The Approved Technology SFP1131S-1FX40A-C is a high-performance 1.25G SFP (Small Form-factor Pluggable) optical transceiver, ideal for various networking applications. It utilizes a 1310nm FP laser to achieve a transmission distance of up to 40km over Single-Mode Fiber (SMF). The integrated Digital Diagnostic Monitoring (DDM) function provides real-time monitoring of critical parameters such as optical power, temperature, and voltage, enabling proactive network management. This SFP transceiver is designed for easy installation and hot-pluggability, minimizing downtime and simplifying upgrades. As an authorized distributor of Approved Technology, Supreme Components International guarantees the authenticity and quality of this product. This transceiver is suitable for Gigabit Ethernet, Fiber Channel, and other high-speed data communication systems.