4-4              Electronic Calibration Modules Reference Guide
Use, Maintenance, and Care of the Devices
Visual Inspection
4-
Figure 4-2   Type-N Connector Pin Depth and Mating Surfaces 
Light burnishing of the mating plane surfaces is normal, and is evident as light 
scratches or shallow circular marks distributed more or less uniformly over the 
mating plane surface. Other small defects and cosmetic imperfections are also 
normal. None of these affect electrical or mechanical performance. If a 
connector shows deep scratches or dents, particles clinging to the mating 
plane surfaces, or uneven wear, clean and inspect it again.