The JBX86190 SC/ST Duplex Singlemode Fiber Patch Cable represents professional-grade connectivity for modern network infrastructure. This 8-meter duplex cable is specifically engineered for organizations requiring reliable, high-performance fiber optic connections in telecommunications, data centers, and enterprise networking environments. **Technical Excellence** Built with 9/125 singlemode fiber core and G.657.A1 specification glass, this cable delivers superior performance across critical wavelengths. Attenuation specifications of 0.25 dB/km at 1310 nm and 0.35 dB/km at 1550 nm ensure minimal signal loss over network spans. The insertion loss rating of ≤0.35dB (typical 0.15dB) and return loss of ≥20dB exceed industry standards, making this cable suitable for demanding applications requiring signal integrity. **Connector Configuration** The SC/UPC to ST/UPC connector combination provides Type A to B crossover polarity—the most common configuration for duplex patch cords. This ensures seamless integration with existing network infrastructure while maintaining compatibility with standard telecommunications installations. **Durability and Compliance** Features OFNR Riser-rated jacketing that meets safety and fire-rating requirements for in-building telecommunications cabling. The 1.8mm outside diameter provides optimal flexibility without compromising structural integrity. TAA compliance and RoHS/ELV certification make this cable suitable for government and regulated environments. **Practical Advantages** Backed by a 90-day limited warranty and tested in accordance with ANSI/TIA/EIA-455-171-A-2001 standards. Custom lengths are available for specific installation requirements. Free standard shipping on orders over $99, with convenient fulfillment from multiple U.S. distribution centers. **Applications** Ideal for connecting optical network equipment, telecommunications infrastructure upgrades, data center backbone connections, and enterprise LAN implementations. The singlemode fiber specification makes this particularly valuable for long-distance, high-bandwidth applications where multimode alternatives would introduce signal degradation. **Care and Maintenance** Handle connectors with care to maintain performance. Keep dust caps on unused connectors. Store in cool, dry conditions away from direct sunlight. Regular inspection ensures optimal performance throughout the cable's operational life.