The JBX05248 7-meter Cisco-compatible 40GBASE-CR4 QSFP+ passive direct attach copper cable represents an excellent choice for organizations seeking dependable, cost-effective connectivity in high-speed networking applications. This professional-grade cable is specifically engineered to support 40 Gigabit Ethernet transmission with minimal latency, making it ideal for demanding data center environments, enterprise server connections, and high-performance computing clusters. **Technical Specifications:** This cable features premium 26AWG twinax copper conductors wrapped in protective plastic jacketing, providing both durability and flexibility in installation. The QSFP+ to QSFP+ copper connectors ensure secure, reliable connections with minimal signal degradation. Qualified to IEEE 802.3ba and SFF-8436 standards, the cable delivers consistent 40GB performance across its full 7-meter length. **Compliance & Certification:** Fully RoHS and TUV certified, this cable meets EU Directive 2002/95/EC requirements and complies with UL safety standards. These certifications ensure environmental responsibility and operational safety in enterprise settings. **Key Advantages:** As a passive DAC cable, it eliminates the need for external power sources, reducing system complexity and eliminating potential points of failure. The passive design also provides superior cost efficiency compared to active optical alternatives while maintaining exceptional performance. **Compatibility & Applications:** A direct replacement for Cisco original equipment manufacturer parts (QSFP-H40G-CU7M and MA-CBL-40G-7M), this cable seamlessly integrates into existing Cisco-based network infrastructure. Perfect for direct server-to-switch connections, switch-to-switch configurations, and storage area network (SAN) applications. **Operating Environment:** With an operating temperature range of 0-70°C (32-158°F), this cable performs reliably across diverse data center conditions. The robust construction ensures consistent performance in both climate-controlled and challenging environments. **Quality Assurance:** Backed by a 90-day limited warranty, this cable represents a trusted investment in network infrastructure. Custom brand programming is available for organizations requiring OEM identification or proprietary branding. **Shipping & Support:** Enjoy free standard shipping on orders over $99, with convenient fulfillment from multiple US locations (Danville, CA and Beaufort, SC), ensuring quick delivery to your facility. Choose this cable for proven reliability, standards compliance, and exceptional value in high-speed networking solutions.