The JBX05320 5-meter 40GBASE-CR4 QSFP+ passive direct attach copper cable represents a cutting-edge solution for enterprises requiring high-speed, low-latency network connectivity. Engineered specifically for Ruckus network switches and infrastructure, this premium DAC cable delivers exceptional performance in demanding data center environments. **Technical Specifications:** This cable features 28AWG twinax copper construction optimized for signal integrity at 40GB/s data rates. The dual QSFP+ connectors ensure secure, reliable connections to compatible network equipment. Operating across a temperature range of 0°C to 70°C, the cable maintains consistent performance in diverse installation environments. The 5-meter length provides optimal flexibility for rack-to-rack deployments while minimizing signal degradation. **Compliance & Certification:** Fully qualified to IEEE 802.3ba specifications, the JBX05320 meets international safety standards including RoHS, TUV, and UL certification. The RoHS/ELV compliance ensures environmental responsibility and regulatory adherence across global markets. **Key Advantages:** As a passive DAC solution, this cable eliminates the need for external power supplies, reducing operational complexity and total cost of ownership. The copper construction provides superior signal quality compared to optical alternatives, while maintaining lower heat dissipation. Direct attach connectivity ensures minimal latency—crucial for applications requiring real-time data transmission. **Compatible Applications:** Ideal for Ruckus environments, this cable serves multiple use cases: high-speed switch interconnections, server-to-switch connections in virtualized data centers, and redundant network path configurations. The proven 40GBASE-CR4 standard ensures compatibility across Ruckus platforms and complementary network infrastructure. **Quality Assurance:** Backed by a 90-day limited warranty and featuring RoHS compliance with plastic jacketing that protects against environmental contamination, this cable delivers long-term reliability. Custom brand programming is available for enterprise deployments requiring standardized asset identification. Ship from convenient West Coast or Southeast locations ensures rapid delivery, with free standard shipping on orders exceeding $99.