The JBX42991 50m LC/UPC Simplex Singlemode Fiber Patch Cable is a professional-grade solution for organizations requiring reliable, high-performance fiber optic connectivity. This cable is specifically engineered to meet the demanding requirements of modern data center and telecommunications applications. **Technical Specifications:** This simplex fiber cable features a 9/125 singlemode core constructed with G.657.A1 glass fiber, providing superior performance characteristics. The cable achieves exceptional attenuation rates of 0.25 dB/km at 1310 nm and 0.35 dB/km at 1550 nm, with typical insertion loss of just 0.15dB and maximum insertion loss of ≤0.35dB. Return loss exceeds 20dB, ensuring signal integrity across your network infrastructure. **Design & Construction:** The bright yellow riser-rated (OFNR) jacket provides multiple benefits: excellent visibility for cable management and troubleshooting, fire-safe construction meeting building codes, and reliable protection against environmental factors. The compact 1.8mm outside diameter allows for flexible installation in congested cable trays, conduits, and wall runs without requiring dedicated pathways. **Compliance & Standards:** This cable is TAA compliant and fully tested in accordance with ANSI/TIA/EIA-455-171-A-2001 standards. It meets RoHS/ELV directives (EU Directive 2002/95/EC), making it suitable for environmentally conscious organizations and regulated industries. All connections utilize LC/UPC connectors with straight-through polarity for standard, reliable connections. **Applications:** Ideal for telecommunications facilities, data centers, enterprise LANs, campus networks, and any application requiring singlemode fiber connectivity over 50-meter distances. The TAA compliance makes it particularly valuable for government contracts and regulated environments. **Availability & Support:** Available in custom lengths to suit specific installation requirements. Ships from multiple US locations for faster delivery. Backed by a 90-day limited warranty and free standard shipping on orders over $99, making this an excellent value for professional network installations.