The JBX05686 4m 100GBASE-CR4 QSFP28 Passive Direct Attach Copper Cable represents enterprise-grade networking connectivity for demanding applications. This Juniper-compatible solution delivers exceptional performance and reliability for modern high-speed data center infrastructure. Product Overview: This 4-meter passive DAC cable is engineered to transmit 100GB Ethernet signals between Juniper network equipment with zero power consumption and minimal signal degradation. The twinax copper construction with 26AWG gauge ensures optimal electrical properties and superior signal fidelity across the full 4-meter span. Technical Specifications: • Cable Type: Passive Direct Attach Copper (DAC) • Length: 4 meters • Gauge: 26AWG • Connector Type: QSFP28 to QSFP28 (male) • Data Rate: 100GB (100GBASE-CR4) • IEEE Standards: IEEE 802.3bj, QSFP28 MSA, SFF-8665 • Compliance: RoHS/ELV (EU Directive 2002/95/EC), TUV, UL • Operating Temperature: 0-70°C (32-158°F) • Dimensions: 12x12x4 mm Key Advantages: Passive Technology: Unlike active cables, this passive DAC eliminates power supply requirements, reducing complexity and operational costs while maintaining reliability. Juniper Compatibility: Direct replacement for Juniper QFX-QSFP28-DAC-4M and JNP-100G-DAC-4M, ensuring plug-and-play deployment. Cost-Effective: Passive DAC cables offer substantial savings compared to active solutions without sacrificing performance. Low Latency: Direct copper connectivity minimizes latency, critical for time-sensitive applications. Applications: • Data center switch interconnects • Enterprise network infrastructure • High-performance computing clusters • Colocation facility backbone connectivity • Server-to-switch connections • Storage area networks (SANs) Compliance & Certification: All components meet strict industry standards including IEEE 802.3bj specifications for 100GBASE-CR4 applications. RoHS and TUV certifications ensure environmental responsibility and safety standards. Manufactured in Vietnam and China with rigorous quality control. Warranty & Support: 90-day limited warranty provides peace of mind. Free standard shipping on orders exceeding $99. Ships from Danville, CA or Beaufort, SC locations for rapid deployment. Cable Management: The 4-meter length accommodates mid-range equipment spacing while maintaining signal integrity. Durable plastic jacketing protects against physical damage in rack environments. Compatible with standard cable management systems.