The JBX88197 ST/ST duplex singlemode fiber patch cable represents an ideal solution for telecommunications professionals and network administrators seeking reliable, high-performance connectivity. This meticulously engineered 5-meter cable features a duplex configuration with dual singlemode fibers, each with a 9/125 micrometer core diameter, optimized for long-distance signal transmission with minimal attenuation. Key Performance Specifications: This cable delivers exceptional optical performance with insertion loss of ≤0.35dB at standard wavelengths (0.15dB typical), ensuring signal integrity over extended distances. Return loss exceeds 20dB, meeting stringent industry standards for high-quality installations. Attenuation rates of 0.25 dB/km at 1310nm and 0.35 dB/km at 1550nm make this cable suitable for dual-wavelength applications common in modern fiber networks. Construction & Durability: Manufactured with G.657.A1 glass fiber and housed in a durable 1.8mm diameter plastic jacket, the cable features riser-rated (OFNR) jacketing for safe installation in plenum and riser spaces. The yellow jacket provides clear visual identification in complex cable management scenarios. TAA compliance ensures this product meets federal procurement requirements. Applications & Use Cases: Ideal for data center interconnects, carrier networks, enterprise LAN backbones, and telecommunications infrastructure. The Type A to B crossover duplex configuration supports standard networking requirements. Available in custom lengths for flexible deployment scenarios. Quality Assurance: All cables undergo attenuation testing per ANSI/TIA/EIA-455-171-A-2001 standards, ensuring consistent quality. Backed by a 90-day limited warranty and supported by multiple U.S. distribution centers for rapid delivery. RoHS/ELV compliant and manufactured to exacting standards in Taiwan, US, or China. With free standard shipping on orders exceeding $99, this professional-grade patch cable offers exceptional value for mission-critical fiber installations.