The FUJITSU S26361-F3986-L4 SFP+ Transceiver Module is a high-performance, long-reach (LR) and long-wavelength (LW) component designed for use in optical communications. This module is optimized for Single-Mode Fibre (SMF) to enable long-distance data transmission, supporting distances of up to 10 kilometers. It is compatible with the SFP+ interface, offering a data rate of 10 Gigabits per second, which is ideal for enterprise networking, metropolitan area networks (MANs), and various applications requiring extended reach and high bandwidth capabilities. The module operates within an extended temperature range, making it suitable for deployment in diverse environmental conditions. It incorporates Digital Optical Monitoring (DOM) functionality for real-time monitoring of the transceiver's operational parameters, such as temperature, optical power levels, and voltage, ensuring optimal performance and reliability. The FUJITSU S26361-F3986-L4 is engineered to meet rigorous industry standards, ensuring compatibility with a wide range of networking equipment and offering a dependable, flexible solution for expanding network reach and capacity.