The JBX67979 40-meter LC/LC OM4 duplex multimode fiber patch cable represents the ideal solution for modern high-speed network infrastructures requiring 100GB transmission capabilities. This professional-grade optical cable combines cutting-edge fiber technology with practical design features to deliver superior performance in demanding applications. **Technical Excellence** Built with OM4 50/125 multimode fiber core, this cable supports high-bandwidth data transmission across extended distances with minimal signal loss. The bend-insensitive fiber technology enables installation flexibility, allowing the cable to navigate tight spaces and sharp bends without compromising performance. With attenuation rates of 3.5 dB/km at 850nm or 1.0 dB/km at 1300nm, this cable exceeds industry standards and supports multiple wavelength applications. **Performance Specifications** The cable achieves exceptional signal integrity with insertion loss rated at ≤0.35dB (typical 0.15dB) and return loss exceeding 20dB. These specifications ensure minimal signal degradation and optimal data transmission quality. All measurements comply with ANSI/TIA/EIA-455-171-A standards, guaranteeing reliable third-party validation of performance. **Installation & Compatibility** Featuring LC/UPC connectors in Type A to B crossover configuration, this duplex patch cable integrates effortlessly with standard network equipment. The 1.8mm outer diameter ensures compatibility with standard cable management systems, while the Riser-rated (OFNR) jacketing permits installation in both horizontal and vertical pathways within building infrastructures. **Compliance & Quality Assurance** TAA-compliant and RoHS/ELV certified, this cable meets government procurement requirements and environmental standards. Each unit includes a 90-day limited warranty and comes packaged for safe transport. Available in custom lengths for specialized applications, the cable ships from multiple US locations with free standard shipping on orders exceeding $99. **Ideal Applications** Perfect for data centers, enterprise networks, server room installations, and high-performance computing environments where reliable 100GB fiber connectivity is essential. The 40-meter length accommodates medium-distance interconnections between network equipment, switches, and patch panels. **Why Choose This Cable** Combining performance, compliance, and practical design, the JBX67979 delivers professional-grade reliability at competitive pricing. Whether upgrading existing infrastructure or building new networks, this cable provides the foundation for dependable high-speed connectivity.