The JBX90191 9m SC/ST Duplex Singlemode Fiber Patch Cable represents a premium solution for telecommunications professionals and network administrators requiring reliable, high-performance fiber optic connectivity. **Technical Excellence** This duplex patch cable features a 9/125 micron singlemode core constructed from G.657.A1 grade glass fiber, specifically optimized for long-distance signal transmission with minimal signal degradation. The cable achieves exceptional performance metrics: insertion loss of ≤0.35dB (0.15dB typical) at both 1310nm and 1550nm wavelengths, with return loss ≥20dB. These specifications exceed industry standards and ensure maximum signal integrity for critical network applications. **Professional Design & Compliance** The pink duplex configuration includes SC/UPC and ST/UPC connectors with Type A to B crossover polarity—the industry standard for duplex patch cord applications. The OFNR (Riser Rated) jacketing ensures safe installation in vertical runs between floors. TAA compliance makes this cable ideal for government and enterprise procurement requirements. The 1.8mm outer diameter provides flexibility for cable routing while maintaining durability. **Versatile Applications** Ideal for telecommunications hubs, network switch connections, fiber optic backbone installations, and structured cabling systems. The 9-meter length accommodates mid-range connectivity needs, while custom lengths are available for specific requirements. Manufactured in Taiwan, the United States, and China, this cable maintains consistent quality across multiple production facilities. **Quality Assurance** Every cable is attenuation-tested in accordance with ANSI/TIA/EIA-455-171-A standards, ensuring reliable performance. The 90-day limited warranty provides peace of mind for professional installations. Ships promptly from multiple U.S. locations with free standard shipping on qualifying orders. The plastic duplex jacket includes protective color coding for easy identification in complex network environments.