The JBX05638 100GBASE-CR4 QSFP28 to 4x SFP28 Direct Attach Copper Breakout Cable represents an economical and efficient solution for high-speed data center interconnections. As a direct compatible replacement for Juniper's JNP-100G-4X25G-1M, this 1-meter passive breakout DAC delivers the same performance specifications while offering cost savings and procurement flexibility. Technical Specifications & Performance: This breakout cable features a robust 30AWG twinax copper construction that provides exceptional signal integrity for 100GB transmission rates. The passive design eliminates the need for active amplification, reducing power consumption and heat generation—critical factors in densely populated data centers. The cable maintains full compliance with IEEE 802.3bj specifications and QSFP28 MSA standards, ensuring compatibility with a wide range of network equipment. Design & Construction: Measuring just 12x12x2 inches, the compact form factor enables flexible routing through cable management systems and tight equipment spacing. The copper connectors deliver superior electrical performance, while the plastic jacketing provides durability and protection against environmental contaminants. Manufactured in Vietnam and China with rigorous quality control, each cable undergoes comprehensive testing. Compliance & Safety: RoHS and ELV directive compliance ensures the cable meets international environmental standards. TUV and UL certifications validate safety performance for commercial and enterprise deployments. The cable operates reliably across a 0-70°C temperature range, accommodating various data center cooling environments. Application & Use Cases: Ideal for Juniper infrastructure deployments, this breakout DAC suits high-bandwidth applications including cloud computing, big data analytics, and virtual machine migrations. The 1m length accommodates top-of-rack switching architectures and modular networking configurations. Warranty & Support: Backed by a 90-day limited warranty, this product ships free from Danville, CA or Beaufort, SC on orders exceeding $99. Custom brand programming is available for organizations requiring OEM-specific packaging or identification.