The JBX93084 represents professional-grade fiber optic connectivity designed for demanding telecommunications and networking environments. This 65-meter LC/ST duplex singlemode patch cable delivers exceptional performance specifications that exceed industry standards for signal transmission and reliability. **Technical Excellence:** Constructed with 9/125 G.657.A1 singlemode fiber, this cable maintains superior signal quality over extended distances. The measured insertion loss of ≤0.35dB (typical 0.15dB) and return loss of ≥20dB ensures minimal signal degradation. Attenuation specifications of 0.25dB/km at 1310nm or 0.35dB/km at 1550nm guarantee dependable performance across standard telecommunications wavelengths. **Connector Compatibility:** The LC/UPC to ST/UPC connector configuration with Type A to B crossover polarity enables seamless integration with existing duplex patch cord systems. These industry-standard connectors provide reliable mating cycles and consistent performance in professional installations. **Compliance & Safety:** TAA compliance ensures eligibility for government and public sector procurement. RoHS/ELV compliance meets environmental standards. The OFNR riser rating allows safe installation in building spaces where flame spread characteristics matter. All manufacturing and testing adheres to ANSI/TIA/EIA-455-171-A-2001 standards. **Applications:** Ideal for data center interconnects, telecommunications facilities, long-distance enterprise networks, and any installation requiring singlemode fiber's superior distance and bandwidth capabilities. The 65-meter length accommodates substantial facility distances while the duplex configuration supports bidirectional communication. **Convenience & Support:** Available in custom lengths for specialized installations. Backed by 90-day limited warranty. Free standard shipping on orders exceeding $99, with shipments from multiple U.S. locations ensuring quick delivery. The 1.8mm diameter jacketing provides practical handling and installation flexibility.