G.652.D, G.657.A1, G.657.A2, what's the difference?
In the field of optical communication, fiber specification is one of the important factors to ensure network performance and application stability. G.652.D, G.657.A1, and G.657.A2 are three common fiber specifications that differ in terms of transmission characteristics, applicable environments, and performance. This paper will deeply discuss the definition, characteristics, differences and advantages of these three specifications in practical application.