The JBX88325 20m ST/ST Duplex Singlemode Fiber Patch Cable represents professional-grade connectivity solutions for enterprise network infrastructure. Engineered to exacting telecommunications standards, this cable delivers exceptional optical performance crucial for data center, telecommunications, and high-speed networking applications. Key Technical Specifications: This singlemode cable features a 9/125 micrometer core with G.657.A1 glass fiber composition, optimized for long-distance signal transmission with minimal attenuation. With insertion loss of merely ≤0.35dB (0.15dB typical) and return loss exceeding 20dB, it meets stringent performance requirements for demanding applications. The cable maintains 0.25 dB/km attenuation at 1310nm and 0.35 dB/km at 1550nm wavelengths, ensuring consistent performance across standard telecommunications windows. Construction and Durability: Features OFNR riser-rated jacketing, enabling safe installation throughout building infrastructures including plenum spaces. The 1.8mm outer diameter provides optimal flexibility for routing through cable trays and conduits. Type A to B crossover polarity configuration represents the industry standard for duplex patch cord applications, ensuring seamless integration with existing infrastructure. Compliance and Certification: Fully TAA compliant for government and federal purchasing requirements. Manufactured with RoHS/ELV compliance per EU Directive 2002/95/EC. Performance tested per ANSI/TIA/EIA-455-171-A-2001 standards, guaranteeing reliability and consistency. Applications: Ideal for fiber-to-the-premises (FTTP) installations, data center interconnects, telecommunications networks, and laboratory environments requiring pristine signal integrity. Suitable for both multimode and singlemode backbone connections. Warranty and Support: Included 90-day limited warranty protects your investment. Custom lengths available upon request to suit specific installation requirements. Free standard shipping on orders exceeding $99, with convenient fulfillment from multiple U.S. locations ensuring rapid delivery.