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Because of a surge in demand, data center operators have started upgrading from 10G to 40 and 100G or beyond. However, it’s a massive challenge for small to medium enterprises operating with 1G infrastructure to upgrade from 1G to 10 or 100G directly. Here comes the role of 2.5 Ethernet that has emerged as a more feasible up-gradation opportunity and fills in some gaps. So, how better is your understanding of 2.5G BASE-T optical transceivers? In this article, we will discuss 2.5G BASE-T SFP modules comprehensively.

There is a broad range of SFP modules available today. So, knowing the differences between different types of SFP modules and choosing the best one is an important task. SFP modules are categorized by their distance, wavelength, and bandwidth capabilities. The SFP you select must be harmonious with the optical fiber cable you plan to install. Single-mode fiber (SMF) requires a single-mode compatible, optical SFP module. At the same time, multimode fiber (MMF) requires a multimode compatible SFP module.