LREC9710HF-TX/RX is used the latest optical fiber One-way transmission technology, effectively guarantee the stability of data transmission, reduce the packet loss rate. Since the one-way transmission characteristics of light, this Ethernet Adapter has not only achieved physical separation between the internal computer network and the external network, but also ensured the data between internal and external networks in real time, reliable, secure One-way transmission. LREC9710HF-TX/RX adapter can be widely used in public security, government systems, military and other security departments as well as used in other confidential computer network.