The JBX42558 35-meter ST/APC to FC/UPC duplex singlemode fiber patch cable represents a professional-grade solution for telecommunications, data center, and enterprise network installations requiring reliable, high-performance optical connectivity. This cable bridges ST/APC connectors on one end to FC/UPC connectors on the other, providing versatile compatibility with diverse network infrastructure. Key Performance Specifications: Built with 9/125 singlemode fiber and G.657.A1 glass fiber technology, this cable delivers superior optical performance. Insertion loss measurements of ≤0.35dB (0.15dB typical) and return loss ≥20dB exceed industry standards, ensuring minimal signal degradation across the 35-meter span. Attenuation rates of 0.25 dB/km at 1310 nm and 0.35 dB/km at 1550 nm accommodate both traditional and modern optical transmission windows. Robust Construction & Compliance: The 1.8mm outside diameter cable features OFNR riser-rated jacketing, suitable for installation in building risers and plenum spaces. Manufacturing in Taiwan, the US, and China with RoHS/ELV compliance ensures environmental responsibility and regulatory adherence. TAA compliance makes this cable eligible for government and institutional procurement programs. Practical Applications: Ideal for backbone connections in data centers, telecommunications facilities, and enterprise networks. The duplex configuration with Type A to B crossover polarity supports standard patch cord applications in optical distribution frames and network switch connections. Durable & Convenient: The bright yellow jacket aids cable identification in high-density installations, reducing installation errors and maintenance time. Custom length availability accommodates non-standard installations, while the compact 10x10x10 packaging ensures safe shipping. Free standard shipping on orders exceeding $99, with fulfillment from strategically located US warehouses in California, Texas, and South Carolina. Supported by a 90-day limited warranty, this TAA-compliant cable provides dependable performance and peace of mind for mission-critical optical network deployments.