The JBX05397 represents a cost-effective, high-performance networking solution for organizations requiring reliable 40GB Ethernet connectivity. This 1-meter Juniper-compatible 40GBASE-CR4 QSFP+ active direct attach copper cable combines exceptional speed with practical deployment advantages for modern data center environments. **Key Technical Features:** Built to IEEE 802.3ba specifications, this QSFP+ cable delivers consistent 40GB/s data rates essential for bandwidth-intensive applications. The 30AWG twinax copper construction provides superior signal integrity while minimizing electromagnetic interference. Active DAC technology enables intelligent signal conditioning, ensuring reliable transmission over the full 1-meter distance without optical conversion complexity. **Construction & Durability:** The cable features high-quality copper connectors with protective plastic jacketing, rated for continuous operation between 0-70°C. Its compact dimensions (12x12x2mm) facilitate easy routing in congested rack environments. Manufactured to exacting standards with RoHS, ELV, TUV, and UL compliance certifications. **Ideal Applications:** Perfect for switch-to-switch connections, storage array links, and server interconnects within data centers. The 1-meter length suits short-distance, high-speed requirements without the complexity and expense of optical solutions. Suitable for enterprise IT, cloud infrastructure, and high-performance computing environments. **Value Proposition:** Compared to optical DAC or fiber alternatives, this active copper cable offers lower cost, simpler deployment, and reduced power consumption. It directly replaces Juniper OEM part JNP-QSFP-DAC-1MA, ensuring equipment compatibility. Custom brand programming is available for organizations requiring white-label solutions. Ships from multiple US locations with free standard shipping on orders exceeding $99. **Warranty & Support:** Protected by a 90-day limited warranty, providing peace of mind for critical network deployments.