The JBX02445 50GBASE-LR SFP56 optical transceiver represents a cost-effective solution for organizations upgrading to 50GB networking infrastructure. This module delivers exceptional performance in demanding telecommunications and data center environments where high-speed, long-distance connectivity is essential. **Technical Specifications:** This transceiver operates at 1310nm wavelength, optimized for extended transmission distances up to 10 kilometers over single-mode fiber (9/125 micron core). The 50GB data rate capability supports modern high-bandwidth applications including cloud computing, data replication, and content delivery. The duplex LC/UPC fiber connector design ensures low insertion loss and superior signal integrity. **Compatibility & Integration:** Designed as a drop-in replacement for Cisco SFP-50G-LR-S transceivers, the JBX02445 ensures straightforward installation and compatibility with existing Cisco switching and routing infrastructure. The SFP56 form factor provides versatility across various networking platforms supporting 50GB module deployments. **Reliability & Compliance:** Built with precision-engineered laser transmitter technology and robust metal casing, this transceiver withstands rigorous datacenter operating conditions (0-70°C operational range). Full RoHS and ELV directive compliance meets international environmental standards. Class 1 laser certification and FDA compliance (21CFR 1040.10) guarantee safe operation in professional environments. Independent verification includes TUV and UL certifications. **Enterprise Features:** Custom brand programming options accommodate enterprise asset management and network documentation requirements. The 90-day limited warranty provides protection on your investment. Engineered in Vietnam and China using quality manufacturing processes, this module ships from convenient U.S. locations (California and South Carolina) with free standard shipping on orders exceeding $99. **Applications:** Ideal for metro-area networks (MANs), enterprise campus connectivity, disaster recovery links, and data center interconnects requiring reliable 50GB transmission over extended distances without expensive ultra-long-reach solutions.