The JBX01054 200GBASE-LR4 QSFP-DD Transceiver represents the pinnacle of optical networking technology, designed to meet the demanding requirements of next-generation data centers, service providers, and enterprise networks. This high-capacity optical module is engineered to deliver exceptional performance and reliability for long-reach, high-speed network connections. **Technical Excellence & Performance** Features a 200GB data rate capability with proven transmission reliability up to 10 kilometers over standard single-mode fiber (SMF) with 9/125 micron core diameter. The QSFP-DD form factor provides the latest in compact, high-density optical interconnect solutions, allowing for maximum port density in modern networking equipment. **Superior Build Quality** Constructed with a robust metal case housing precision laser transmitter components, this transceiver withstands demanding operational environments. The duplex LC/UPC connectors provide industry-standard connectivity that integrates seamlessly with existing fiber infrastructure, minimizing installation complexity and reducing deployment costs. **Comprehensive Compliance & Certification** Meets all critical safety and environmental standards including Class 1 Laser certification (CDRH/FDA 21CFR 1040.10), EU RoHS Directive 2002/95/EC, TUV, and UL compliance. These certifications ensure safe operation in professional network environments and demonstrate commitment to environmental responsibility. **Juniper Compatibility & Flexibility** Engineered as a full replacement for Juniper's OEM QDD-200G-LR4 module, offering cost-effective network upgrades without sacrificing compatibility or performance. Custom brand programming is available for organizations requiring branded solutions. **Operational Reliability** Operates reliably across a wide temperature range (0-70°C / 32-158°F), maintaining consistent performance whether deployed in climate-controlled data centers or field environments. Backed by a 90-day limited warranty, providing peace of mind for critical network deployments. **Value & Convenience** Ships free with orders over $99 from convenient US locations (Danville, CA and Beaufort, SC), ensuring fast delivery and minimal downtime. The JBX01054 delivers enterprise-grade performance at an accessible price point, making premium optical connectivity available to organizations of all sizes.