The JBX42471 FC/APC to FC/APC 60-meter duplex singlemode fiber patch cable represents a professional-grade solution for critical network infrastructure applications. This cable is specifically engineered to meet the rigorous demands of modern telecommunications and data center environments where signal quality and reliability are paramount. **Technical Excellence**: Built with a 9/125 singlemode core and G.657.A1 glass fiber, this cable delivers superior performance characteristics. The measured insertion loss of ≤0.35dB (0.15dB typical) and return loss of ≥20dB ensure minimal signal degradation even over the full 60-meter span. Attenuation ratings of 0.25 dB/km at 1310 nm or 0.35 dB/km at 1550 nm meet or exceed industry standards for singlemode fiber applications. **Construction & Durability**: The duplex configuration (Type A to B crossover polarity) enables simultaneous bidirectional communication. The 1.8mm outer diameter combined with OFNR riser rating provides both installation flexibility and building code compliance. The bright yellow jacket facilitates easy identification in multi-cable environments and aids in network troubleshooting. **Compliance & Standards**: This cable is TAA (Trade Agreements Act) compliant and manufactured in accordance with ANSI/TIA/EIA-455-171-A standards. RoHS/ELV compliance ensures environmental responsibility without compromising performance. The cable is available in custom lengths for specialized applications. **Applications**: Perfect for telecommunications facilities, enterprise data centers, research institutions, and high-performance computing environments. The 60-meter length suits backbone runs and inter-floor connections in large facilities. FC/APC connectors are particularly valued in telecommunications for their superior return loss characteristics. **Warranty & Support**: Backed by a 90-day limited warranty. Available for immediate shipment from multiple US locations (Danville CA, Fort Worth TX, Beaufort SC) with free standard shipping on orders over $99. The cable ships in protective packaging (10x10x10 case) to ensure damage-free delivery.