The JBX03526 is a premium-grade 3-meter 40GBASE-SR4 QSFP+ active optical cable engineered to deliver exceptional performance and reliability in demanding enterprise and data center environments. This cable serves as a direct, plug-and-play replacement for Extreme Networks equipment requiring high-speed optical connectivity with flexible port configurations. **Key Technical Features:** This breakout active optical cable features a robust 1:4 configuration, converting a single QSFP+ interface into four independent SFP+ connections. With 8 fiber strands and OM3 50/125 multimode fiber core, the cable achieves 40GB aggregate bandwidth while maintaining signal integrity across its 3-meter span. The architecture enables seamless integration into mixed-speed network topologies, supporting both legacy and modern infrastructure requirements. **Premium Construction & Compliance:** Manufactured with LSZH (Low Smoke Zero Halogen) jacketing rated for riser applications (OFNR), this cable prioritizes safety in enclosed spaces. The cable achieves full RoHS/ELV compliance and carries multiple certifications including Class 1 Laser designation, TUV approval, and UL/FDA compliance per 21CFR 1040.10. These certifications ensure safe handling and reliable performance in regulated environments. **Ideal Applications:** Perfect for data centers, enterprise networks, and telecommunications facilities requiring high-density fiber connectivity. The 3-meter length suits standard rack-to-row deployments, while the breakout configuration maximizes port availability without requiring additional hardware. **Reliability & Support:** Rated for continuous operation between 0-70°C (32-158°F), this cable handles diverse environmental conditions. Each unit includes a 90-day limited warranty and qualifies for free standard shipping on orders exceeding $99. Ships from strategically located distribution centers in Danville, CA and Beaufort, SC, ensuring rapid delivery nationwide. **Compatibility:** Designed specifically for Extreme Networks systems as a direct replacement for OEM part number 10GB-4-F03-QSFP, eliminating compatibility concerns and simplifying procurement processes.