The JBX05104 1.5m 400GBASE-CR8 QSFP-DD Direct Attach Copper Cable represents a high-quality, cost-effective solution for organizations deploying 400GB network infrastructure. This passive DAC cable is fully compatible with Juniper equipment and serves as a direct replacement for the OEM QDD-400G-DAC-1P5M part number, ensuring seamless integration without compatibility issues. **Technical Specifications:** This cable utilizes premium 28AWG twinax copper construction with dual QSFP-DD connectors at each end, meeting the rigorous ETC 400GBASE-CR8 specifications. The 1.5-meter length provides optimal flexibility for rack-to-rack connections in densely configured data centers. Constructed with copper connectors and robust plastic jacketing, the cable delivers signal integrity while maintaining durability in high-traffic network environments. **Compliance & Certification:** Fully RoHS and ELV compliant under EU directive 2002/95/EC, this cable meets international environmental standards. Additional certifications include TUV and UL, ensuring electrical safety and performance reliability. The cable is qualified to QSFP-DD MSA and CMIS specifications, guaranteeing interoperability within certified Juniper systems. **Performance & Applications:** Designed for transmitting low-voltage network signals, this passive DAC cable operates reliably between 0°C and 70°C, accommodating standard data center temperature ranges. It is ideal for high-performance computing clusters, cloud infrastructure, enterprise networking upgrades, and data center interconnects requiring 400GB connectivity. **Value Proposition:** Compared to active cables, passive DAC solutions like the JBX05104 provide superior cost efficiency without compromising performance. With no power consumption and minimal latency, this cable is the preferred choice for short-reach, high-speed connections. **Support & Warranty:** Backed by a 90-day limited warranty and available with custom brand programming options. Orders over $99 qualify for free standard shipping from distribution centers in Danville, CA and Beaufort, SC.