Explore the essential performance parameters of multimode fiber optic cables, including core size, bandwidth, attenuation, and modal dispersion. Understand how these factors influence network performance and suitability for various applications. By understanding these parameters, you can deploy reliable, high-speed LANs and ensure. Principles on the measurements related to Encircled Flux and Mode Power Distribution: Key parameters in the performance of Multimode Fibre, 10 Gigabit Ethernet Networks. The distribution of power among the various modes in a multimode fibre is known as the 'mode profile' of the fibre. Use precision cleaning methods and procedures.