The JBX06497 3-meter 25GBASE-CR SFP28 passive direct attach copper cable represents a critical infrastructure component for modern data center networking. Engineered specifically for Extreme Networks environments, this high-performance twinax cable delivers exceptional reliability and speed for demanding enterprise applications. **Technical Specifications and Performance** This cable features precision-engineered 30AWG twinax copper construction that maintains signal integrity across its full 3-meter length. Qualified to IEEE 802.3by standards and SFF-8402/SFF-8472 specifications, it guarantees compatibility with next-generation 25GB network environments. The passive direct attach design eliminates the need for active components, reducing power consumption and heat generation—critical advantages in densely populated server racks. **Superior Design and Construction** Manufactured with high-grade copper connectors and protective plastic jacketing, this cable combines durability with optimal electrical performance. The compact SFP28 form factor allows seamless integration into existing infrastructure without requiring adapter modules. Dimensions of 12x12x3 inches ensure efficient cable management in crowded network environments. **Compliance and Certification** Fully compliant with EU Directive 2002/95/EC (RoHS) and ELV standards, this cable meets rigorous safety requirements including TUV and UL certification. These certifications guarantee safe operation in enterprise environments where compliance is non-negotiable. **Broad Compatibility** Direct replacement for Extreme Networks OEM part numbers 25G-DACP-SFP3M, 10521, and 25G-SFP28-TWX-P-0301. Ideal for data center migrations, network upgrades, and infrastructure expansion requiring proven interoperability. **Environmental Reliability** Operating temperature range of 0-70°C ensures consistent performance across diverse environmental conditions. Whether in climate-controlled data centers or variable facility conditions, this cable maintains optimal performance. **Warranty and Support** Backed by a comprehensive 90-day limited warranty, providing peace of mind for critical infrastructure investments. Available from multiple fulfillment locations (Danville, CA and Beaufort, SC) with free standard shipping on orders exceeding $99. Custom brand programming available for organizations requiring standardized cable identification and inventory management.