PD Alive(PoE Watchdog); Layer: Layer 2; Managed: No; Switching Capacity: 7.2 Gbps; PoE: Yes; Ethernet Port: 16; Optical Port: 2; Ethernet Port Rate: 100 Mbps; Optical Port Rate: 1 Gbps; Number of Bussiness Card Slots: Port 1–16: 16 × RJ45 10/100 Mbps Port 17–18: 2 × RJ45 10/100/1000 Mbps (uplink) Port 17–18: 2 × SFP 1000 Mbps (uplink) (combo); Power Supply: 100V AC–240V AC; Operating Humidity: 10%–90%; Storage Humidity: 5%–95%; PoE Budget: Port 1–2≤60W, Port 3–16≤30W, total≤135W; PoE Pin Assignment: PoE/Hi-PoE: 1, 2, 4, 5 (V+), 3, 6, 7, 8 (V-); Long Distance PoE Transmission: Yes; VLAN: Port Isolation; QoS: Yesen