MOXA UPort series USB-to-serial converters provide computers with high-performance, industrial-grade connections for up to 16 serial devices over a single USB port. We are the supplier, stockiest, and exporter of automation equipment from reputable companies like Allen Bradley (Rockwell Automation), Siemens, Schneider, Phoenix, AVEVA (Wonderware), MOXA, VIPA, etc., including PLCs, I/O Modules, Drives, HMIs, Sensors, Servo Motors, and Servo Drives.