The JBX42588 35-meter ST/APC to FC/APC duplex singlemode fiber patch cable represents enterprise-grade connectivity for demanding network environments. Designed to exceed industry standards, this cable combines precision engineering with proven reliability. **Technical Excellence:** Features a 9/125 micron singlemode core with superior G.657.A1 grade glass fiber, optimized for long-distance signal transmission. Tested attenuation rates of 0.25 dB/km at 1310 nm and 0.35 dB/km at 1550 nm ensure minimal signal degradation. Insertion loss specifications of ≤0.35dB (0.15dB typical) and return loss ≥20dB guarantee clean, reliable connections. **Compliance & Certification:** TAA compliant for government and public sector projects. RoHS/ELV certified per EU directive 2002/95/EC, meeting environmental safety requirements. OFNR riser-rated jacketing permits installation in plenum spaces and building risers without conduit. **Design Features:** The distinctive yellow jacket provides easy identification in complex installations. Type A to B crossover polarity configuration follows industry standards for duplex patch cord applications. Durable 1.8mm outside diameter plastic jacket protects glass fiber while maintaining flexibility for tight routing. **Applications:** Ideal for telecommunications infrastructure, data center interconnects, fiber-to-the-premises (FTTP) installations, and enterprise network backbone connections requiring singlemode precision. **Flexibility:** Available in custom lengths beyond the standard 35m offering, allowing tailored solutions for specific deployment requirements. Ships from multiple U.S. locations with free standard shipping on orders exceeding $99. 90-day limited warranty provides confidence in your purchase.