The JBX05395 1-meter 40GBASE-CR4 QSFP+ Passive Direct Attach Copper Cable represents an essential connectivity solution for modern data centers and high-performance network infrastructures. Specifically designed for Juniper compatibility, this cable meets the demanding requirements of contemporary enterprise networking while offering exceptional reliability and performance. **Technical Specifications and Design:** Built with precision-engineered 30AWG twinax copper conductors, the JBX05395 delivers superior signal integrity for 40GB Ethernet applications. The cable features QSFP+ to QSFP+ connectors that provide secure, tool-less connectivity. Its passive design eliminates the need for external power sources, reducing operational complexity and potential points of failure. The protective plastic jacketing provides durability against environmental factors while maintaining flexibility for installation in confined spaces. **Performance and Compliance:** This cable is qualified to IEEE 802.3ba specifications and supports the full 40GBASE-CR4 standard, ensuring compatibility with next-generation networking equipment. RoHS and ELV compliance certifications confirm adherence to international environmental and safety standards, with additional TUV and UL certifications validating its reliability. Operating temperature range of 0-70°C ensures consistent performance across diverse deployment scenarios. **Ideal Applications:** The 1-meter length makes this cable perfect for switch-to-server connections, switch-to-storage deployments, and short-reach interconnects within data center cabinets. Its compact form factor enables high-density installations without cable management complications, making it invaluable for organizations optimizing space and airflow in equipment racks. **OEM Compatibility and Replacement:** This cable directly replaces Juniper OEM part numbers EX-QSFP-40GE-DAC-1M, JNP-QSFP-DAC-1M, and QFX-QSFP-DAC-1M, offering substantial cost savings compared to original equipment manufacturer pricing without compromising quality or performance. **Warranty and Support:** Backed by a 90-day limited warranty and available with custom brand programming options, the JBX05395 provides flexibility and peace of mind. Free standard shipping on orders exceeding $99, with convenient fulfillment from either Danville, CA or Beaufort, SC locations, ensures quick deployment of your networking infrastructure investments.