이더넷 또는 시리얼 신호를 광신호와 상호 변환하는 신호변환 장치 개발

This paper in order to reduce the electric disaster damage which is caused by with electric equipment of traditional market developed the electric safety monitoring system which is suitable in traditional markets. We developed signal convert device having function changing ethernet or serial signal to optic signal each other. This device is able to use to traditional markets for data transmission and combining of communication line by optical communication. We constructed Test-bed for testing reliability of electric safety monitoring system and tested signal convert device the actual condition of traditional market.