The JBX03189 2m 400GBASE-SR4.2 QSFP-DD Active Optical Cable represents state-of-the-art connectivity solutions for modern data centers and enterprise networks. This breakout configuration cable seamlessly integrates with existing Cisco infrastructure while providing the flexibility to support multiple 100G connections through a single 400G port. Technical Excellence: This active optical cable utilizes 16 fiber strands of OM3 50/125 multimode fiber, delivering exceptional signal integrity across the full 2-meter length. The cable meets all IEEE 802.3bs specifications and is qualified to QSFP-DD MSA standards, ensuring compatibility with current and future network equipment. The integrated active components maintain signal quality without requiring external power, simplifying deployment and reducing infrastructure complexity. Safety and Compliance: The LSZH (Low Smoke Zero Halogen) jacket with OFNR riser rating provides superior fire safety characteristics, making it ideal for plenum and riser installations. RoHS and EU directive 2002/95/EC compliance ensures environmentally responsible manufacturing. Class 1 laser certification, combined with UL, FDA, and TUV safety certifications, guarantees safe operation in any environment. Performance and Reliability: Operating across the 0-70°C temperature range, this cable maintains consistent performance in diverse environments. The 400GB/s aggregate bandwidth enables smooth transmission of high-volume data, making it suitable for storage area networks (SANs), cloud infrastructure, and enterprise backbone deployments. The QSFP-DD to 4x QSFP28 breakout configuration provides exceptional scalability, allowing organizations to maximize existing QSFP28 equipment investments while upgrading to 400G capabilities. Deployment Advantages: The 2-meter length balances flexibility with signal integrity, suitable for most data center rack configurations. Ships promptly from U.S. locations (Danville, CA and Beaufort, SC), with free standard shipping on qualifying orders. The 90-day limited warranty provides purchase confidence. Customization Options: Custom brand programming is available for organizations requiring proprietary labeling or specific configurations. Applications: Ideal for 400G network core upgrades, multi-tenant data center buildouts, and enterprise campus backbone connections. Perfect replacement for OEM part number QDD-4X100G-AOC2M.