The JBX05686 100GBASE-CR4 QSFP28 Passive DAC Cable represents an essential component for modern high-speed data center infrastructure. Engineered specifically for Juniper compatibility, this 4-meter passive direct attach copper cable delivers ultra-reliable 100GB Ethernet connectivity without the power consumption and complexity associated with active systems. Key Technical Features: This cable adheres to IEEE 802.3bj and QSFP28 MSA specifications, ensuring seamless integration with Juniper QFX-QSFP28-DAC-4M and JNP-100G-DAC-4M systems. The 26AWG twinax copper construction provides excellent signal integrity over the 4-meter span, making it ideal for intra-rack and adjacent-rack connectivity in densely populated data center environments. Quality & Compliance: Manufactured in Vietnam and China using premium materials, the cable features copper connectors with plastic jacketing for durability and longevity. It achieves full RoHS (Directive 2002/95/EC) and ELV compliance, along with TUV and UL safety certifications, ensuring environmental responsibility and workplace safety standards. Performance Specifications: Operating temperature range of 0-70°C (32-158°F) accommodates various deployment scenarios. The passive design eliminates the need for power supply connections, reducing cable clutter and operational costs while maintaining reliability. Ideal Applications: Perfect for Juniper switching fabric upgrades, QFX series interconnections, and 100GB network deployments in financial institutions, cloud providers, and enterprise data centers seeking cost-effective, power-efficient solutions. Warranty & Support: Backed by a 90-day limited warranty and available for custom brand programming, ensuring compatibility with your specific deployment requirements.