The JBX05406 1-meter 40GBASE-CR4 QSFP+ Active Direct Attach Copper Cable is a critical infrastructure component for modern data centers, enterprise networks, and high-performance computing environments requiring Ruckus-compatible connectivity solutions. **Technical Specifications & Features:** This active DAC cable utilizes premium 30AWG twinax copper conductors housed in durable plastic jacketing, delivering consistent 40GB per second data transmission rates. Featuring QSFP+ connectors on both ends, it achieves 1-meter direct connections between compatible equipment without requiring additional transceivers. The cable meets rigorous IEEE 802.3ba and SFF-8436 standards, ensuring interoperability and reliability in demanding network environments. **Compliance & Safety:** Fully RoHS and ELV compliant, with TUV and UL safety certifications, this cable meets EU Directive 2002/95/EC requirements. Its comprehensive certification portfolio ensures safe operation in regulated industries and enterprise deployments. **Performance Benefits:** Active DAC technology provides superior advantages over passive alternatives and optical solutions: lower latency, reduced power consumption, cost-effectiveness, and simplified installation. The 1-meter length accommodates typical switch-to-switch or switch-to-server connections in rack environments. **Operating Specifications:** Designed for reliable operation across 0-70°C temperature ranges, supporting both standard and managed network environments. The compact 12x12x2mm profile enables efficient cable management in dense rack deployments. **Ruckus Compatibility:** Specifically engineered for Ruckus network infrastructure, replacing OEM part number E40G-QSFP-QSFP-C-0101. Seamlessly integrates with Ruckus switches and compatible networking equipment. **Warranty & Support:** Backed by a 90-day limited warranty, with custom brand programming available for enterprise deployments. Ships from multiple US locations (Danville, CA and Beaufort, SC) with free standard shipping on orders exceeding $99. **Ideal Applications:** Perfect for enterprise data centers, high-frequency trading environments, cloud infrastructure, virtualization platforms, and any deployment requiring reliable 40GB interconnectivity. Whether consolidating network infrastructure or upgrading existing systems, this active DAC cable delivers proven performance and cost efficiency.