The JBX03207 is a sophisticated 400GBASE-SR8 QSFP-DD active optical breakout cable designed to meet the demanding requirements of modern data center infrastructure. As a direct Cisco QDD-4ZQ100G-AOC20M compatible replacement, this 20-meter AOC provides seamless integration into existing Cisco environments without additional configuration or compatibility concerns. Technical Excellence: This breakout cable features a single QSFP-DD connector on one end and four QSFP56 connectors on the opposite end, enabling efficient port multiplication and flexible network topology configurations. The cable utilizes 16 strands of OM3 50/125 multimode fiber, optimized for short-reach applications within data center environments. With a 400GB aggregate data rate, the cable supports simultaneous 100GB connections across all four breakout ports, delivering exceptional bandwidth capacity for demanding applications. Quality and Safety: Constructed with low-smoke, zero-halogen (LSZH) plastic jacketing and OFNR (Optical Fiber, Non-Conductive, Riser) rating, this cable meets stringent fire safety and environmental standards. Comprehensive safety certifications including UL, FDA 21CFR 1040.10, TUV, and Class 1 Laser approval ensure reliable operation in commercial and industrial environments. RoHS and ELV compliance demonstrates environmental responsibility and regulatory adherence. Performance Specifications: Qualified to IEEE 802.3cm and QSFP-DD MSA standards with CMIS support, the cable guarantees interoperability with leading networking equipment. The 20-meter length accommodates extended reach requirements within large data centers while maintaining signal integrity. Operating temperature range of 0-70°C provides reliable performance across varied environmental conditions. Applications: Ideal for enterprise data centers, cloud service providers, high-performance computing clusters, and telecommunications infrastructure requiring high-density, high-speed interconnects. The breakout configuration enables cost-effective port expansion without additional equipment investments. Warranty and Support: 90-day limited warranty provides peace of mind, while custom brand programming is available for enterprise deployments. Free standard shipping on orders over $99 makes this professional-grade solution accessible and cost-effective.