The AQ3550 Optical Switch Box from Yokogawa Test&Measurement is a 12-channel OSW that, when paired with an optical time domain reflectometer, improves workflow efficiency. In this video, we demonstrate how to properly connect an OSW with an OTDR and how to clean the end face of the MPO connector. Please note that product specifications may change without notice due to firmware updates, etc. For the most up-to-date information, please visit the firmware download page.