The JBX05497 40GBASE-CR4 QSFP+ active direct attach copper cable represents a cost-effective, high-performance solution for modern data center networking requirements. This 5-meter cable is specifically engineered for Juniper-based network architectures, delivering proven compatibility with Juniper QFX and EX series switches while maintaining exceptional signal integrity. **Technical Excellence** Constructed with 30AWG twinax copper conductors and protective plastic jacketing, this active DAC cable leverages copper's superior conductivity for reliable 40Gbps data transmission. The active technology incorporates intelligent signal conditioning, enabling extended cable runs without performance degradation. IEEE 802.3ba qualification ensures full compliance with industry standards for 40 Gigabit Ethernet over copper media. **Reliability and Compliance** This cable meets stringent safety and environmental requirements, featuring RoHS and ELV compliance under EU directive 2002/95/EC, plus TUV and UL safety certifications. Operating across a wide temperature range of 0-70°C (32-158°F), it performs consistently in various data center environments. The robust construction withstands typical installation stresses while maintaining long-term durability. **Practical Advantages** Active DAC cables offer compelling advantages over passive alternatives: superior performance over longer distances, enhanced reliability in challenging thermal environments, and proven longevity in production deployments. The 5-meter length accommodates typical equipment spacing in rack environments while minimizing unnecessary cable bulk. **Seamless Integration** Drop-in replacement for OEM part numbers JNP-QSFP-DAC-5MA and QFX-QSFP-DAC-5MA, enabling straightforward upgrades or replacements without system redesign. Custom brand programming is available for organizations requiring proprietary identification. **Value Proposition** Compared to fiber-optic alternatives, this copper-based solution eliminates expensive transceiver costs while delivering equivalent performance for short-to-medium distance applications. Perfect for budget-conscious enterprises modernizing infrastructure without sacrificing quality. Backed by 90-day limited warranty and shipped with free standard shipping on orders exceeding $99.