KIEN7009 is one of Kyland green low power consumption industrial Ethernet switch series. It is equipped with 3 100Base-FX optic ports and 6 10/100Base-TX copper ports, making it ideal for building a fast Ethernet fiber optic ring and leaving a spare fiber port for uplink use. KIEN7009 is a light managed device, supports DT-Ring, DRP, VLAN and other protocols to increase system reliability. It is designed especially for harsh environments with wide operating temperature range, EMC level 4, IP40 protection class, It certified by CE, FCC, UL508 and CID2, and can be deployed in wind power, distribution network, automation, transportation, oil & gas and many other industrial applications.