The JBX05811 3-Meter 100GBASE-CR4 QSFP28 Passive Direct Attach Copper Cable represents a superior solution for organizations requiring high-speed, reliable network connectivity in data center and enterprise environments. This professional-grade cable delivers exceptional performance while maintaining cost-effectiveness through passive DAC technology. **Technical Excellence** Engineered to IEEE 802.3bj and QSFP28 MSA specifications, this cable supports 100GB Ethernet transmission with negligible latency. The 28AWG twinax copper construction provides superior signal integrity and electromagnetic shielding, critical for maintaining data reliability in high-density network deployments. The 3-meter length offers optimal flexibility for rack-to-rack and device-to-device connections in modern data center architectures. **Ruckus Compatibility** Specifically designed for Ruckus networking equipment, this cable ensures seamless integration with existing infrastructure. It directly replaces OEM part number E100G-QSFP-QSFP-P-0301, providing a reliable and cost-effective alternative for upgrades and replacements. **Quality and Compliance** This cable meets rigorous international standards including RoHS/ELV compliance and carries UL and TUV certifications. The durable plastic jacketing protects against environmental factors while maintaining flexibility for installation in tight spaces. Operating temperature specifications of 0°C to 70°C ensure reliable performance across varied data center environments. **Passive vs. Active Technology** Unlike active DAC cables requiring power supplies and additional complexity, this passive solution eliminates extra infrastructure requirements. This approach reduces total cost of ownership while maintaining enterprise-grade performance. Passive DAC technology is particularly suitable for high-density deployments where space and power management are critical considerations. **Applications** Ideal for: High-speed data center interconnects, enterprise network upgrades, storage area network (SAN) deployments, server-to-switch connectivity, and cloud infrastructure buildouts. The cable is perfect for organizations standardizing on 100GB Ethernet technology for future-proof networking architecture. **Support and Warranty** Backed by a 90-day limited warranty and available for custom brand programming, this cable provides flexibility for corporate deployments. Free standard shipping on orders over $99 and convenient fulfillment from Danville, CA and Beaufort, SC locations ensure rapid delivery to your facility.