The JBX05747 2.5m 100GBASE-CR4 QSFP28 Passive Direct Attach Copper Cable represents a solution engineered for enterprises and data centers demanding high-speed, reliable network infrastructure. This premium passive DAC cable delivers 100GB connectivity with the performance characteristics required for modern networking environments. **Technical Specifications & Performance:** Designed to IEEE 802.3bj standards and QSFP28 MSA specifications, this cable provides uncompromised 100GBASE-CR4 performance. The 28AWG twinax copper conductors offer excellent signal propagation characteristics, ensuring minimal attenuation and crosstalk even in complex network topologies. With a 2.5-meter length, this cable accommodates standard rack-to-rack and switch-to-server deployments without excessive slack. **Quality & Compliance:** Manufactured to the highest standards and tested to SFF-8665 specifications, the JBX05747 maintains consistent quality across production batches. RoHS compliance ensures environmental responsibility, while UL and TUV certifications validate safety and reliability. The cable operates reliably across temperatures from 0-70°C, supporting deployment in diverse data center environments. **Palo Alto Networks Compatibility:** As a direct replacement for Palo Alto Networks part number PAN-QSFP28-DAC-2.5M, this cable integrates seamlessly into existing security appliance deployments and network infrastructures. Engineers can confidently upgrade or expand network capacity without compatibility concerns. **Advantages of Passive DAC Technology:** Unlike active cables, passive DAC eliminates power consumption, reducing operational costs and heat generation. This design delivers lower latency and greater reliability while maintaining exceptional performance over the 2.5-meter distance. **Shipping & Support:** Qualify for free standard shipping on orders exceeding $99, with shipment from convenient West Coast or East Coast distribution centers. Backed by a 90-day limited warranty, ensuring peace of mind with your investment. **Ideal Applications:** Perfect for data center upgrades, high-performance computing clusters, virtualization platforms, and enterprise security appliance deployments requiring reliable 100GB connectivity without active electronics or external power requirements.