The JBX05383 1-meter 40GBASE-CR4 QSFP+ Passive Direct Attach Copper Cable represents the optimal solution for enterprises and data centers requiring high-speed, cost-effective network connectivity. This meticulously engineered cable combines cutting-edge passive DAC technology with enterprise-grade reliability to support demanding 40GB/s network environments. Technical Excellence: This cable features premium 30AWG twinax copper construction that minimizes signal degradation while maximizing data integrity. The QSFP+ to QSFP+ connector configuration ensures universal compatibility across modern networking equipment. Qualified to IEEE 802.3ba and SFF-8436 standards, the JBX05383 meets the stringent requirements of enterprise networking specifications and delivers consistent, predictable performance in mission-critical applications. Power Efficiency & Reliability: As a passive DAC solution, this cable requires zero external power, eliminating the complexity and cost associated with active optical cables. This passive design reduces heat generation in densely packed data center environments, improving overall system reliability and longevity. The robust plastic jacketing provides mechanical protection while maintaining flexibility for installation in constrained spaces. Compliance & Certification: Fully RoHS and TUV/UL certified, the JBX05383 adheres to EU Directive 2002/95/EC environmental standards. The 90-day limited warranty demonstrates our confidence in product quality and reliability. Applications: Ideal for high-speed interconnections between switches, servers, and storage systems in data centers, cloud computing facilities, and enterprise networks. The 1-meter length accommodates typical rack-to-rack and intra-rack connectivity requirements. Compatibility: Designed as a drop-in replacement for Extreme Networks equipment, supporting OEM part numbers 40G-DACP-QSFP1M, 10312, AA1404029-E6, and 40GB-C01-QSFP. Custom brand programming is available for specialized requirements. Operating Specifications: Temperature range: 0-70°C (32-158°F) Connector Type: QSFP+ (both ends) Gauge: 30AWG Data Rate: 40GB Standards: IEEE 802.3ba, SFF-8436 Delivery & Support: Ships from multiple US locations (Danville, CA and Beaufort, SC) with free standard shipping on orders exceeding $99. Professional customer support ensures seamless implementation and ongoing assistance.