The JBX05803 3-meter 100GBASE-CR4 QSFP28 Passive Direct Attach Copper Cable represents a premium networking solution for Juniper-based data center environments. This cable is engineered to replace OEM part numbers QFX-QSFP28-DAC-3M and JNP-100G-DAC-3M, ensuring seamless compatibility with existing Juniper infrastructure. **Technical Specifications:** Designed to IEEE 802.3bj and QSFP28 MSA standards, this 28AWG twinax cable delivers consistent 100GB performance across 3 meters. The copper connectors provide excellent signal integrity with minimal attenuation, while the durable plastic jacketing protects against physical damage in demanding data center environments. Operating temperature range of 0-70°C (32-158°F) ensures reliable performance in various deployment scenarios. **Key Features & Benefits:** - Passive DAC technology eliminates power consumption overhead - Direct copper-to-copper connection for reduced latency - Compact form factor enables flexible cable management - Full RoHS and TUV compliance meets international standards - Cost-effective alternative to active cables and fiber optics **Use Cases & Applications:** Perfect for high-speed server interconnections, storage area networks (SANs), and 100GB backbone connections in data centers. The passive design makes it ideal for cost-sensitive deployments where power efficiency is critical. Suitable for equipment refresh cycles and network expansions in enterprise environments. **Shipping & Support:** Ships from multiple US locations (Danville, CA and Beaufort, SC) with free standard shipping on orders exceeding $99. Backed by a 90-day limited warranty. Custom brand programming available for OEM customers. Whether upgrading legacy infrastructure or building new deployments, this Juniper-compatible DAC cable delivers enterprise-grade reliability and performance.