D-Link DGS-1530-52P Switch

D-Link 52-Port Gigabit Smart Managed Stackable PoE+ Switch with 48 PoE+ 1000Base-T and 4 SFP+ Ports. PoE budget 370W (740W with DPS-700). Features 48 Ports Gigabit PoE for downlink 4 Ports 10G SFP+ for uplink PoE IEEE802.3af/at options, power budget 370 W 6kV surge protection on all Gigabit Ethernet ports Physical stacking up to 9 switches ZTP (Zero-Touch Provisioning) Ethernet Ring Protection Switching (ERPS) IEEE 802.1ag for Connectivity Fault Management ITU-T Y.1731 for Delay Measurement Massages Manage through the Nuclias Network Controller Specifications Interfaces: 48 × 1GE PoE, 4 × 10G SFP+ Switching Capacity: 176 Gbps Max. Packet Forwarding Rate: 130.95 Mpps Max Power Consumption: 482 W (PoE on), 59.2 W (PoE off) Dimensions: 440 × 250 × 44 mm Weight: 4.35 kg Surge Protection: All Ethernet RJ-45 ports support IEC61000-4-5 6 kV surge protection Fan: 3 × Smart fans Operating Temperature: -5 to 50°C (23 to 122°F) Storage Temperature: -20°C to 70°C (-4°F to 158°F) Operating Humidity: 0% to 95% non-condensing Storage Humidity: 0% to 95% non-condensing Console Port: RJ-45 console port Power Supply Type: Internal