The JBX01838 10GBASE-LR SFP+ Transceiver represents a sophisticated solution for enterprises demanding high-performance optical networking capabilities. This Small Form Factor Pluggable (SFP+) module is engineered to deliver dependable 10 Gigabit Ethernet transmission over extended distances, making it an essential component for modern data center architectures and enterprise network infrastructure. **Technical Excellence & Performance:** Operating at 1310nm wavelength, this transceiver leverages long-wavelength infrared transmission to achieve exceptional 10km reach over single-mode fiber (SMF) cables. The 1310nm wavelength is industry-standard for long-distance optical communication, offering superior attenuation characteristics that enable extended transmission distances without signal degradation. With duplex LC/UPC connectors, the module ensures low insertion loss and exceptional return loss performance, critical for maintaining signal integrity in demanding network environments. **Standards Compliance & Certification:** This transceiver strictly adheres to IEEE 802.3ae specifications and follows SFF-8431 and SFF-8472 standards, guaranteeing interoperability and reliability. The module carries comprehensive safety certifications including Class 1 Laser designation, TUV approval, and FDA compliance under 21CFR 1040.10. Full RoHS and ELV directive compliance ensures environmental responsibility and regulatory adherence across all major markets. **Extreme Networks Compatibility:** Explicitly designed as a compatible replacement for Extreme Networks AA1403011-E6HT, this module integrates seamlessly into existing Extreme Networks infrastructure without requiring firmware updates or reconfiguration. Organizations can confidently deploy this transceiver as a cost-effective alternative to OEM modules while maintaining full system performance and warranty coverage. **Robust Construction & Reliability:** The metal case housing with integrated laser transmitter provides superior thermal management and electromagnetic shielding, ensuring stable operation across diverse environmental conditions. Operating temperature range of 0-70°C accommodates both climate-controlled data centers and field deployments. Custom brand programming is available for organizations requiring white-label solutions or proprietary identification. **Ideal Applications:** - Data center interconnections and campus area networks - Metropolitan area networks (MANs) requiring 10km reach - High-speed backbone connections - Long-distance fiber optic link upgrades - Enterprise network expansion projects **Shipping & Support:** Available with free standard shipping on orders exceeding $99, shipped from multiple US locations (Danville, CA and Beaufort, SC). Backed by a 90-day limited warranty and supported by expert customer service, this transceiver provides outstanding value for networking professionals seeking reliable, standards-compliant optical connectivity solutions.