The JBX05993 1.5m 200GBASE-CR4 QSFP56 Direct Attach Copper Cable represents a cost-effective solution for modern high-speed data center networking infrastructure. Engineered as a direct replacement for HPE part number R5Z78A-1.5M (also P06149-B23), this cable delivers enterprise-grade performance at competitive pricing. **Technical Specifications:** This passive Direct Attach Copper (DAC) cable features 30AWG twinax copper construction with plastic jacketing, providing optimal signal quality across 200GB connections. The QSFP56 connectors on both ends comply with the QSFP56 Multi-Source Agreement (MSA) and CMIS standards, ensuring universal compatibility with HPE equipment and other standards-compliant networking devices. **Performance & Reliability:** Qualified to IEEE 802.3cd specifications, this cable delivers consistent 200GBASE-CR4 performance without the power consumption overhead of active cables. The passive design eliminates the need for external power supplies, reducing complexity in dense server environments. Operating temperature range of 0°C to 70°C accommodates most data center cooling configurations. **Regulatory Compliance:** Fully RoHS and ELV compliant (EU directive 2002/95/EC), with TUL and UL safety certifications. These designations ensure the cable meets international standards for hazardous substance restrictions and electrical safety—critical requirements for enterprise deployments. **Applications:** Perfect for interconnecting high-performance switches, servers, and storage arrays in hyperscale data centers, cloud infrastructure, and enterprise environments. The 1.5-meter length accommodates typical rack-to-rack distances without excessive coiling or strain. **Warranty & Support:** 90-day limited warranty provides peace of mind for critical deployments. Custom brand programming available for OEM and enterprise customers requiring private-label solutions. **Shipping & Availability:** Enjoy free standard shipping on orders exceeding $99 from conveniently located warehouses in Danville, CA and Beaufort, SC. Manufactured in Vietnam and China using quality-controlled processes.