전기기관차(8200호대) MVB통신선 분석

Internal communication system (8200 Serise) electric locomotive operated by Korea Railroad Corporation, which uses the communication (Multi-function Vehicle Bus) MVB. It has a strong characteristic electrical noise twistedpair wires as the transmission medium and the optical fiber using a leased line MVB as part of the network protocol for the train IEC-61375. However, there are differences in the data obtained in the common communication line and leased line MVB, if the common communication line, I lose some packets, error if broken phenomenon for communication to the occurrence I is generated. Therefore, in this paper, we presented a comparative analysis of the differences between the common communication line and leased line.