ETHERNET KYTKIN FINNSAT 8GE(POE)+2SFP DIN

8 Gigabit Ports with 8 PoE, 2Combo SFP Fiber Uplink Buffer reaches 4Mbit, Support 4K high-definition video transmission Port 1-2 Support 24V/48V PoE auto detect, Port 3-4 Support 802.3BT 60W Supports smart watchdog function to monitor compliant PD Support fast ring, support 30 pcs switches Max. in a cascade system, Self-healing in 20ms Min Industrial Level 4 Protection (ESD,RS,EFT,CS) -40℃～80℃ working temperature IEEE802.3af (15.4W) and IEEE802.3at (30W) DC Input 37-57V