Alter SA ul. Pocztowa 13 , Tarnowo Podgórne , 62-080 Poland About Solutions products services Downloads Companies Alter SA Products Alter - Model RS 232 - USB Converter Alter - Model RS 232 - USB Converter From Accessories 0 Share It is designed for connection to serial converter RS-IR, for computers only with USB ports. Customer reviews No reviews were found for Alter - Model RS 232 - USB Converter. Be the first to review! Add your review Publish your review Great! review successfully added!