The JBX03408 75m Cisco Compatible 400GBASE-SR4 QSFP-DD Active Optical Cable represents the pinnacle of modern data center connectivity solutions. Engineered to meet the demanding requirements of enterprise-grade networking infrastructure, this cable delivers exceptional performance for organizations transitioning to 400-gigabit network architectures. **Technical Excellence:** This active optical cable (AOC) leverages OM4 50/125 multimode fiber technology with 16 individual fiber strands to achieve reliable 400GB transmission over 75-meter distances. The QSFP-DD form factor ensures broad compatibility with next-generation switches, routers, and network interface cards from Cisco and other leading manufacturers. IEEE 802.3db qualification guarantees standardized performance metrics and interoperability across diverse network environments. **Superior Safety and Compliance:** Designed with comprehensive safety certifications including Class 1 Laser, UL/FDA compliance per 21CFR 1040.10, and TUV verification, this cable meets stringent industry safety standards. The LSZH (Low Smoke Zero Halogen) OFNR-rated jacketing provides enhanced fire safety characteristics, making it suitable for installation in sensitive environments including plenum spaces and critical infrastructure facilities. **Environmental Responsibility:** Full RoHS/ELV compliance demonstrates commitment to environmental sustainability without compromising performance. The cable operates reliably across 0-70°C temperature ranges, accommodating diverse data center cooling strategies and installation conditions. **Practical Advantages:** • Replaces Cisco part number QDD-400-AOC75M • Active amplification eliminates need for separate equipment • Simplified installation compared to passive alternatives • Reduced electromagnetic interference • Proven reliability in mission-critical deployments **Application Scenarios:** Ideal for backbone connectivity between core switches, server interconnects in virtualized environments, storage area network (SAN) implementations, and high-performance computing (HPC) clusters. The 75-meter reach accommodates large data center floor plans and campus network deployments. **Warranty and Support:** Backed by a 90-day limited warranty and shipped from conveniently located distribution centers in California and South Carolina, ensuring rapid delivery and responsive customer service. Custom brand programming available for organizations requiring OEM-specific configurations. Invest in reliable, future-proof networking infrastructure with this enterprise-validated optical solution designed for maximum uptime and performance consistency.