Get a guided demo that shows common workflows and troubleshooting tips for the MPO Polarity Tester. This video demonstrates how to perform polarity judgment and continuity analysis during MPO/MTP patch cord production, using visible red light to inspect line sequence status for both MPO-MPO patch cords and fan-out cables. You'll see how this tester provides a fast, accurate, and reliable solution for production, semi-finished, and finished product testing.