1. Adopting high-quality optoelectronic integrated modules to provide good optical and electrical characteristics Ensure reliable data transmission and long working life; 2. Supports full duplex or half duplex mode with automatic negotiation capability; 3. The network interface supports fully automatic cross recognition; 4. Built in storage and forwarding mechanism, supporting multiple protocols; 5. Meets industrial grade operational standards, with an average fault free working time of over 300000 hours; 6. Working power supply: DC 12-52V provides reverse connection protection Lightning surge protection (power supply): 5000A (8/20 μ S);