The JBX05486 3-meter 40GBASE-CR4 QSFP+ Active Direct Attach Copper cable represents the optimal solution for organizations requiring high-speed, reliable network interconnectivity within Juniper-based infrastructure. As an active DAC cable, it combines the advantages of direct-attach technology with active signal conditioning, delivering consistent 40GB performance over longer distances than passive alternatives. **Technical Specifications & Performance:** Built to IEEE 802.3ba and SFF-8436 standards, this cable supports full 40GBASE-CR4 protocol implementation. The 30AWG twinax copper construction provides superior signal integrity and minimal crosstalk, essential for maintaining data integrity in high-density network environments. Operating temperature range of 0-70°C (32-158°F) accommodates diverse data center conditions, from standard climate-controlled facilities to edge computing locations. **Compatibility & Integration:** Directly replaces Juniper OEM part number JNP-QSFP-DAC-3MA, ensuring drop-in compatibility with Juniper switches, routers, and network appliances. The QSFP+ connector form factor provides universal compatibility across Juniper's 40GB networking portfolio, eliminating compatibility concerns and simplifying procurement. **Compliance & Certification:** Fully RoHS/ELV compliant and certified under EU Directive 2002/95/EC, with TUV and UL safety certifications. This ensures safe deployment in regulated enterprise environments and guarantees adherence to environmental standards. **Ideal Applications:** Perfect for enterprise data centers, cloud infrastructure, high-performance computing clusters, and service provider backbone networks. The 3-meter length balances flexibility with performance, suitable for both vertical and horizontal cabling runs in standard racks. **Support & Warranty:** Included 90-day limited warranty provides peace of mind, while custom brand programming availability enables seamless integration with existing asset management systems. Free standard shipping on orders over $99, with convenient fulfillment from multiple US locations (Danville, CA and Beaufort, SC).