The JBX01857 10GBASE-LR SFP+ transceiver represents a premium solution for organizations requiring robust, long-distance optical connectivity. This single-mode fiber (SMF) transceiver operates at 1310nm wavelength, a standard telecommunications wavelength optimized for extended reach applications. With a maximum transmission distance of 10 kilometers over single-mode fiber, it delivers exceptional performance for campus networks, metropolitan area networks, and data center interconnection scenarios. **Key Technical Specifications:** This module adheres to IEEE 802.3ae standards and maintains SFF-8431 and SFF-8472 compliance, ensuring compatibility with industry-standard equipment. The duplex LC/UPC connector interface provides superior low-loss performance compared to standard LC connectors, reducing signal reflection and ensuring consistent signal quality. Operating at 10 Gigabits per second, it delivers the bandwidth requirements of modern enterprise networks without compromise. **Compatibility and Integration:** Direct compatibility with Juniper SFPP-10G-LR-C equipment simplifies procurement and deployment. The transceiver's form factor as a standard SFP+ module allows hot-swappable installation in compatible network hardware without powering down systems. Custom brand programming is available for organizations requiring white-label solutions. **Reliability and Safety:** Constructed with a metal case and precision laser transmitter, this optical module withstands demanding network environments. Comprehensive safety certifications include Class 1 Laser designation, TUV, UL/FDA approval, and compliance with 21CFR 1040.10. The operating temperature range of 0-70°C accommodates both standard data center and outdoor equipment installations. **Environmental Compliance:** RoHS and ELV certification ensures this product meets stringent European environmental directives (EU 2002/95/EC). Lead-free materials and responsible manufacturing practices minimize environmental impact throughout the product lifecycle. **Value Proposition:** Shipped from US locations (Danville, CA and Beaufort, SC), this transceiver includes free standard shipping on orders exceeding $99. The 90-day limited warranty provides protection against manufacturing defects. Whether upgrading existing infrastructure or deploying new networks, this 10GBASE-LR SFP+ transceiver delivers proven performance, reliability, and exceptional value.