Product Description: SFP Module 1.25G Single Mode Single Fiber 20KM Transmission Distance DDM Function Elevate your networking capabilities with our SFP Module, designed for high-performance data transmission. This 1.25G Single Mode Single Fiber transceiver is perfect for a variety of applications, providing reliable connectivity over long distances. Key Features: High-Speed Transmission: With a data rate of 1.25Gb/s, this SFP module supports transmission distances of up to 20 kilometers. It is compliant with the IEEE 802.3z standard, ensuring optimal performance and reliability for your network. Digital Diagnostic Monitoring (DDM): The DDM function allows for real-time monitoring of the transceiver's performance, providing valuable insights into operational status. This feature enhances network management and troubleshooting, ensuring your system runs smoothly. Excellent Heat Dissipation: Designed for efficiency, this module has a power dissipation of less than 1.05W. The integrated thermal pads ensure excellent heat dissipation, maintaining optimal operating temperatures and prolonging the lifespan of the module. Plug and Play Convenience: Enjoy hassle-free installation with the plug and play feature. The hot-swappable design allows for easy replacement without downtime, making it simple to upgrade or maintain your network equipment. Broad Compatibility: This SFP module is widely compatible with various fiber optic switches, routers, servers, firewalls, and other equipment featuring 1.25Gb SFP ports. Its versatility makes it an ideal choice for diverse networking environments. Premium Quality Construction: Crafted from high-quality zinc alloy, this optical module is manufactured under strict quality control standards. Each unit is individually tested on different switches before leaving the factory, ensuring compatibility and performance across various brands. Upgrade your network with the SFP Module 1.25G Single Mode Single Fiber. Whether you're enhancing an existing setup or building a new infrastructure, this transceiver delivers the speed, reliability, and ease of use you need for a robust networking solution. Experience superior connectivity and performance today!