Visual inspection is the first step in testing the quality of fiber optic adapters. Examine the adapter for any physical damage, such as scratches, cracks, or deformities. In this blog post, we will explore. This standard covers the inspection of fiber optic connectors with a microscope and cleaning the connectors. Video microscopes should have ability to record images and some may have ability to analyze connector condition to standards. 1) The other portion of a good physical contact between the connectors ferrules is the absence of any type of. A single particle mated into the core of a fiber can cause significant back reflection, insertion loss, and equipment damage.