The JBX05536 100GBASE-CR4 QSFP28 Direct Attach Copper Cable represents a cost-effective, high-performance solution for demanding networking environments requiring reliable 100GB connectivity. This 2.5-meter breakout DAC cable is engineered as a direct replacement for Juniper's JNP-100G-2X50G-2P5M model, providing identical performance characteristics at competitive pricing. **Technical Specifications & Performance** This passive breakout cable delivers 100GBASE-CR4 performance across its full 2.5-meter length, utilizing premium 28AWG copper twinax construction for optimal signal integrity. The dual QSFP28 connectors conform to industry-standard MSA specifications and IEEE 802.3bj qualifications, ensuring compatibility with all certified Juniper switches and compatible networking equipment. Operating across a wide temperature range (0-70°C/32-158°F), the cable maintains consistent performance in diverse data center environments. **Superior Design & Compliance** The JBX05536 incorporates robust plastic jacketing around its copper conductors, providing mechanical protection while maintaining flexibility for installation in confined spaces. Full RoHS/ELV compliance and EU directive 2002/95/EC certification ensure environmental responsibility and regulatory adherence. Safety certifications including TUV and UL validation provide additional confidence in reliability and safety standards. **Application Benefits** As a passive DAC solution, this cable eliminates the need for active transceivers, resulting in significantly reduced latency, power consumption, and operational costs. Ideal for data center interconnects, server-to-switch connectivity, and enterprise backbone configurations, the breakout design enables flexible 50GB dual-channel connectivity from 100GB infrastructure. Organizations benefit from simplified inventory management, reduced heat generation, and lower total cost of ownership compared to active alternatives. **Shipping & Support** Ships quickly from domestic facilities in Danville, CA and Beaufort, SC, with free standard shipping on orders exceeding $99. The 90-day limited warranty provides buyer protection, while custom brand programming services are available for enterprise customers seeking personalized solutions. Manufactured to stringent quality standards with sourcing from Vietnam and China, the JBX05536 represents an excellent choice for organizations standardizing on Juniper infrastructure while seeking reliable, cost-effective 100GB connectivity solutions.