The LENOVO 45W7552 SFP Transceiver 100 MbE LR 40Km SMF w/OM is a high-performance, long-range optical module designed to extend your network over single-mode fiber (SMF) for distances up to 40 kilometers. This transceiver module offers 100 MbE (Megabit Ethernet) connectivity, making it suitable for applications requiring long-distance, high-reliability network links such as metropolitan area network (MAN) extensions, remote campus connections, and rural broadband deployment. Compatibility with the Small Form-factor Pluggable (SFP) interface allows this module to be easily installed in a wide range of network devices, including switches, routers, and media converters, facilitating seamless integration into existing infrastructures. The included Optical Monitoring (OM) feature provides real-time diagnostics and monitoring of the optical link, including parameters such as transmitted and received power levels, enhancing network management and troubleshooting capabilities. The LENOVO 45W7552 transceiver is an ideal solution for networking scenarios that demand high-quality, long-distance connectivity with reliable performance.