What does OPT stand for? Priyanka L February 28, 2023 02:04 Introduction: What does OPT stand for? Explanation: Outdoor Payment Terminal Related articles What does EMV stand for? How to: Contact technical support for OPW/FMS products What does FSC stand for? What does CAT stand for? Info: WIP / XWIP Calibration Comments 0 comments Please sign in to leave a comment.