The JBX42976 LC/UPC singlemode fiber patch cable represents a premium solution for telecommunications professionals, data center operators, and network integrators requiring reliable, high-performance fiber connectivity. This 4-meter simplex cable is purpose-built to meet the exacting demands of modern network infrastructure while maintaining strict compliance with government and industry procurement standards. Technical Excellence and Performance Constructed with a 9/125 singlemode core and G.657.A1 grade glass fiber, this cable delivers superior optical performance. The insertion loss specification of ≤0.35dB (with typical performance of 0.15dB) ensures minimal signal degradation, while the return loss of ≥20dB prevents reflective noise that can degrade network quality. These measurements are independently verified according to ANSI/TIA/EIA-455-171-A standards, providing assurance of consistent, repeatable performance. Design and Durability The 1.8mm outside diameter LC/UPC connectors provide a compact, high-density solution ideal for crowded network equipment racks and patch panels. The cable's OFNR riser-rated jacketing makes it suitable for installation in plenum spaces and vertical runs throughout buildings. The straight-through polarity ensures straightforward, error-free installations. Compliance and Certification As a TAA-compliant product, this cable meets Buy American provisions required for government and many enterprise contracts. RoHS/ELV certification demonstrates environmental responsibility and compliance with European and global regulations. Manufacturing in Taiwan, the United States, and China provides supply chain flexibility and availability. Applications and Benefits Ideally suited for telecommunications networks, data centers, campus networks, and fiber-to-the-desktop installations, this patch cable provides the reliability demanded in mission-critical environments. The yellow color aids in network organization and troubleshooting. Custom length availability allows flexibility for non-standard installation requirements. Value and Support Backed by a 90-day limited warranty and supported by free standard shipping on orders exceeding $99, this cable offers excellent value for quality-conscious network professionals. The compact packaging (10x10x10 case dimensions) facilitates efficient storage and inventory management.