature: 0 to 50 °C Storage Temperature: -45 to 85 °C Operating Humidity: 10 to 90% RH Storage Humidity: 10 to 95% RH MTBF: 53,858 hours Features Cost-effective solution that supports up to four switches Provide backup power for the switch’s built-in power supply Over-current protection LED status indicators Automatically discover connected PD devices and immediately deliver power Give network administrators the power to define failover policies with RPS port priority Stay informed and monitor your devices with the status reporting through a web GUI on any Internet browser Can be installed as a stand-alone power supply unit or mounted in a 19-inch multi-slot chassis Connect to the RPS with a standard CAT-5e cable Up to 100 m connection distance