8 10/100/1000M Adaptive RJ45 portsMaximum transmission distance of optical port 120kmAll ports have wire-speed forwarding capabilitySupport port auto-flip Auto MDI/MDIX functionPlug and Play Non Network Management, no configuration required * EMC 15kv air discharge, 8kv contact discharge, 6kv port lightning protection, 4kv power supply lightning protection * IP40 Protection Class, Industrial Standard