4GE+2SFP Fiber Uplink Industrial PoE Switch with 4Port PoE

Features:

• 4GE+2SFP Fiber Uplink Industrial PoE Switch with 4Port PoE
• Buffer reaches 4Mbit, Support 4K high-definition video transmission
• Supports smart watchdog function to monitor compliant PD
• Support 250meters Long-Range PoE
• Port 1-2 Support 24V/48V PoE by auto detect,Port 3-4 Support 802.3BT 60W
• 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