What common specification is likely inscribed on the outer jacket of fiber optic cable?

The specification inscribed on the outer jacket of fiber optic cable often refers to the core and cladding diameters of the fiber. In this context, 62.5/125 indicates a multimode fiber optic cable with a core diameter of 62.5 micrometers and a cladding diameter of 125 micrometers. This is one of the most common specifications found in multimode fiber cables, particularly for applications that require high bandwidth over shorter distances, such as within buildings and data centers.

The significance of this specification lies in its usage in legacy systems, where 62.5/125 multimode fiber was widely deployed for connecting local area networks (LANs). It supports a variety of transmission standards and is crucial for maintaining effective signal quality during data transmission. This characteristic plays a critical role in ensuring the cable’s performance and compatibility with various networking equipment.

In contrast, the other options represent specifications that either are not commonly used for multimode fiber optics or would suggest different applications and capabilities that are not typical for standard multimode installations.