The JBX05257 7-meter 40GBASE-CR4 QSFP+ Passive Direct Attach Copper Cable represents a cost-effective and efficient solution for high-speed data center networking. Specifically designed for compatibility with Juniper networking equipment, this passive DAC cable eliminates the need for expensive active transceiver modules while delivering robust 40GB Ethernet connectivity. Key Features and Specifications: This 7-meter twinax cable utilizes premium 26AWG copper conductors with professional-grade plastic jacketing to ensure optimal signal transmission and physical durability. The QSFP+ connectors on both ends provide direct attachment to compatible network ports, enabling plug-and-play installation without additional configuration. The cable's passive design significantly reduces power consumption compared to active alternatives, making it an environmentally responsible choice for large-scale deployments. Standards Compliance and Certification: The JBX05257 is fully qualified to IEEE 802.3ba and IEEE SFF-8436 specifications, guaranteeing compatibility and reliable performance. It meets RoHS and EU directive 2002/95/EC environmental standards, ensuring safe handling and responsible manufacturing practices. Additional safety certifications include TUV and UL compliance, providing assurance of product quality and safety. Performance and Applications: With a 40GB data rate capability, this DAC cable is ideal for interconnecting switches, servers, and storage systems in modern data centers. The 7-meter length accommodates typical rack-to-rack distances without requiring additional equipment. The operating temperature range of 0-70°C supports deployment in standard climate-controlled data center environments. Compatibility and OEM Replacement: This cable is engineered to replace Juniper OEM part numbers EX-QSFP-40GE-DAC-7M, QFX-QSFP-DAC-7M, and JNP-QSFP-DAC-7M, providing a cost-effective alternative to original equipment. Custom brand programming is available for volume orders, allowing integration into existing inventory systems. Shipping and Warranty: Qualifying orders over $99 include free standard shipping from our facilities in Danville, CA or Beaufort, SC. Each cable includes a 90-day limited warranty, protecting your investment and ensuring satisfaction with your purchase.