The JBX88196 ST/ST Duplex Singlemode Fiber Patch Cable represents the ideal solution for telecommunications professionals and network administrators requiring reliable fiber optic connectivity. This 4-meter patch cable features precision-engineered 9/125 singlemode fiber construction, delivering superior performance for long-distance, high-bandwidth applications. Key Technical Specifications: The cable achieves industry-leading performance metrics with insertion loss of ≤0.35dB (0.15dB typical) and return loss ≥20dB. Operating across standard telecommunications wavelengths, it maintains attenuation of 0.25 dB/km at 1310 nm and 0.35 dB/km at 1550 nm. The G.657.A1 glass fiber core ensures compatibility with modern bend-insensitive applications while maintaining backward compatibility. Construction and Durability: Featuring a robust 1.8mm diameter with OFNR (Riser Rated) jacketing, this duplex cable meets fire safety standards for in-building applications. The Type A to B crossover polarity configuration is ideal for most duplex patch cord installations. TAA compliance ensures suitability for federal and government procurement requirements. Applications and Use Cases: Ideal for telecommunications networks, data center interconnects, carrier-grade installations, and enterprise network backbone applications. The precision-crafted ST/UPC connectors provide reliable, low-loss connections in mission-critical environments. Compliance and Standards: Manufactured to ANSI/TIA/EIA-455-171-A standards with RoHS and EU directive 2002/95/EC compliance. Ships from multiple US distribution centers with free standard shipping on orders exceeding $99. Customization Available: Require non-standard lengths? Custom configurations are available to meet your specific deployment requirements. Backed by a 90-day limited warranty for peace of mind.