The JBX05991 1.5m Cisco QSFP56 Direct Attach Copper Cable represents cutting-edge connectivity technology for modern data center infrastructures. Engineered to support 200GBASE-CR4 specifications, this passive DAC cable delivers ultra-high-speed data transmission without the complexity or power requirements of active solutions. Technical Excellence: This direct attach copper cable features premium 30AWG twinax construction with dual QSFP56 connectors, providing a secure, low-loss connection between network equipment. Qualified to IEEE 802.3cd and QSFP56 MSA specifications, it guarantees compatibility with leading network switches and infrastructure components. The 1.5-meter length is optimized for typical rack-to-rack and device-to-device connections within data center environments. Performance & Reliability: As a passive DAC, this cable eliminates active electronics, reducing power consumption, heat generation, and potential failure points. It maintains exceptional signal integrity across its 200GB/s capacity, delivering consistent performance in demanding network conditions. Operating temperature range of 0-70°C ensures reliable operation in various deployment scenarios. Compliance & Certification: Fully RoHS/ELV compliant and certified by TUV and UL, this cable meets stringent international standards for safety and environmental responsibility. These certifications provide peace of mind for enterprise deployments where regulatory compliance is essential. Compatibility & Value: Direct replacement for Cisco QSFP-200-CU1-5M, this cable offers exceptional compatibility with existing Cisco infrastructure. Custom brand programming is available for OEM and reseller requirements. Backed by a 90-day limited warranty, with convenient shipping from Danville, CA and Beaufort, SC locations. Free standard shipping applies to orders exceeding $99. Ideal Applications: Perfect for hyperscale data centers, enterprise networks, high-frequency trading environments, and any deployment requiring high-density, low-latency 200GB connectivity. Whether upgrading existing infrastructure or deploying new systems, this QSFP56 DAC cable provides reliable, cost-effective performance.