The JBX05493 3m Ruckus Compatible 40GBASE-CR4 QSFP+ Active Direct Attach Copper Cable represents the industry standard for high-speed enterprise networking solutions. This sophisticated cable combines proven copper technology with active electronics to deliver consistent 40GB Ethernet performance across distances up to 3 meters, making it ideal for switch-to-switch or switch-to-server connections within data center architectures. Key Features & Specifications: Construction: Premium 30AWG twinax copper conductor with protective plastic jacketing ensures durability and signal integrity. Active DAC technology amplifies signals for reliable transmission without external power requirements. QSFP+ connectors provide secure, standardized connections compatible with modern switching infrastructure. Performance & Compliance: Fully qualified to IEEE 802.3ba specifications, this cable meets the stringent requirements of modern 40 Gigabit Ethernet deployments. RoHS and ELV compliance certifications ensure environmental responsibility and regulatory adherence. TUV and UL safety certifications provide additional assurance for institutional deployments. Operational Advantages: The cable operates reliably across the 0-70°C temperature range, accommodating both climate-controlled and moderately warm data center environments. Direct attachment to QSFP+ ports eliminates the need for transceivers, reducing complexity and cost. The 90-day limited warranty provides confidence in product quality and performance. Compatibility & Application: Specifically engineered for Ruckus networking equipment, this cable replaces OEM part number E40G-QSFP-QSFP-C-0301. Ideal applications include: - Data center core switch interconnections - Storage area network (SAN) connectivity - High-performance computing (HPC) environments - Campus network backbone links - Cloud infrastructure deployments Value Proposition: With free standard shipping on orders exceeding $99 and availability from multiple U.S. fulfillment locations (Danville, CA and Beaufort, SC), this cable combines premium performance with practical purchasing convenience. Custom brand programming options available for enterprise deployments requiring standardized identification.