The JBX43508 85m ST/APC to ST/UPC Simplex 9/125 Singlemode Fiber Patch Cable represents premium connectivity solutions for telecommunications professionals, data center managers, and network engineers requiring reliable fiber optic infrastructure. **Technical Specifications & Performance:** This singlemode fiber cable features a robust 9/125 micron core with G.657.A1 glass fiber composition, engineered for superior signal integrity over extended distances. The cable achieves exceptional performance metrics with insertion loss of ≤0.35dB (0.15dB typical) and return loss of ≥20dB, tested in accordance with ANSI/TIA/EIA-455-171-A standards. Supporting both 1310nm and 1550nm wavelengths, attenuation is optimized at 0.25 dB/km (1310nm) and 0.35 dB/km (1550nm). **Design & Construction:** The mixed-connector configuration (ST/APC to ST/UPC) provides flexibility for diverse network installations and legacy system integrations. The yellow OFNR riser-rated jacket ensures compliance with fire safety codes while offering environmental protection. At 1.8mm outer diameter, the cable integrates seamlessly with standard infrastructure conduit and cable management systems. **Compliance & Standards:** Fully TAA compliant for government and enterprise procurement requirements, this cable meets EU RoHS/ELV Directive 2002/95/EC standards. Manufacturing across Taiwan, US, and China facilities ensures consistent quality and availability. **Ideal Applications:** Perfect for telecommunications networks, campus area networks (CANs), data center interconnects, and long-distance signal transmission. The simplex straight-through polarity configuration supports directional fiber optic communications. **Customer Support:** Backed by a 90-day limited warranty and available in custom lengths upon request. Manufactured to exacting quality standards and tested for attenuation performance. Ships free on orders exceeding $99 from multiple distribution centers for expedited delivery. **Why Choose This Cable:** When reliability matters, professional-grade components make the difference. This TAA-compliant singlemode cable combines proven ST connector technology with advanced G.657.A1 fiber specifications, delivering the performance and longevity expected in mission-critical network environments.