TY CONF TI RS-232 INTERFACE KW RS-232 KW serial data transmission KW communication interface KW industrial automation KW asynchronous exchange JO MODELING INFORMATION SYSTEMS AND TECHNOLOGIES – 2026 AU Ivenskii, D.A. AU Semenko, E.O. AU Butov, A.Y. PY 2026 PB FSBE Institution of Higher Education Voronezh State University of Forestry and Technologies named after G.F. Morozov