4FE+2FE Industrial PoE Switch with 4Port PoE

Features:

• Support 250meters Long range PoE Transmit
• 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
• DC Input 48-55V